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linux-stable/drivers/gpu/drm/i915/display/intel_sprite.c
Ville Syrjälä 90a764cda1 drm/i915: Add support for half float framebuffers on snb sprites 
snb supports fp16 pixel formats on the sprite planes. Expose that
capability. Nothing special needs to be done, it just works.

v2: Rebase on top of icl fp16
    Split snb+ sprite bits into a separate patch

Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191015193035.25982-11-ville.syrjala@linux.intel.com
2019-10-24 21:22:26 +03:00

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/*
* Copyright © 2011 Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* Authors:
* Jesse Barnes <jbarnes@virtuousgeek.org>
*
* New plane/sprite handling.
*
* The older chips had a separate interface for programming plane related
* registers; newer ones are much simpler and we can use the new DRM plane
* support.
*/
#include <drm/drm_atomic.h>
#include <drm/drm_atomic_helper.h>
#include <drm/drm_color_mgmt.h>
#include <drm/drm_crtc.h>
#include <drm/drm_fourcc.h>
#include <drm/drm_plane_helper.h>
#include <drm/drm_rect.h>
#include <drm/i915_drm.h>
#include "i915_drv.h"
#include "i915_trace.h"
#include "intel_atomic_plane.h"
#include "intel_display_types.h"
#include "intel_frontbuffer.h"
#include "intel_pm.h"
#include "intel_psr.h"
#include "intel_sprite.h"
int intel_usecs_to_scanlines(const struct drm_display_mode *adjusted_mode,
int usecs)
{
/* paranoia */
if (!adjusted_mode->crtc_htotal)
return 1;
return DIV_ROUND_UP(usecs * adjusted_mode->crtc_clock,
1000 * adjusted_mode->crtc_htotal);
}
/* FIXME: We should instead only take spinlocks once for the entire update
* instead of once per mmio. */
#if IS_ENABLED(CONFIG_PROVE_LOCKING)
#define VBLANK_EVASION_TIME_US 250
#else
#define VBLANK_EVASION_TIME_US 100
#endif
/**
* intel_pipe_update_start() - start update of a set of display registers
* @new_crtc_state: the new crtc state
*
* Mark the start of an update to pipe registers that should be updated
* atomically regarding vblank. If the next vblank will happens within
* the next 100 us, this function waits until the vblank passes.
*
* After a successful call to this function, interrupts will be disabled
* until a subsequent call to intel_pipe_update_end(). That is done to
* avoid random delays.
*/
void intel_pipe_update_start(const struct intel_crtc_state *new_crtc_state)
{
struct intel_crtc *crtc = to_intel_crtc(new_crtc_state->base.crtc);
struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
const struct drm_display_mode *adjusted_mode = &new_crtc_state->base.adjusted_mode;
long timeout = msecs_to_jiffies_timeout(1);
int scanline, min, max, vblank_start;
wait_queue_head_t *wq = drm_crtc_vblank_waitqueue(&crtc->base);
bool need_vlv_dsi_wa = (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) &&
intel_crtc_has_type(new_crtc_state, INTEL_OUTPUT_DSI);
DEFINE_WAIT(wait);
u32 psr_status;
vblank_start = adjusted_mode->crtc_vblank_start;
if (adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE)
vblank_start = DIV_ROUND_UP(vblank_start, 2);
/* FIXME needs to be calibrated sensibly */
min = vblank_start - intel_usecs_to_scanlines(adjusted_mode,
VBLANK_EVASION_TIME_US);
max = vblank_start - 1;
if (min <= 0 || max <= 0)
goto irq_disable;
if (WARN_ON(drm_crtc_vblank_get(&crtc->base)))
goto irq_disable;
/*
* Wait for psr to idle out after enabling the VBL interrupts
* VBL interrupts will start the PSR exit and prevent a PSR
* re-entry as well.
*/
if (intel_psr_wait_for_idle(new_crtc_state, &psr_status))
DRM_ERROR("PSR idle timed out 0x%x, atomic update may fail\n",
psr_status);
local_irq_disable();
crtc->debug.min_vbl = min;
crtc->debug.max_vbl = max;
trace_i915_pipe_update_start(crtc);
for (;;) {
/*
* prepare_to_wait() has a memory barrier, which guarantees
* other CPUs can see the task state update by the time we
* read the scanline.
*/
prepare_to_wait(wq, &wait, TASK_UNINTERRUPTIBLE);
scanline = intel_get_crtc_scanline(crtc);
if (scanline < min || scanline > max)
break;
if (!timeout) {
DRM_ERROR("Potential atomic update failure on pipe %c\n",
pipe_name(crtc->pipe));
break;
}
local_irq_enable();
timeout = schedule_timeout(timeout);
local_irq_disable();
}
finish_wait(wq, &wait);
drm_crtc_vblank_put(&crtc->base);
/*
* On VLV/CHV DSI the scanline counter would appear to
* increment approx. 1/3 of a scanline before start of vblank.
* The registers still get latched at start of vblank however.
* This means we must not write any registers on the first
* line of vblank (since not the whole line is actually in
* vblank). And unfortunately we can't use the interrupt to
* wait here since it will fire too soon. We could use the
* frame start interrupt instead since it will fire after the
* critical scanline, but that would require more changes
* in the interrupt code. So for now we'll just do the nasty
* thing and poll for the bad scanline to pass us by.
*
* FIXME figure out if BXT+ DSI suffers from this as well
*/
while (need_vlv_dsi_wa && scanline == vblank_start)
scanline = intel_get_crtc_scanline(crtc);
crtc->debug.scanline_start = scanline;
crtc->debug.start_vbl_time = ktime_get();
crtc->debug.start_vbl_count = intel_crtc_get_vblank_counter(crtc);
trace_i915_pipe_update_vblank_evaded(crtc);
return;
irq_disable:
local_irq_disable();
}
/**
* intel_pipe_update_end() - end update of a set of display registers
* @new_crtc_state: the new crtc state
*
* Mark the end of an update started with intel_pipe_update_start(). This
* re-enables interrupts and verifies the update was actually completed
* before a vblank.
*/
void intel_pipe_update_end(struct intel_crtc_state *new_crtc_state)
{
struct intel_crtc *crtc = to_intel_crtc(new_crtc_state->base.crtc);
enum pipe pipe = crtc->pipe;
int scanline_end = intel_get_crtc_scanline(crtc);
u32 end_vbl_count = intel_crtc_get_vblank_counter(crtc);
ktime_t end_vbl_time = ktime_get();
struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
trace_i915_pipe_update_end(crtc, end_vbl_count, scanline_end);
/* We're still in the vblank-evade critical section, this can't race.
* Would be slightly nice to just grab the vblank count and arm the
* event outside of the critical section - the spinlock might spin for a
* while ... */
if (new_crtc_state->base.event) {
WARN_ON(drm_crtc_vblank_get(&crtc->base) != 0);
spin_lock(&crtc->base.dev->event_lock);
drm_crtc_arm_vblank_event(&crtc->base, new_crtc_state->base.event);
spin_unlock(&crtc->base.dev->event_lock);
new_crtc_state->base.event = NULL;
}
local_irq_enable();
if (intel_vgpu_active(dev_priv))
return;
if (crtc->debug.start_vbl_count &&
crtc->debug.start_vbl_count != end_vbl_count) {
DRM_ERROR("Atomic update failure on pipe %c (start=%u end=%u) time %lld us, min %d, max %d, scanline start %d, end %d\n",
pipe_name(pipe), crtc->debug.start_vbl_count,
end_vbl_count,
ktime_us_delta(end_vbl_time, crtc->debug.start_vbl_time),
crtc->debug.min_vbl, crtc->debug.max_vbl,
crtc->debug.scanline_start, scanline_end);
}
#ifdef CONFIG_DRM_I915_DEBUG_VBLANK_EVADE
else if (ktime_us_delta(end_vbl_time, crtc->debug.start_vbl_time) >
VBLANK_EVASION_TIME_US)
DRM_WARN("Atomic update on pipe (%c) took %lld us, max time under evasion is %u us\n",
pipe_name(pipe),
ktime_us_delta(end_vbl_time, crtc->debug.start_vbl_time),
VBLANK_EVASION_TIME_US);
#endif
}
int intel_plane_check_stride(const struct intel_plane_state *plane_state)
{
struct intel_plane *plane = to_intel_plane(plane_state->base.plane);
const struct drm_framebuffer *fb = plane_state->base.fb;
unsigned int rotation = plane_state->base.rotation;
u32 stride, max_stride;
/*
* We ignore stride for all invisible planes that
* can be remapped. Otherwise we could end up
* with a false positive when the remapping didn't
* kick in due the plane being invisible.
*/
if (intel_plane_can_remap(plane_state) &&
!plane_state->base.visible)
return 0;
/* FIXME other color planes? */
stride = plane_state->color_plane[0].stride;
max_stride = plane->max_stride(plane, fb->format->format,
fb->modifier, rotation);
if (stride > max_stride) {
DRM_DEBUG_KMS("[FB:%d] stride (%d) exceeds [PLANE:%d:%s] max stride (%d)\n",
fb->base.id, stride,
plane->base.base.id, plane->base.name, max_stride);
return -EINVAL;
}
return 0;
}
int intel_plane_check_src_coordinates(struct intel_plane_state *plane_state)
{
const struct drm_framebuffer *fb = plane_state->base.fb;
struct drm_rect *src = &plane_state->base.src;
u32 src_x, src_y, src_w, src_h, hsub, vsub;
bool rotated = drm_rotation_90_or_270(plane_state->base.rotation);
/*
* Hardware doesn't handle subpixel coordinates.
* Adjust to (macro)pixel boundary, but be careful not to
* increase the source viewport size, because that could
* push the downscaling factor out of bounds.
*/
src_x = src->x1 >> 16;
src_w = drm_rect_width(src) >> 16;
src_y = src->y1 >> 16;
src_h = drm_rect_height(src) >> 16;
drm_rect_init(src, src_x << 16, src_y << 16,
src_w << 16, src_h << 16);
if (!fb->format->is_yuv)
return 0;
/* YUV specific checks */
if (!rotated) {
hsub = fb->format->hsub;
vsub = fb->format->vsub;
} else {
hsub = vsub = max(fb->format->hsub, fb->format->vsub);
}
if (src_x % hsub || src_w % hsub) {
DRM_DEBUG_KMS("src x/w (%u, %u) must be a multiple of %u for %sYUV planes\n",
src_x, src_w, hsub, rotated ? "rotated " : "");
return -EINVAL;
}
if (src_y % vsub || src_h % vsub) {
DRM_DEBUG_KMS("src y/h (%u, %u) must be a multiple of %u for %sYUV planes\n",
src_y, src_h, vsub, rotated ? "rotated " : "");
return -EINVAL;
}
return 0;
}
bool icl_is_hdr_plane(struct drm_i915_private *dev_priv, enum plane_id plane_id)
{
return INTEL_GEN(dev_priv) >= 11 &&
icl_hdr_plane_mask() & BIT(plane_id);
}
static void
skl_plane_ratio(const struct intel_crtc_state *crtc_state,
const struct intel_plane_state *plane_state,
unsigned int *num, unsigned int *den)
{
struct drm_i915_private *dev_priv = to_i915(plane_state->base.plane->dev);
const struct drm_framebuffer *fb = plane_state->base.fb;
if (fb->format->cpp[0] == 8) {
if (INTEL_GEN(dev_priv) >= 10 || IS_GEMINILAKE(dev_priv)) {
*num = 10;
*den = 8;
} else {
*num = 9;
*den = 8;
}
} else {
*num = 1;
*den = 1;
}
}
static int skl_plane_min_cdclk(const struct intel_crtc_state *crtc_state,
const struct intel_plane_state *plane_state)
{
struct drm_i915_private *dev_priv = to_i915(plane_state->base.plane->dev);
unsigned int pixel_rate = crtc_state->pixel_rate;
unsigned int src_w, src_h, dst_w, dst_h;
unsigned int num, den;
skl_plane_ratio(crtc_state, plane_state, &num, &den);
/* two pixels per clock on glk+ */
if (INTEL_GEN(dev_priv) >= 10 || IS_GEMINILAKE(dev_priv))
den *= 2;
src_w = drm_rect_width(&plane_state->base.src) >> 16;
src_h = drm_rect_height(&plane_state->base.src) >> 16;
dst_w = drm_rect_width(&plane_state->base.dst);
dst_h = drm_rect_height(&plane_state->base.dst);
/* Downscaling limits the maximum pixel rate */
dst_w = min(src_w, dst_w);
dst_h = min(src_h, dst_h);
return DIV64_U64_ROUND_UP(mul_u32_u32(pixel_rate * num, src_w * src_h),
mul_u32_u32(den, dst_w * dst_h));
}
static unsigned int
skl_plane_max_stride(struct intel_plane *plane,
u32 pixel_format, u64 modifier,
unsigned int rotation)
{
const struct drm_format_info *info = drm_format_info(pixel_format);
int cpp = info->cpp[0];
/*
* "The stride in bytes must not exceed the
* of the size of 8K pixels and 32K bytes."
*/
if (drm_rotation_90_or_270(rotation))
return min(8192, 32768 / cpp);
else
return min(8192 * cpp, 32768);
}
static void
skl_program_scaler(struct intel_plane *plane,
const struct intel_crtc_state *crtc_state,
const struct intel_plane_state *plane_state)
{
struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
const struct drm_framebuffer *fb = plane_state->base.fb;
enum pipe pipe = plane->pipe;
int scaler_id = plane_state->scaler_id;
const struct intel_scaler *scaler =
&crtc_state->scaler_state.scalers[scaler_id];
int crtc_x = plane_state->base.dst.x1;
int crtc_y = plane_state->base.dst.y1;
u32 crtc_w = drm_rect_width(&plane_state->base.dst);
u32 crtc_h = drm_rect_height(&plane_state->base.dst);
u16 y_hphase, uv_rgb_hphase;
u16 y_vphase, uv_rgb_vphase;
int hscale, vscale;
hscale = drm_rect_calc_hscale(&plane_state->base.src,
&plane_state->base.dst,
0, INT_MAX);
vscale = drm_rect_calc_vscale(&plane_state->base.src,
&plane_state->base.dst,
0, INT_MAX);
/* TODO: handle sub-pixel coordinates */
if (drm_format_info_is_yuv_semiplanar(fb->format) &&
!icl_is_hdr_plane(dev_priv, plane->id)) {
y_hphase = skl_scaler_calc_phase(1, hscale, false);
y_vphase = skl_scaler_calc_phase(1, vscale, false);
/* MPEG2 chroma siting convention */
uv_rgb_hphase = skl_scaler_calc_phase(2, hscale, true);
uv_rgb_vphase = skl_scaler_calc_phase(2, vscale, false);
} else {
/* not used */
y_hphase = 0;
y_vphase = 0;
uv_rgb_hphase = skl_scaler_calc_phase(1, hscale, false);
uv_rgb_vphase = skl_scaler_calc_phase(1, vscale, false);
}
I915_WRITE_FW(SKL_PS_CTRL(pipe, scaler_id),
PS_SCALER_EN | PS_PLANE_SEL(plane->id) | scaler->mode);
I915_WRITE_FW(SKL_PS_VPHASE(pipe, scaler_id),
PS_Y_PHASE(y_vphase) | PS_UV_RGB_PHASE(uv_rgb_vphase));
I915_WRITE_FW(SKL_PS_HPHASE(pipe, scaler_id),
PS_Y_PHASE(y_hphase) | PS_UV_RGB_PHASE(uv_rgb_hphase));
I915_WRITE_FW(SKL_PS_WIN_POS(pipe, scaler_id), (crtc_x << 16) | crtc_y);
I915_WRITE_FW(SKL_PS_WIN_SZ(pipe, scaler_id), (crtc_w << 16) | crtc_h);
}
/* Preoffset values for YUV to RGB Conversion */
#define PREOFF_YUV_TO_RGB_HI 0x1800
#define PREOFF_YUV_TO_RGB_ME 0x1F00
#define PREOFF_YUV_TO_RGB_LO 0x1800
#define ROFF(x) (((x) & 0xffff) << 16)
#define GOFF(x) (((x) & 0xffff) << 0)
#define BOFF(x) (((x) & 0xffff) << 16)
static void
icl_program_input_csc(struct intel_plane *plane,
const struct intel_crtc_state *crtc_state,
const struct intel_plane_state *plane_state)
{
struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
enum pipe pipe = plane->pipe;
enum plane_id plane_id = plane->id;
static const u16 input_csc_matrix[][9] = {
/*
* BT.601 full range YCbCr -> full range RGB
* The matrix required is :
* [1.000, 0.000, 1.371,
* 1.000, -0.336, -0.698,
* 1.000, 1.732, 0.0000]
*/
[DRM_COLOR_YCBCR_BT601] = {
0x7AF8, 0x7800, 0x0,
0x8B28, 0x7800, 0x9AC0,
0x0, 0x7800, 0x7DD8,
},
/*
* BT.709 full range YCbCr -> full range RGB
* The matrix required is :
* [1.000, 0.000, 1.574,
* 1.000, -0.187, -0.468,
* 1.000, 1.855, 0.0000]
*/
[DRM_COLOR_YCBCR_BT709] = {
0x7C98, 0x7800, 0x0,
0x9EF8, 0x7800, 0xAC00,
0x0, 0x7800, 0x7ED8,
},
/*
* BT.2020 full range YCbCr -> full range RGB
* The matrix required is :
* [1.000, 0.000, 1.474,
* 1.000, -0.1645, -0.5713,
* 1.000, 1.8814, 0.0000]
*/
[DRM_COLOR_YCBCR_BT2020] = {
0x7BC8, 0x7800, 0x0,
0x8928, 0x7800, 0xAA88,
0x0, 0x7800, 0x7F10,
},
};
/* Matrix for Limited Range to Full Range Conversion */
static const u16 input_csc_matrix_lr[][9] = {
/*
* BT.601 Limted range YCbCr -> full range RGB
* The matrix required is :
* [1.164384, 0.000, 1.596027,
* 1.164384, -0.39175, -0.812813,
* 1.164384, 2.017232, 0.0000]
*/
[DRM_COLOR_YCBCR_BT601] = {
0x7CC8, 0x7950, 0x0,
0x8D00, 0x7950, 0x9C88,
0x0, 0x7950, 0x6810,
},
/*
* BT.709 Limited range YCbCr -> full range RGB
* The matrix required is :
* [1.164384, 0.000, 1.792741,
* 1.164384, -0.213249, -0.532909,
* 1.164384, 2.112402, 0.0000]
*/
[DRM_COLOR_YCBCR_BT709] = {
0x7E58, 0x7950, 0x0,
0x8888, 0x7950, 0xADA8,
0x0, 0x7950, 0x6870,
},
/*
* BT.2020 Limited range YCbCr -> full range RGB
* The matrix required is :
* [1.164, 0.000, 1.678,
* 1.164, -0.1873, -0.6504,
* 1.164, 2.1417, 0.0000]
*/
[DRM_COLOR_YCBCR_BT2020] = {
0x7D70, 0x7950, 0x0,
0x8A68, 0x7950, 0xAC00,
0x0, 0x7950, 0x6890,
},
};
const u16 *csc;
if (plane_state->base.color_range == DRM_COLOR_YCBCR_FULL_RANGE)
csc = input_csc_matrix[plane_state->base.color_encoding];
else
csc = input_csc_matrix_lr[plane_state->base.color_encoding];
I915_WRITE_FW(PLANE_INPUT_CSC_COEFF(pipe, plane_id, 0), ROFF(csc[0]) |
GOFF(csc[1]));
I915_WRITE_FW(PLANE_INPUT_CSC_COEFF(pipe, plane_id, 1), BOFF(csc[2]));
I915_WRITE_FW(PLANE_INPUT_CSC_COEFF(pipe, plane_id, 2), ROFF(csc[3]) |
GOFF(csc[4]));
I915_WRITE_FW(PLANE_INPUT_CSC_COEFF(pipe, plane_id, 3), BOFF(csc[5]));
I915_WRITE_FW(PLANE_INPUT_CSC_COEFF(pipe, plane_id, 4), ROFF(csc[6]) |
GOFF(csc[7]));
I915_WRITE_FW(PLANE_INPUT_CSC_COEFF(pipe, plane_id, 5), BOFF(csc[8]));
I915_WRITE_FW(PLANE_INPUT_CSC_PREOFF(pipe, plane_id, 0),
PREOFF_YUV_TO_RGB_HI);
if (plane_state->base.color_range == DRM_COLOR_YCBCR_FULL_RANGE)
I915_WRITE_FW(PLANE_INPUT_CSC_PREOFF(pipe, plane_id, 1), 0);
else
I915_WRITE_FW(PLANE_INPUT_CSC_PREOFF(pipe, plane_id, 1),
PREOFF_YUV_TO_RGB_ME);
I915_WRITE_FW(PLANE_INPUT_CSC_PREOFF(pipe, plane_id, 2),
PREOFF_YUV_TO_RGB_LO);
I915_WRITE_FW(PLANE_INPUT_CSC_POSTOFF(pipe, plane_id, 0), 0x0);
I915_WRITE_FW(PLANE_INPUT_CSC_POSTOFF(pipe, plane_id, 1), 0x0);
I915_WRITE_FW(PLANE_INPUT_CSC_POSTOFF(pipe, plane_id, 2), 0x0);
}
static void
skl_program_plane(struct intel_plane *plane,
const struct intel_crtc_state *crtc_state,
const struct intel_plane_state *plane_state,
int color_plane, bool slave, u32 plane_ctl)
{
struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
enum plane_id plane_id = plane->id;
enum pipe pipe = plane->pipe;
const struct drm_intel_sprite_colorkey *key = &plane_state->ckey;
u32 surf_addr = plane_state->color_plane[color_plane].offset;
u32 stride = skl_plane_stride(plane_state, color_plane);
u32 aux_stride = skl_plane_stride(plane_state, 1);
int crtc_x = plane_state->base.dst.x1;
int crtc_y = plane_state->base.dst.y1;
u32 x = plane_state->color_plane[color_plane].x;
u32 y = plane_state->color_plane[color_plane].y;
u32 src_w = drm_rect_width(&plane_state->base.src) >> 16;
u32 src_h = drm_rect_height(&plane_state->base.src) >> 16;
struct intel_plane *linked = plane_state->planar_linked_plane;
const struct drm_framebuffer *fb = plane_state->base.fb;
u8 alpha = plane_state->base.alpha >> 8;
u32 plane_color_ctl = 0;
unsigned long irqflags;
u32 keymsk, keymax;
plane_ctl |= skl_plane_ctl_crtc(crtc_state);
if (INTEL_GEN(dev_priv) >= 10 || IS_GEMINILAKE(dev_priv))
plane_color_ctl = plane_state->color_ctl |
glk_plane_color_ctl_crtc(crtc_state);
/* Sizes are 0 based */
src_w--;
src_h--;
keymax = (key->max_value & 0xffffff) | PLANE_KEYMAX_ALPHA(alpha);
keymsk = key->channel_mask & 0x7ffffff;
if (alpha < 0xff)
keymsk |= PLANE_KEYMSK_ALPHA_ENABLE;
/* The scaler will handle the output position */
if (plane_state->scaler_id >= 0) {
crtc_x = 0;
crtc_y = 0;
}
spin_lock_irqsave(&dev_priv->uncore.lock, irqflags);
I915_WRITE_FW(PLANE_STRIDE(pipe, plane_id), stride);
I915_WRITE_FW(PLANE_POS(pipe, plane_id), (crtc_y << 16) | crtc_x);
I915_WRITE_FW(PLANE_SIZE(pipe, plane_id), (src_h << 16) | src_w);
I915_WRITE_FW(PLANE_AUX_DIST(pipe, plane_id),
(plane_state->color_plane[1].offset - surf_addr) | aux_stride);
if (icl_is_hdr_plane(dev_priv, plane_id)) {
u32 cus_ctl = 0;
if (linked) {
/* Enable and use MPEG-2 chroma siting */
cus_ctl = PLANE_CUS_ENABLE |
PLANE_CUS_HPHASE_0 |
PLANE_CUS_VPHASE_SIGN_NEGATIVE |
PLANE_CUS_VPHASE_0_25;
if (linked->id == PLANE_SPRITE5)
cus_ctl |= PLANE_CUS_PLANE_7;
else if (linked->id == PLANE_SPRITE4)
cus_ctl |= PLANE_CUS_PLANE_6;
else
MISSING_CASE(linked->id);
}
I915_WRITE_FW(PLANE_CUS_CTL(pipe, plane_id), cus_ctl);
}
if (INTEL_GEN(dev_priv) >= 10 || IS_GEMINILAKE(dev_priv))
I915_WRITE_FW(PLANE_COLOR_CTL(pipe, plane_id), plane_color_ctl);
if (fb->format->is_yuv && icl_is_hdr_plane(dev_priv, plane_id))
icl_program_input_csc(plane, crtc_state, plane_state);
skl_write_plane_wm(plane, crtc_state);
I915_WRITE_FW(PLANE_KEYVAL(pipe, plane_id), key->min_value);
I915_WRITE_FW(PLANE_KEYMSK(pipe, plane_id), keymsk);
I915_WRITE_FW(PLANE_KEYMAX(pipe, plane_id), keymax);
I915_WRITE_FW(PLANE_OFFSET(pipe, plane_id), (y << 16) | x);
if (INTEL_GEN(dev_priv) < 11)
I915_WRITE_FW(PLANE_AUX_OFFSET(pipe, plane_id),
(plane_state->color_plane[1].y << 16) |
plane_state->color_plane[1].x);
/*
* The control register self-arms if the plane was previously
* disabled. Try to make the plane enable atomic by writing
* the control register just before the surface register.
*/
I915_WRITE_FW(PLANE_CTL(pipe, plane_id), plane_ctl);
I915_WRITE_FW(PLANE_SURF(pipe, plane_id),
intel_plane_ggtt_offset(plane_state) + surf_addr);
if (!slave && plane_state->scaler_id >= 0)
skl_program_scaler(plane, crtc_state, plane_state);
spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags);
}
static void
skl_update_plane(struct intel_plane *plane,
const struct intel_crtc_state *crtc_state,
const struct intel_plane_state *plane_state)
{
int color_plane = 0;
if (plane_state->planar_linked_plane) {
/* Program the UV plane */
color_plane = 1;
}
skl_program_plane(plane, crtc_state, plane_state,
color_plane, false, plane_state->ctl);
}
static void
icl_update_slave(struct intel_plane *plane,
const struct intel_crtc_state *crtc_state,
const struct intel_plane_state *plane_state)
{
skl_program_plane(plane, crtc_state, plane_state, 0, true,
plane_state->ctl | PLANE_CTL_YUV420_Y_PLANE);
}
static void
skl_disable_plane(struct intel_plane *plane,
const struct intel_crtc_state *crtc_state)
{
struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
enum plane_id plane_id = plane->id;
enum pipe pipe = plane->pipe;
unsigned long irqflags;
spin_lock_irqsave(&dev_priv->uncore.lock, irqflags);
if (icl_is_hdr_plane(dev_priv, plane_id))
I915_WRITE_FW(PLANE_CUS_CTL(pipe, plane_id), 0);
skl_write_plane_wm(plane, crtc_state);
I915_WRITE_FW(PLANE_CTL(pipe, plane_id), 0);
I915_WRITE_FW(PLANE_SURF(pipe, plane_id), 0);
spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags);
}
static bool
skl_plane_get_hw_state(struct intel_plane *plane,
enum pipe *pipe)
{
struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
enum intel_display_power_domain power_domain;
enum plane_id plane_id = plane->id;
intel_wakeref_t wakeref;
bool ret;
power_domain = POWER_DOMAIN_PIPE(plane->pipe);
wakeref = intel_display_power_get_if_enabled(dev_priv, power_domain);
if (!wakeref)
return false;
ret = I915_READ(PLANE_CTL(plane->pipe, plane_id)) & PLANE_CTL_ENABLE;
*pipe = plane->pipe;
intel_display_power_put(dev_priv, power_domain, wakeref);
return ret;
}
static void i9xx_plane_linear_gamma(u16 gamma[8])
{
/* The points are not evenly spaced. */
static const u8 in[8] = { 0, 1, 2, 4, 8, 16, 24, 32 };
int i;
for (i = 0; i < 8; i++)
gamma[i] = (in[i] << 8) / 32;
}
static void
chv_update_csc(const struct intel_plane_state *plane_state)
{
struct intel_plane *plane = to_intel_plane(plane_state->base.plane);
struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
const struct drm_framebuffer *fb = plane_state->base.fb;
enum plane_id plane_id = plane->id;
/*
* |r| | c0 c1 c2 | |cr|
* |g| = | c3 c4 c5 | x |y |
* |b| | c6 c7 c8 | |cb|
*
* Coefficients are s3.12.
*
* Cb and Cr apparently come in as signed already, and
* we always get full range data in on account of CLRC0/1.
*/
static const s16 csc_matrix[][9] = {
/* BT.601 full range YCbCr -> full range RGB */
[DRM_COLOR_YCBCR_BT601] = {
5743, 4096, 0,
-2925, 4096, -1410,
0, 4096, 7258,
},
/* BT.709 full range YCbCr -> full range RGB */
[DRM_COLOR_YCBCR_BT709] = {
6450, 4096, 0,
-1917, 4096, -767,
0, 4096, 7601,
},
};
const s16 *csc = csc_matrix[plane_state->base.color_encoding];
/* Seems RGB data bypasses the CSC always */
if (!fb->format->is_yuv)
return;
I915_WRITE_FW(SPCSCYGOFF(plane_id), SPCSC_OOFF(0) | SPCSC_IOFF(0));
I915_WRITE_FW(SPCSCCBOFF(plane_id), SPCSC_OOFF(0) | SPCSC_IOFF(0));
I915_WRITE_FW(SPCSCCROFF(plane_id), SPCSC_OOFF(0) | SPCSC_IOFF(0));
I915_WRITE_FW(SPCSCC01(plane_id), SPCSC_C1(csc[1]) | SPCSC_C0(csc[0]));
I915_WRITE_FW(SPCSCC23(plane_id), SPCSC_C1(csc[3]) | SPCSC_C0(csc[2]));
I915_WRITE_FW(SPCSCC45(plane_id), SPCSC_C1(csc[5]) | SPCSC_C0(csc[4]));
I915_WRITE_FW(SPCSCC67(plane_id), SPCSC_C1(csc[7]) | SPCSC_C0(csc[6]));
I915_WRITE_FW(SPCSCC8(plane_id), SPCSC_C0(csc[8]));
I915_WRITE_FW(SPCSCYGICLAMP(plane_id), SPCSC_IMAX(1023) | SPCSC_IMIN(0));
I915_WRITE_FW(SPCSCCBICLAMP(plane_id), SPCSC_IMAX(512) | SPCSC_IMIN(-512));
I915_WRITE_FW(SPCSCCRICLAMP(plane_id), SPCSC_IMAX(512) | SPCSC_IMIN(-512));
I915_WRITE_FW(SPCSCYGOCLAMP(plane_id), SPCSC_OMAX(1023) | SPCSC_OMIN(0));
I915_WRITE_FW(SPCSCCBOCLAMP(plane_id), SPCSC_OMAX(1023) | SPCSC_OMIN(0));
I915_WRITE_FW(SPCSCCROCLAMP(plane_id), SPCSC_OMAX(1023) | SPCSC_OMIN(0));
}
#define SIN_0 0
#define COS_0 1
static void
vlv_update_clrc(const struct intel_plane_state *plane_state)
{
struct intel_plane *plane = to_intel_plane(plane_state->base.plane);
struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
const struct drm_framebuffer *fb = plane_state->base.fb;
enum pipe pipe = plane->pipe;
enum plane_id plane_id = plane->id;
int contrast, brightness, sh_scale, sh_sin, sh_cos;
if (fb->format->is_yuv &&
plane_state->base.color_range == DRM_COLOR_YCBCR_LIMITED_RANGE) {
/*
* Expand limited range to full range:
* Contrast is applied first and is used to expand Y range.
* Brightness is applied second and is used to remove the
* offset from Y. Saturation/hue is used to expand CbCr range.
*/
contrast = DIV_ROUND_CLOSEST(255 << 6, 235 - 16);
brightness = -DIV_ROUND_CLOSEST(16 * 255, 235 - 16);
sh_scale = DIV_ROUND_CLOSEST(128 << 7, 240 - 128);
sh_sin = SIN_0 * sh_scale;
sh_cos = COS_0 * sh_scale;
} else {
/* Pass-through everything. */
contrast = 1 << 6;
brightness = 0;
sh_scale = 1 << 7;
sh_sin = SIN_0 * sh_scale;
sh_cos = COS_0 * sh_scale;
}
/* FIXME these register are single buffered :( */
I915_WRITE_FW(SPCLRC0(pipe, plane_id),
SP_CONTRAST(contrast) | SP_BRIGHTNESS(brightness));
I915_WRITE_FW(SPCLRC1(pipe, plane_id),
SP_SH_SIN(sh_sin) | SP_SH_COS(sh_cos));
}
static void
vlv_plane_ratio(const struct intel_crtc_state *crtc_state,
const struct intel_plane_state *plane_state,
unsigned int *num, unsigned int *den)
{
u8 active_planes = crtc_state->active_planes & ~BIT(PLANE_CURSOR);
const struct drm_framebuffer *fb = plane_state->base.fb;
unsigned int cpp = fb->format->cpp[0];
/*
* VLV bspec only considers cases where all three planes are
* enabled, and cases where the primary and one sprite is enabled.
* Let's assume the case with just two sprites enabled also
* maps to the latter case.
*/
if (hweight8(active_planes) == 3) {
switch (cpp) {
case 8:
*num = 11;
*den = 8;
break;
case 4:
*num = 18;
*den = 16;
break;
default:
*num = 1;
*den = 1;
break;
}
} else if (hweight8(active_planes) == 2) {
switch (cpp) {
case 8:
*num = 10;
*den = 8;
break;
case 4:
*num = 17;
*den = 16;
break;
default:
*num = 1;
*den = 1;
break;
}
} else {
switch (cpp) {
case 8:
*num = 10;
*den = 8;
break;
default:
*num = 1;
*den = 1;
break;
}
}
}
int vlv_plane_min_cdclk(const struct intel_crtc_state *crtc_state,
const struct intel_plane_state *plane_state)
{
unsigned int pixel_rate;
unsigned int num, den;
/*
* Note that crtc_state->pixel_rate accounts for both
* horizontal and vertical panel fitter downscaling factors.
* Pre-HSW bspec tells us to only consider the horizontal
* downscaling factor here. We ignore that and just consider
* both for simplicity.
*/
pixel_rate = crtc_state->pixel_rate;
vlv_plane_ratio(crtc_state, plane_state, &num, &den);
return DIV_ROUND_UP(pixel_rate * num, den);
}
static u32 vlv_sprite_ctl_crtc(const struct intel_crtc_state *crtc_state)
{
u32 sprctl = 0;
if (crtc_state->gamma_enable)
sprctl |= SP_GAMMA_ENABLE;
return sprctl;
}
static u32 vlv_sprite_ctl(const struct intel_crtc_state *crtc_state,
const struct intel_plane_state *plane_state)
{
const struct drm_framebuffer *fb = plane_state->base.fb;
unsigned int rotation = plane_state->base.rotation;
const struct drm_intel_sprite_colorkey *key = &plane_state->ckey;
u32 sprctl;
sprctl = SP_ENABLE;
switch (fb->format->format) {
case DRM_FORMAT_YUYV:
sprctl |= SP_FORMAT_YUV422 | SP_YUV_ORDER_YUYV;
break;
case DRM_FORMAT_YVYU:
sprctl |= SP_FORMAT_YUV422 | SP_YUV_ORDER_YVYU;
break;
case DRM_FORMAT_UYVY:
sprctl |= SP_FORMAT_YUV422 | SP_YUV_ORDER_UYVY;
break;
case DRM_FORMAT_VYUY:
sprctl |= SP_FORMAT_YUV422 | SP_YUV_ORDER_VYUY;
break;
case DRM_FORMAT_RGB565:
sprctl |= SP_FORMAT_BGR565;
break;
case DRM_FORMAT_XRGB8888:
sprctl |= SP_FORMAT_BGRX8888;
break;
case DRM_FORMAT_ARGB8888:
sprctl |= SP_FORMAT_BGRA8888;
break;
case DRM_FORMAT_XBGR2101010:
sprctl |= SP_FORMAT_RGBX1010102;
break;
case DRM_FORMAT_ABGR2101010:
sprctl |= SP_FORMAT_RGBA1010102;
break;
case DRM_FORMAT_XBGR8888:
sprctl |= SP_FORMAT_RGBX8888;
break;
case DRM_FORMAT_ABGR8888:
sprctl |= SP_FORMAT_RGBA8888;
break;
default:
MISSING_CASE(fb->format->format);
return 0;
}
if (plane_state->base.color_encoding == DRM_COLOR_YCBCR_BT709)
sprctl |= SP_YUV_FORMAT_BT709;
if (fb->modifier == I915_FORMAT_MOD_X_TILED)
sprctl |= SP_TILED;
if (rotation & DRM_MODE_ROTATE_180)
sprctl |= SP_ROTATE_180;
if (rotation & DRM_MODE_REFLECT_X)
sprctl |= SP_MIRROR;
if (key->flags & I915_SET_COLORKEY_SOURCE)
sprctl |= SP_SOURCE_KEY;
return sprctl;
}
static void vlv_update_gamma(const struct intel_plane_state *plane_state)
{
struct intel_plane *plane = to_intel_plane(plane_state->base.plane);
struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
const struct drm_framebuffer *fb = plane_state->base.fb;
enum pipe pipe = plane->pipe;
enum plane_id plane_id = plane->id;
u16 gamma[8];
int i;
/* Seems RGB data bypasses the gamma always */
if (!fb->format->is_yuv)
return;
i9xx_plane_linear_gamma(gamma);
/* FIXME these register are single buffered :( */
/* The two end points are implicit (0.0 and 1.0) */
for (i = 1; i < 8 - 1; i++)
I915_WRITE_FW(SPGAMC(pipe, plane_id, i - 1),
gamma[i] << 16 |
gamma[i] << 8 |
gamma[i]);
}
static void
vlv_update_plane(struct intel_plane *plane,
const struct intel_crtc_state *crtc_state,
const struct intel_plane_state *plane_state)
{
struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
enum pipe pipe = plane->pipe;
enum plane_id plane_id = plane->id;
u32 sprsurf_offset = plane_state->color_plane[0].offset;
u32 linear_offset;
const struct drm_intel_sprite_colorkey *key = &plane_state->ckey;
int crtc_x = plane_state->base.dst.x1;
int crtc_y = plane_state->base.dst.y1;
u32 crtc_w = drm_rect_width(&plane_state->base.dst);
u32 crtc_h = drm_rect_height(&plane_state->base.dst);
u32 x = plane_state->color_plane[0].x;
u32 y = plane_state->color_plane[0].y;
unsigned long irqflags;
u32 sprctl;
sprctl = plane_state->ctl | vlv_sprite_ctl_crtc(crtc_state);
/* Sizes are 0 based */
crtc_w--;
crtc_h--;
linear_offset = intel_fb_xy_to_linear(x, y, plane_state, 0);
spin_lock_irqsave(&dev_priv->uncore.lock, irqflags);
I915_WRITE_FW(SPSTRIDE(pipe, plane_id),
plane_state->color_plane[0].stride);
I915_WRITE_FW(SPPOS(pipe, plane_id), (crtc_y << 16) | crtc_x);
I915_WRITE_FW(SPSIZE(pipe, plane_id), (crtc_h << 16) | crtc_w);
I915_WRITE_FW(SPCONSTALPHA(pipe, plane_id), 0);
if (IS_CHERRYVIEW(dev_priv) && pipe == PIPE_B)
chv_update_csc(plane_state);
if (key->flags) {
I915_WRITE_FW(SPKEYMINVAL(pipe, plane_id), key->min_value);
I915_WRITE_FW(SPKEYMSK(pipe, plane_id), key->channel_mask);
I915_WRITE_FW(SPKEYMAXVAL(pipe, plane_id), key->max_value);
}
I915_WRITE_FW(SPLINOFF(pipe, plane_id), linear_offset);
I915_WRITE_FW(SPTILEOFF(pipe, plane_id), (y << 16) | x);
/*
* The control register self-arms if the plane was previously
* disabled. Try to make the plane enable atomic by writing
* the control register just before the surface register.
*/
I915_WRITE_FW(SPCNTR(pipe, plane_id), sprctl);
I915_WRITE_FW(SPSURF(pipe, plane_id),
intel_plane_ggtt_offset(plane_state) + sprsurf_offset);
vlv_update_clrc(plane_state);
vlv_update_gamma(plane_state);
spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags);
}
static void
vlv_disable_plane(struct intel_plane *plane,
const struct intel_crtc_state *crtc_state)
{
struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
enum pipe pipe = plane->pipe;
enum plane_id plane_id = plane->id;
unsigned long irqflags;
spin_lock_irqsave(&dev_priv->uncore.lock, irqflags);
I915_WRITE_FW(SPCNTR(pipe, plane_id), 0);
I915_WRITE_FW(SPSURF(pipe, plane_id), 0);
spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags);
}
static bool
vlv_plane_get_hw_state(struct intel_plane *plane,
enum pipe *pipe)
{
struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
enum intel_display_power_domain power_domain;
enum plane_id plane_id = plane->id;
intel_wakeref_t wakeref;
bool ret;
power_domain = POWER_DOMAIN_PIPE(plane->pipe);
wakeref = intel_display_power_get_if_enabled(dev_priv, power_domain);
if (!wakeref)
return false;
ret = I915_READ(SPCNTR(plane->pipe, plane_id)) & SP_ENABLE;
*pipe = plane->pipe;
intel_display_power_put(dev_priv, power_domain, wakeref);
return ret;
}
static void ivb_plane_ratio(const struct intel_crtc_state *crtc_state,
const struct intel_plane_state *plane_state,
unsigned int *num, unsigned int *den)
{
u8 active_planes = crtc_state->active_planes & ~BIT(PLANE_CURSOR);
const struct drm_framebuffer *fb = plane_state->base.fb;
unsigned int cpp = fb->format->cpp[0];
if (hweight8(active_planes) == 2) {
switch (cpp) {
case 8:
*num = 10;
*den = 8;
break;
case 4:
*num = 17;
*den = 16;
break;
default:
*num = 1;
*den = 1;
break;
}
} else {
switch (cpp) {
case 8:
*num = 9;
*den = 8;
break;
default:
*num = 1;
*den = 1;
break;
}
}
}
static void ivb_plane_ratio_scaling(const struct intel_crtc_state *crtc_state,
const struct intel_plane_state *plane_state,
unsigned int *num, unsigned int *den)
{
const struct drm_framebuffer *fb = plane_state->base.fb;
unsigned int cpp = fb->format->cpp[0];
switch (cpp) {
case 8:
*num = 12;
*den = 8;
break;
case 4:
*num = 19;
*den = 16;
break;
case 2:
*num = 33;
*den = 32;
break;
default:
*num = 1;
*den = 1;
break;
}
}
int ivb_plane_min_cdclk(const struct intel_crtc_state *crtc_state,
const struct intel_plane_state *plane_state)
{
unsigned int pixel_rate;
unsigned int num, den;
/*
* Note that crtc_state->pixel_rate accounts for both
* horizontal and vertical panel fitter downscaling factors.
* Pre-HSW bspec tells us to only consider the horizontal
* downscaling factor here. We ignore that and just consider
* both for simplicity.
*/
pixel_rate = crtc_state->pixel_rate;
ivb_plane_ratio(crtc_state, plane_state, &num, &den);
return DIV_ROUND_UP(pixel_rate * num, den);
}
static int ivb_sprite_min_cdclk(const struct intel_crtc_state *crtc_state,
const struct intel_plane_state *plane_state)
{
unsigned int src_w, dst_w, pixel_rate;
unsigned int num, den;
/*
* Note that crtc_state->pixel_rate accounts for both
* horizontal and vertical panel fitter downscaling factors.
* Pre-HSW bspec tells us to only consider the horizontal
* downscaling factor here. We ignore that and just consider
* both for simplicity.
*/
pixel_rate = crtc_state->pixel_rate;
src_w = drm_rect_width(&plane_state->base.src) >> 16;
dst_w = drm_rect_width(&plane_state->base.dst);
if (src_w != dst_w)
ivb_plane_ratio_scaling(crtc_state, plane_state, &num, &den);
else
ivb_plane_ratio(crtc_state, plane_state, &num, &den);
/* Horizontal downscaling limits the maximum pixel rate */
dst_w = min(src_w, dst_w);
return DIV_ROUND_UP_ULL(mul_u32_u32(pixel_rate, num * src_w),
den * dst_w);
}
static void hsw_plane_ratio(const struct intel_crtc_state *crtc_state,
const struct intel_plane_state *plane_state,
unsigned int *num, unsigned int *den)
{
u8 active_planes = crtc_state->active_planes & ~BIT(PLANE_CURSOR);
const struct drm_framebuffer *fb = plane_state->base.fb;
unsigned int cpp = fb->format->cpp[0];
if (hweight8(active_planes) == 2) {
switch (cpp) {
case 8:
*num = 10;
*den = 8;
break;
default:
*num = 1;
*den = 1;
break;
}
} else {
switch (cpp) {
case 8:
*num = 9;
*den = 8;
break;
default:
*num = 1;
*den = 1;
break;
}
}
}
int hsw_plane_min_cdclk(const struct intel_crtc_state *crtc_state,
const struct intel_plane_state *plane_state)
{
unsigned int pixel_rate = crtc_state->pixel_rate;
unsigned int num, den;
hsw_plane_ratio(crtc_state, plane_state, &num, &den);
return DIV_ROUND_UP(pixel_rate * num, den);
}
static u32 ivb_sprite_ctl_crtc(const struct intel_crtc_state *crtc_state)
{
u32 sprctl = 0;
if (crtc_state->gamma_enable)
sprctl |= SPRITE_GAMMA_ENABLE;
if (crtc_state->csc_enable)
sprctl |= SPRITE_PIPE_CSC_ENABLE;
return sprctl;
}
static bool ivb_need_sprite_gamma(const struct intel_plane_state *plane_state)
{
struct drm_i915_private *dev_priv =
to_i915(plane_state->base.plane->dev);
const struct drm_framebuffer *fb = plane_state->base.fb;
return fb->format->cpp[0] == 8 &&
(IS_IVYBRIDGE(dev_priv) || IS_HASWELL(dev_priv));
}
static u32 ivb_sprite_ctl(const struct intel_crtc_state *crtc_state,
const struct intel_plane_state *plane_state)
{
struct drm_i915_private *dev_priv =
to_i915(plane_state->base.plane->dev);
const struct drm_framebuffer *fb = plane_state->base.fb;
unsigned int rotation = plane_state->base.rotation;
const struct drm_intel_sprite_colorkey *key = &plane_state->ckey;
u32 sprctl;
sprctl = SPRITE_ENABLE;
if (IS_IVYBRIDGE(dev_priv))
sprctl |= SPRITE_TRICKLE_FEED_DISABLE;
switch (fb->format->format) {
case DRM_FORMAT_XBGR8888:
sprctl |= SPRITE_FORMAT_RGBX888 | SPRITE_RGB_ORDER_RGBX;
break;
case DRM_FORMAT_XRGB8888:
sprctl |= SPRITE_FORMAT_RGBX888;
break;
case DRM_FORMAT_XBGR16161616F:
sprctl |= SPRITE_FORMAT_RGBX161616 | SPRITE_RGB_ORDER_RGBX;
break;
case DRM_FORMAT_XRGB16161616F:
sprctl |= SPRITE_FORMAT_RGBX161616;
break;
case DRM_FORMAT_YUYV:
sprctl |= SPRITE_FORMAT_YUV422 | SPRITE_YUV_ORDER_YUYV;
break;
case DRM_FORMAT_YVYU:
sprctl |= SPRITE_FORMAT_YUV422 | SPRITE_YUV_ORDER_YVYU;
break;
case DRM_FORMAT_UYVY:
sprctl |= SPRITE_FORMAT_YUV422 | SPRITE_YUV_ORDER_UYVY;
break;
case DRM_FORMAT_VYUY:
sprctl |= SPRITE_FORMAT_YUV422 | SPRITE_YUV_ORDER_VYUY;
break;
default:
MISSING_CASE(fb->format->format);
return 0;
}
if (!ivb_need_sprite_gamma(plane_state))
sprctl |= SPRITE_INT_GAMMA_DISABLE;
if (plane_state->base.color_encoding == DRM_COLOR_YCBCR_BT709)
sprctl |= SPRITE_YUV_TO_RGB_CSC_FORMAT_BT709;
if (plane_state->base.color_range == DRM_COLOR_YCBCR_FULL_RANGE)
sprctl |= SPRITE_YUV_RANGE_CORRECTION_DISABLE;
if (fb->modifier == I915_FORMAT_MOD_X_TILED)
sprctl |= SPRITE_TILED;
if (rotation & DRM_MODE_ROTATE_180)
sprctl |= SPRITE_ROTATE_180;
if (key->flags & I915_SET_COLORKEY_DESTINATION)
sprctl |= SPRITE_DEST_KEY;
else if (key->flags & I915_SET_COLORKEY_SOURCE)
sprctl |= SPRITE_SOURCE_KEY;
return sprctl;
}
static void ivb_sprite_linear_gamma(const struct intel_plane_state *plane_state,
u16 gamma[18])
{
int scale, i;
/*
* WaFP16GammaEnabling:ivb,hsw
* "Workaround : When using the 64-bit format, the sprite output
* on each color channel has one quarter amplitude. It can be
* brought up to full amplitude by using sprite internal gamma
* correction, pipe gamma correction, or pipe color space
* conversion to multiply the sprite output by four."
*/
scale = 4;
for (i = 0; i < 16; i++)
gamma[i] = min((scale * i << 10) / 16, (1 << 10) - 1);
gamma[i] = min((scale * i << 10) / 16, 1 << 10);
i++;
gamma[i] = 3 << 10;
i++;
}
static void ivb_update_gamma(const struct intel_plane_state *plane_state)
{
struct intel_plane *plane = to_intel_plane(plane_state->base.plane);
struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
enum pipe pipe = plane->pipe;
u16 gamma[18];
int i;
if (!ivb_need_sprite_gamma(plane_state))
return;
ivb_sprite_linear_gamma(plane_state, gamma);
/* FIXME these register are single buffered :( */
for (i = 0; i < 16; i++)
I915_WRITE_FW(SPRGAMC(pipe, i),
gamma[i] << 20 |
gamma[i] << 10 |
gamma[i]);
I915_WRITE_FW(SPRGAMC16(pipe, 0), gamma[i]);
I915_WRITE_FW(SPRGAMC16(pipe, 1), gamma[i]);
I915_WRITE_FW(SPRGAMC16(pipe, 2), gamma[i]);
i++;
I915_WRITE_FW(SPRGAMC17(pipe, 0), gamma[i]);
I915_WRITE_FW(SPRGAMC17(pipe, 1), gamma[i]);
I915_WRITE_FW(SPRGAMC17(pipe, 2), gamma[i]);
i++;
}
static void
ivb_update_plane(struct intel_plane *plane,
const struct intel_crtc_state *crtc_state,
const struct intel_plane_state *plane_state)
{
struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
enum pipe pipe = plane->pipe;
u32 sprsurf_offset = plane_state->color_plane[0].offset;
u32 linear_offset;
const struct drm_intel_sprite_colorkey *key = &plane_state->ckey;
int crtc_x = plane_state->base.dst.x1;
int crtc_y = plane_state->base.dst.y1;
u32 crtc_w = drm_rect_width(&plane_state->base.dst);
u32 crtc_h = drm_rect_height(&plane_state->base.dst);
u32 x = plane_state->color_plane[0].x;
u32 y = plane_state->color_plane[0].y;
u32 src_w = drm_rect_width(&plane_state->base.src) >> 16;
u32 src_h = drm_rect_height(&plane_state->base.src) >> 16;
u32 sprctl, sprscale = 0;
unsigned long irqflags;
sprctl = plane_state->ctl | ivb_sprite_ctl_crtc(crtc_state);
/* Sizes are 0 based */
src_w--;
src_h--;
crtc_w--;
crtc_h--;
if (crtc_w != src_w || crtc_h != src_h)
sprscale = SPRITE_SCALE_ENABLE | (src_w << 16) | src_h;
linear_offset = intel_fb_xy_to_linear(x, y, plane_state, 0);
spin_lock_irqsave(&dev_priv->uncore.lock, irqflags);
I915_WRITE_FW(SPRSTRIDE(pipe), plane_state->color_plane[0].stride);
I915_WRITE_FW(SPRPOS(pipe), (crtc_y << 16) | crtc_x);
I915_WRITE_FW(SPRSIZE(pipe), (crtc_h << 16) | crtc_w);
if (IS_IVYBRIDGE(dev_priv))
I915_WRITE_FW(SPRSCALE(pipe), sprscale);
if (key->flags) {
I915_WRITE_FW(SPRKEYVAL(pipe), key->min_value);
I915_WRITE_FW(SPRKEYMSK(pipe), key->channel_mask);
I915_WRITE_FW(SPRKEYMAX(pipe), key->max_value);
}
/* HSW consolidates SPRTILEOFF and SPRLINOFF into a single SPROFFSET
* register */
if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv)) {
I915_WRITE_FW(SPROFFSET(pipe), (y << 16) | x);
} else {
I915_WRITE_FW(SPRLINOFF(pipe), linear_offset);
I915_WRITE_FW(SPRTILEOFF(pipe), (y << 16) | x);
}
/*
* The control register self-arms if the plane was previously
* disabled. Try to make the plane enable atomic by writing
* the control register just before the surface register.
*/
I915_WRITE_FW(SPRCTL(pipe), sprctl);
I915_WRITE_FW(SPRSURF(pipe),
intel_plane_ggtt_offset(plane_state) + sprsurf_offset);
ivb_update_gamma(plane_state);
spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags);
}
static void
ivb_disable_plane(struct intel_plane *plane,
const struct intel_crtc_state *crtc_state)
{
struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
enum pipe pipe = plane->pipe;
unsigned long irqflags;
spin_lock_irqsave(&dev_priv->uncore.lock, irqflags);
I915_WRITE_FW(SPRCTL(pipe), 0);
/* Disable the scaler */
if (IS_IVYBRIDGE(dev_priv))
I915_WRITE_FW(SPRSCALE(pipe), 0);
I915_WRITE_FW(SPRSURF(pipe), 0);
spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags);
}
static bool
ivb_plane_get_hw_state(struct intel_plane *plane,
enum pipe *pipe)
{
struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
enum intel_display_power_domain power_domain;
intel_wakeref_t wakeref;
bool ret;
power_domain = POWER_DOMAIN_PIPE(plane->pipe);
wakeref = intel_display_power_get_if_enabled(dev_priv, power_domain);
if (!wakeref)
return false;
ret = I915_READ(SPRCTL(plane->pipe)) & SPRITE_ENABLE;
*pipe = plane->pipe;
intel_display_power_put(dev_priv, power_domain, wakeref);
return ret;
}
static int g4x_sprite_min_cdclk(const struct intel_crtc_state *crtc_state,
const struct intel_plane_state *plane_state)
{
const struct drm_framebuffer *fb = plane_state->base.fb;
unsigned int hscale, pixel_rate;
unsigned int limit, decimate;
/*
* Note that crtc_state->pixel_rate accounts for both
* horizontal and vertical panel fitter downscaling factors.
* Pre-HSW bspec tells us to only consider the horizontal
* downscaling factor here. We ignore that and just consider
* both for simplicity.
*/
pixel_rate = crtc_state->pixel_rate;
/* Horizontal downscaling limits the maximum pixel rate */
hscale = drm_rect_calc_hscale(&plane_state->base.src,
&plane_state->base.dst,
0, INT_MAX);
if (hscale < 0x10000)
return pixel_rate;
/* Decimation steps at 2x,4x,8x,16x */
decimate = ilog2(hscale >> 16);
hscale >>= decimate;
/* Starting limit is 90% of cdclk */
limit = 9;
/* -10% per decimation step */
limit -= decimate;
/* -10% for RGB */
if (fb->format->cpp[0] >= 4)
limit--; /* -10% for RGB */
/*
* We should also do -10% if sprite scaling is enabled
* on the other pipe, but we can't really check for that,
* so we ignore it.
*/
return DIV_ROUND_UP_ULL(mul_u32_u32(pixel_rate, 10 * hscale),
limit << 16);
}
static unsigned int
g4x_sprite_max_stride(struct intel_plane *plane,
u32 pixel_format, u64 modifier,
unsigned int rotation)
{
return 16384;
}
static u32 g4x_sprite_ctl_crtc(const struct intel_crtc_state *crtc_state)
{
u32 dvscntr = 0;
if (crtc_state->gamma_enable)
dvscntr |= DVS_GAMMA_ENABLE;
if (crtc_state->csc_enable)
dvscntr |= DVS_PIPE_CSC_ENABLE;
return dvscntr;
}
static u32 g4x_sprite_ctl(const struct intel_crtc_state *crtc_state,
const struct intel_plane_state *plane_state)
{
struct drm_i915_private *dev_priv =
to_i915(plane_state->base.plane->dev);
const struct drm_framebuffer *fb = plane_state->base.fb;
unsigned int rotation = plane_state->base.rotation;
const struct drm_intel_sprite_colorkey *key = &plane_state->ckey;
u32 dvscntr;
dvscntr = DVS_ENABLE;
if (IS_GEN(dev_priv, 6))
dvscntr |= DVS_TRICKLE_FEED_DISABLE;
switch (fb->format->format) {
case DRM_FORMAT_XBGR8888:
dvscntr |= DVS_FORMAT_RGBX888 | DVS_RGB_ORDER_XBGR;
break;
case DRM_FORMAT_XRGB8888:
dvscntr |= DVS_FORMAT_RGBX888;
break;
case DRM_FORMAT_XBGR16161616F:
dvscntr |= DVS_FORMAT_RGBX161616 | DVS_RGB_ORDER_XBGR;
break;
case DRM_FORMAT_XRGB16161616F:
dvscntr |= DVS_FORMAT_RGBX161616;
break;
case DRM_FORMAT_YUYV:
dvscntr |= DVS_FORMAT_YUV422 | DVS_YUV_ORDER_YUYV;
break;
case DRM_FORMAT_YVYU:
dvscntr |= DVS_FORMAT_YUV422 | DVS_YUV_ORDER_YVYU;
break;
case DRM_FORMAT_UYVY:
dvscntr |= DVS_FORMAT_YUV422 | DVS_YUV_ORDER_UYVY;
break;
case DRM_FORMAT_VYUY:
dvscntr |= DVS_FORMAT_YUV422 | DVS_YUV_ORDER_VYUY;
break;
default:
MISSING_CASE(fb->format->format);
return 0;
}
if (plane_state->base.color_encoding == DRM_COLOR_YCBCR_BT709)
dvscntr |= DVS_YUV_FORMAT_BT709;
if (plane_state->base.color_range == DRM_COLOR_YCBCR_FULL_RANGE)
dvscntr |= DVS_YUV_RANGE_CORRECTION_DISABLE;
if (fb->modifier == I915_FORMAT_MOD_X_TILED)
dvscntr |= DVS_TILED;
if (rotation & DRM_MODE_ROTATE_180)
dvscntr |= DVS_ROTATE_180;
if (key->flags & I915_SET_COLORKEY_DESTINATION)
dvscntr |= DVS_DEST_KEY;
else if (key->flags & I915_SET_COLORKEY_SOURCE)
dvscntr |= DVS_SOURCE_KEY;
return dvscntr;
}
static void g4x_update_gamma(const struct intel_plane_state *plane_state)
{
struct intel_plane *plane = to_intel_plane(plane_state->base.plane);
struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
const struct drm_framebuffer *fb = plane_state->base.fb;
enum pipe pipe = plane->pipe;
u16 gamma[8];
int i;
/* Seems RGB data bypasses the gamma always */
if (!fb->format->is_yuv)
return;
i9xx_plane_linear_gamma(gamma);
/* FIXME these register are single buffered :( */
/* The two end points are implicit (0.0 and 1.0) */
for (i = 1; i < 8 - 1; i++)
I915_WRITE_FW(DVSGAMC_G4X(pipe, i - 1),
gamma[i] << 16 |
gamma[i] << 8 |
gamma[i]);
}
static void ilk_sprite_linear_gamma(u16 gamma[17])
{
int i;
for (i = 0; i < 17; i++)
gamma[i] = (i << 10) / 16;
}
static void ilk_update_gamma(const struct intel_plane_state *plane_state)
{
struct intel_plane *plane = to_intel_plane(plane_state->base.plane);
struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
const struct drm_framebuffer *fb = plane_state->base.fb;
enum pipe pipe = plane->pipe;
u16 gamma[17];
int i;
/* Seems RGB data bypasses the gamma always */
if (!fb->format->is_yuv)
return;
ilk_sprite_linear_gamma(gamma);
/* FIXME these register are single buffered :( */
for (i = 0; i < 16; i++)
I915_WRITE_FW(DVSGAMC_ILK(pipe, i),
gamma[i] << 20 |
gamma[i] << 10 |
gamma[i]);
I915_WRITE_FW(DVSGAMCMAX_ILK(pipe, 0), gamma[i]);
I915_WRITE_FW(DVSGAMCMAX_ILK(pipe, 1), gamma[i]);
I915_WRITE_FW(DVSGAMCMAX_ILK(pipe, 2), gamma[i]);
i++;
}
static void
g4x_update_plane(struct intel_plane *plane,
const struct intel_crtc_state *crtc_state,
const struct intel_plane_state *plane_state)
{
struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
enum pipe pipe = plane->pipe;
u32 dvssurf_offset = plane_state->color_plane[0].offset;
u32 linear_offset;
const struct drm_intel_sprite_colorkey *key = &plane_state->ckey;
int crtc_x = plane_state->base.dst.x1;
int crtc_y = plane_state->base.dst.y1;
u32 crtc_w = drm_rect_width(&plane_state->base.dst);
u32 crtc_h = drm_rect_height(&plane_state->base.dst);
u32 x = plane_state->color_plane[0].x;
u32 y = plane_state->color_plane[0].y;
u32 src_w = drm_rect_width(&plane_state->base.src) >> 16;
u32 src_h = drm_rect_height(&plane_state->base.src) >> 16;
u32 dvscntr, dvsscale = 0;
unsigned long irqflags;
dvscntr = plane_state->ctl | g4x_sprite_ctl_crtc(crtc_state);
/* Sizes are 0 based */
src_w--;
src_h--;
crtc_w--;
crtc_h--;
if (crtc_w != src_w || crtc_h != src_h)
dvsscale = DVS_SCALE_ENABLE | (src_w << 16) | src_h;
linear_offset = intel_fb_xy_to_linear(x, y, plane_state, 0);
spin_lock_irqsave(&dev_priv->uncore.lock, irqflags);
I915_WRITE_FW(DVSSTRIDE(pipe), plane_state->color_plane[0].stride);
I915_WRITE_FW(DVSPOS(pipe), (crtc_y << 16) | crtc_x);
I915_WRITE_FW(DVSSIZE(pipe), (crtc_h << 16) | crtc_w);
I915_WRITE_FW(DVSSCALE(pipe), dvsscale);
if (key->flags) {
I915_WRITE_FW(DVSKEYVAL(pipe), key->min_value);
I915_WRITE_FW(DVSKEYMSK(pipe), key->channel_mask);
I915_WRITE_FW(DVSKEYMAX(pipe), key->max_value);
}
I915_WRITE_FW(DVSLINOFF(pipe), linear_offset);
I915_WRITE_FW(DVSTILEOFF(pipe), (y << 16) | x);
/*
* The control register self-arms if the plane was previously
* disabled. Try to make the plane enable atomic by writing
* the control register just before the surface register.
*/
I915_WRITE_FW(DVSCNTR(pipe), dvscntr);
I915_WRITE_FW(DVSSURF(pipe),
intel_plane_ggtt_offset(plane_state) + dvssurf_offset);
if (IS_G4X(dev_priv))
g4x_update_gamma(plane_state);
else
ilk_update_gamma(plane_state);
spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags);
}
static void
g4x_disable_plane(struct intel_plane *plane,
const struct intel_crtc_state *crtc_state)
{
struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
enum pipe pipe = plane->pipe;
unsigned long irqflags;
spin_lock_irqsave(&dev_priv->uncore.lock, irqflags);
I915_WRITE_FW(DVSCNTR(pipe), 0);
/* Disable the scaler */
I915_WRITE_FW(DVSSCALE(pipe), 0);
I915_WRITE_FW(DVSSURF(pipe), 0);
spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags);
}
static bool
g4x_plane_get_hw_state(struct intel_plane *plane,
enum pipe *pipe)
{
struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
enum intel_display_power_domain power_domain;
intel_wakeref_t wakeref;
bool ret;
power_domain = POWER_DOMAIN_PIPE(plane->pipe);
wakeref = intel_display_power_get_if_enabled(dev_priv, power_domain);
if (!wakeref)
return false;
ret = I915_READ(DVSCNTR(plane->pipe)) & DVS_ENABLE;
*pipe = plane->pipe;
intel_display_power_put(dev_priv, power_domain, wakeref);
return ret;
}
static bool intel_fb_scalable(const struct drm_framebuffer *fb)
{
if (!fb)
return false;
switch (fb->format->format) {
case DRM_FORMAT_C8:
return false;
case DRM_FORMAT_XRGB16161616F:
case DRM_FORMAT_ARGB16161616F:
case DRM_FORMAT_XBGR16161616F:
case DRM_FORMAT_ABGR16161616F:
return INTEL_GEN(to_i915(fb->dev)) >= 11;
default:
return true;
}
}
static int
g4x_sprite_check_scaling(struct intel_crtc_state *crtc_state,
struct intel_plane_state *plane_state)
{
const struct drm_framebuffer *fb = plane_state->base.fb;
const struct drm_rect *src = &plane_state->base.src;
const struct drm_rect *dst = &plane_state->base.dst;
int src_x, src_w, src_h, crtc_w, crtc_h;
const struct drm_display_mode *adjusted_mode =
&crtc_state->base.adjusted_mode;
unsigned int stride = plane_state->color_plane[0].stride;
unsigned int cpp = fb->format->cpp[0];
unsigned int width_bytes;
int min_width, min_height;
crtc_w = drm_rect_width(dst);
crtc_h = drm_rect_height(dst);
src_x = src->x1 >> 16;
src_w = drm_rect_width(src) >> 16;
src_h = drm_rect_height(src) >> 16;
if (src_w == crtc_w && src_h == crtc_h)
return 0;
min_width = 3;
if (adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE) {
if (src_h & 1) {
DRM_DEBUG_KMS("Source height must be even with interlaced modes\n");
return -EINVAL;
}
min_height = 6;
} else {
min_height = 3;
}
width_bytes = ((src_x * cpp) & 63) + src_w * cpp;
if (src_w < min_width || src_h < min_height ||
src_w > 2048 || src_h > 2048) {
DRM_DEBUG_KMS("Source dimensions (%dx%d) exceed hardware limits (%dx%d - %dx%d)\n",
src_w, src_h, min_width, min_height, 2048, 2048);
return -EINVAL;
}
if (width_bytes > 4096) {
DRM_DEBUG_KMS("Fetch width (%d) exceeds hardware max with scaling (%u)\n",
width_bytes, 4096);
return -EINVAL;
}
if (stride > 4096) {
DRM_DEBUG_KMS("Stride (%u) exceeds hardware max with scaling (%u)\n",
stride, 4096);
return -EINVAL;
}
return 0;
}
static int
g4x_sprite_check(struct intel_crtc_state *crtc_state,
struct intel_plane_state *plane_state)
{
struct intel_plane *plane = to_intel_plane(plane_state->base.plane);
struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
int min_scale = DRM_PLANE_HELPER_NO_SCALING;
int max_scale = DRM_PLANE_HELPER_NO_SCALING;
int ret;
if (intel_fb_scalable(plane_state->base.fb)) {
if (INTEL_GEN(dev_priv) < 7) {
min_scale = 1;
max_scale = 16 << 16;
} else if (IS_IVYBRIDGE(dev_priv)) {
min_scale = 1;
max_scale = 2 << 16;
}
}
ret = drm_atomic_helper_check_plane_state(&plane_state->base,
&crtc_state->base,
min_scale, max_scale,
true, true);
if (ret)
return ret;
ret = i9xx_check_plane_surface(plane_state);
if (ret)
return ret;
if (!plane_state->base.visible)
return 0;
ret = intel_plane_check_src_coordinates(plane_state);
if (ret)
return ret;
ret = g4x_sprite_check_scaling(crtc_state, plane_state);
if (ret)
return ret;
if (INTEL_GEN(dev_priv) >= 7)
plane_state->ctl = ivb_sprite_ctl(crtc_state, plane_state);
else
plane_state->ctl = g4x_sprite_ctl(crtc_state, plane_state);
return 0;
}
int chv_plane_check_rotation(const struct intel_plane_state *plane_state)
{
struct intel_plane *plane = to_intel_plane(plane_state->base.plane);
struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
unsigned int rotation = plane_state->base.rotation;
/* CHV ignores the mirror bit when the rotate bit is set :( */
if (IS_CHERRYVIEW(dev_priv) &&
rotation & DRM_MODE_ROTATE_180 &&
rotation & DRM_MODE_REFLECT_X) {
DRM_DEBUG_KMS("Cannot rotate and reflect at the same time\n");
return -EINVAL;
}
return 0;
}
static int
vlv_sprite_check(struct intel_crtc_state *crtc_state,
struct intel_plane_state *plane_state)
{
int ret;
ret = chv_plane_check_rotation(plane_state);
if (ret)
return ret;
ret = drm_atomic_helper_check_plane_state(&plane_state->base,
&crtc_state->base,
DRM_PLANE_HELPER_NO_SCALING,
DRM_PLANE_HELPER_NO_SCALING,
true, true);
if (ret)
return ret;
ret = i9xx_check_plane_surface(plane_state);
if (ret)
return ret;
if (!plane_state->base.visible)
return 0;
ret = intel_plane_check_src_coordinates(plane_state);
if (ret)
return ret;
plane_state->ctl = vlv_sprite_ctl(crtc_state, plane_state);
return 0;
}
static int skl_plane_check_fb(const struct intel_crtc_state *crtc_state,
const struct intel_plane_state *plane_state)
{
struct intel_plane *plane = to_intel_plane(plane_state->base.plane);
struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
const struct drm_framebuffer *fb = plane_state->base.fb;
unsigned int rotation = plane_state->base.rotation;
struct drm_format_name_buf format_name;
if (!fb)
return 0;
if (rotation & ~(DRM_MODE_ROTATE_0 | DRM_MODE_ROTATE_180) &&
is_ccs_modifier(fb->modifier)) {
DRM_DEBUG_KMS("RC support only with 0/180 degree rotation (%x)\n",
rotation);
return -EINVAL;
}
if (rotation & DRM_MODE_REFLECT_X &&
fb->modifier == DRM_FORMAT_MOD_LINEAR) {
DRM_DEBUG_KMS("horizontal flip is not supported with linear surface formats\n");
return -EINVAL;
}
if (drm_rotation_90_or_270(rotation)) {
if (fb->modifier != I915_FORMAT_MOD_Y_TILED &&
fb->modifier != I915_FORMAT_MOD_Yf_TILED) {
DRM_DEBUG_KMS("Y/Yf tiling required for 90/270!\n");
return -EINVAL;
}
/*
* 90/270 is not allowed with RGB64 16:16:16:16 and
* Indexed 8-bit. RGB 16-bit 5:6:5 is allowed gen11 onwards.
*/
switch (fb->format->format) {
case DRM_FORMAT_RGB565:
if (INTEL_GEN(dev_priv) >= 11)
break;
/* fall through */
case DRM_FORMAT_C8:
case DRM_FORMAT_XRGB16161616F:
case DRM_FORMAT_XBGR16161616F:
case DRM_FORMAT_ARGB16161616F:
case DRM_FORMAT_ABGR16161616F:
case DRM_FORMAT_Y210:
case DRM_FORMAT_Y212:
case DRM_FORMAT_Y216:
case DRM_FORMAT_XVYU12_16161616:
case DRM_FORMAT_XVYU16161616:
DRM_DEBUG_KMS("Unsupported pixel format %s for 90/270!\n",
drm_get_format_name(fb->format->format,
&format_name));
return -EINVAL;
default:
break;
}
}
/* Y-tiling is not supported in IF-ID Interlace mode */
if (crtc_state->base.enable &&
crtc_state->base.adjusted_mode.flags & DRM_MODE_FLAG_INTERLACE &&
(fb->modifier == I915_FORMAT_MOD_Y_TILED ||
fb->modifier == I915_FORMAT_MOD_Yf_TILED ||
fb->modifier == I915_FORMAT_MOD_Y_TILED_CCS ||
fb->modifier == I915_FORMAT_MOD_Yf_TILED_CCS)) {
DRM_DEBUG_KMS("Y/Yf tiling not supported in IF-ID mode\n");
return -EINVAL;
}
return 0;
}
static int skl_plane_check_dst_coordinates(const struct intel_crtc_state *crtc_state,
const struct intel_plane_state *plane_state)
{
struct drm_i915_private *dev_priv =
to_i915(plane_state->base.plane->dev);
int crtc_x = plane_state->base.dst.x1;
int crtc_w = drm_rect_width(&plane_state->base.dst);
int pipe_src_w = crtc_state->pipe_src_w;
/*
* Display WA #1175: cnl,glk
* Planes other than the cursor may cause FIFO underflow and display
* corruption if starting less than 4 pixels from the right edge of
* the screen.
* Besides the above WA fix the similar problem, where planes other
* than the cursor ending less than 4 pixels from the left edge of the
* screen may cause FIFO underflow and display corruption.
*/
if ((IS_GEMINILAKE(dev_priv) || IS_CANNONLAKE(dev_priv)) &&
(crtc_x + crtc_w < 4 || crtc_x > pipe_src_w - 4)) {
DRM_DEBUG_KMS("requested plane X %s position %d invalid (valid range %d-%d)\n",
crtc_x + crtc_w < 4 ? "end" : "start",
crtc_x + crtc_w < 4 ? crtc_x + crtc_w : crtc_x,
4, pipe_src_w - 4);
return -ERANGE;
}
return 0;
}
static int skl_plane_check_nv12_rotation(const struct intel_plane_state *plane_state)
{
const struct drm_framebuffer *fb = plane_state->base.fb;
unsigned int rotation = plane_state->base.rotation;
int src_w = drm_rect_width(&plane_state->base.src) >> 16;
/* Display WA #1106 */
if (drm_format_info_is_yuv_semiplanar(fb->format) && src_w & 3 &&
(rotation == DRM_MODE_ROTATE_270 ||
rotation == (DRM_MODE_REFLECT_X | DRM_MODE_ROTATE_90))) {
DRM_DEBUG_KMS("src width must be multiple of 4 for rotated planar YUV\n");
return -EINVAL;
}
return 0;
}
static int skl_plane_max_scale(struct drm_i915_private *dev_priv,
const struct drm_framebuffer *fb)
{
/*
* We don't yet know the final source width nor
* whether we can use the HQ scaler mode. Assume
* the best case.
* FIXME need to properly check this later.
*/
if (INTEL_GEN(dev_priv) >= 10 || IS_GEMINILAKE(dev_priv) ||
!drm_format_info_is_yuv_semiplanar(fb->format))
return 0x30000 - 1;
else
return 0x20000 - 1;
}
static int skl_plane_check(struct intel_crtc_state *crtc_state,
struct intel_plane_state *plane_state)
{
struct intel_plane *plane = to_intel_plane(plane_state->base.plane);
struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
const struct drm_framebuffer *fb = plane_state->base.fb;
int min_scale = DRM_PLANE_HELPER_NO_SCALING;
int max_scale = DRM_PLANE_HELPER_NO_SCALING;
int ret;
ret = skl_plane_check_fb(crtc_state, plane_state);
if (ret)
return ret;
/* use scaler when colorkey is not required */
if (!plane_state->ckey.flags && intel_fb_scalable(fb)) {
min_scale = 1;
max_scale = skl_plane_max_scale(dev_priv, fb);
}
ret = drm_atomic_helper_check_plane_state(&plane_state->base,
&crtc_state->base,
min_scale, max_scale,
true, true);
if (ret)
return ret;
ret = skl_check_plane_surface(plane_state);
if (ret)
return ret;
if (!plane_state->base.visible)
return 0;
ret = skl_plane_check_dst_coordinates(crtc_state, plane_state);
if (ret)
return ret;
ret = intel_plane_check_src_coordinates(plane_state);
if (ret)
return ret;
ret = skl_plane_check_nv12_rotation(plane_state);
if (ret)
return ret;
/* HW only has 8 bits pixel precision, disable plane if invisible */
if (!(plane_state->base.alpha >> 8))
plane_state->base.visible = false;
plane_state->ctl = skl_plane_ctl(crtc_state, plane_state);
if (INTEL_GEN(dev_priv) >= 10 || IS_GEMINILAKE(dev_priv))
plane_state->color_ctl = glk_plane_color_ctl(crtc_state,
plane_state);
return 0;
}
static bool has_dst_key_in_primary_plane(struct drm_i915_private *dev_priv)
{
return INTEL_GEN(dev_priv) >= 9;
}
static void intel_plane_set_ckey(struct intel_plane_state *plane_state,
const struct drm_intel_sprite_colorkey *set)
{
struct intel_plane *plane = to_intel_plane(plane_state->base.plane);
struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
struct drm_intel_sprite_colorkey *key = &plane_state->ckey;
*key = *set;
/*
* We want src key enabled on the
* sprite and not on the primary.
*/
if (plane->id == PLANE_PRIMARY &&
set->flags & I915_SET_COLORKEY_SOURCE)
key->flags = 0;
/*
* On SKL+ we want dst key enabled on
* the primary and not on the sprite.
*/
if (INTEL_GEN(dev_priv) >= 9 && plane->id != PLANE_PRIMARY &&
set->flags & I915_SET_COLORKEY_DESTINATION)
key->flags = 0;
}
int intel_sprite_set_colorkey_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
struct drm_i915_private *dev_priv = to_i915(dev);
struct drm_intel_sprite_colorkey *set = data;
struct drm_plane *plane;
struct drm_plane_state *plane_state;
struct drm_atomic_state *state;
struct drm_modeset_acquire_ctx ctx;
int ret = 0;
/* ignore the pointless "none" flag */
set->flags &= ~I915_SET_COLORKEY_NONE;
if (set->flags & ~(I915_SET_COLORKEY_DESTINATION | I915_SET_COLORKEY_SOURCE))
return -EINVAL;
/* Make sure we don't try to enable both src & dest simultaneously */
if ((set->flags & (I915_SET_COLORKEY_DESTINATION | I915_SET_COLORKEY_SOURCE)) == (I915_SET_COLORKEY_DESTINATION | I915_SET_COLORKEY_SOURCE))
return -EINVAL;
if ((IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) &&
set->flags & I915_SET_COLORKEY_DESTINATION)
return -EINVAL;
plane = drm_plane_find(dev, file_priv, set->plane_id);
if (!plane || plane->type != DRM_PLANE_TYPE_OVERLAY)
return -ENOENT;
/*
* SKL+ only plane 2 can do destination keying against plane 1.
* Also multiple planes can't do destination keying on the same
* pipe simultaneously.
*/
if (INTEL_GEN(dev_priv) >= 9 &&
to_intel_plane(plane)->id >= PLANE_SPRITE1 &&
set->flags & I915_SET_COLORKEY_DESTINATION)
return -EINVAL;
drm_modeset_acquire_init(&ctx, 0);
state = drm_atomic_state_alloc(plane->dev);
if (!state) {
ret = -ENOMEM;
goto out;
}
state->acquire_ctx = &ctx;
while (1) {
plane_state = drm_atomic_get_plane_state(state, plane);
ret = PTR_ERR_OR_ZERO(plane_state);
if (!ret)
intel_plane_set_ckey(to_intel_plane_state(plane_state), set);
/*
* On some platforms we have to configure
* the dst colorkey on the primary plane.
*/
if (!ret && has_dst_key_in_primary_plane(dev_priv)) {
struct intel_crtc *crtc =
intel_get_crtc_for_pipe(dev_priv,
to_intel_plane(plane)->pipe);
plane_state = drm_atomic_get_plane_state(state,
crtc->base.primary);
ret = PTR_ERR_OR_ZERO(plane_state);
if (!ret)
intel_plane_set_ckey(to_intel_plane_state(plane_state), set);
}
if (!ret)
ret = drm_atomic_commit(state);
if (ret != -EDEADLK)
break;
drm_atomic_state_clear(state);
drm_modeset_backoff(&ctx);
}
drm_atomic_state_put(state);
out:
drm_modeset_drop_locks(&ctx);
drm_modeset_acquire_fini(&ctx);
return ret;
}
static const u32 g4x_plane_formats[] = {
DRM_FORMAT_XRGB8888,
DRM_FORMAT_YUYV,
DRM_FORMAT_YVYU,
DRM_FORMAT_UYVY,
DRM_FORMAT_VYUY,
};
static const u64 i9xx_plane_format_modifiers[] = {
I915_FORMAT_MOD_X_TILED,
DRM_FORMAT_MOD_LINEAR,
DRM_FORMAT_MOD_INVALID
};
static const u32 snb_plane_formats[] = {
DRM_FORMAT_XRGB8888,
DRM_FORMAT_XBGR8888,
DRM_FORMAT_XRGB16161616F,
DRM_FORMAT_XBGR16161616F,
DRM_FORMAT_YUYV,
DRM_FORMAT_YVYU,
DRM_FORMAT_UYVY,
DRM_FORMAT_VYUY,
};
static const u32 vlv_plane_formats[] = {
DRM_FORMAT_RGB565,
DRM_FORMAT_ABGR8888,
DRM_FORMAT_ARGB8888,
DRM_FORMAT_XBGR8888,
DRM_FORMAT_XRGB8888,
DRM_FORMAT_XBGR2101010,
DRM_FORMAT_ABGR2101010,
DRM_FORMAT_YUYV,
DRM_FORMAT_YVYU,
DRM_FORMAT_UYVY,
DRM_FORMAT_VYUY,
};
static const u32 skl_plane_formats[] = {
DRM_FORMAT_C8,
DRM_FORMAT_RGB565,
DRM_FORMAT_XRGB8888,
DRM_FORMAT_XBGR8888,
DRM_FORMAT_ARGB8888,
DRM_FORMAT_ABGR8888,
DRM_FORMAT_XRGB2101010,
DRM_FORMAT_XBGR2101010,
DRM_FORMAT_XRGB16161616F,
DRM_FORMAT_XBGR16161616F,
DRM_FORMAT_YUYV,
DRM_FORMAT_YVYU,
DRM_FORMAT_UYVY,
DRM_FORMAT_VYUY,
};
static const u32 skl_planar_formats[] = {
DRM_FORMAT_C8,
DRM_FORMAT_RGB565,
DRM_FORMAT_XRGB8888,
DRM_FORMAT_XBGR8888,
DRM_FORMAT_ARGB8888,
DRM_FORMAT_ABGR8888,
DRM_FORMAT_XRGB2101010,
DRM_FORMAT_XBGR2101010,
DRM_FORMAT_XRGB16161616F,
DRM_FORMAT_XBGR16161616F,
DRM_FORMAT_YUYV,
DRM_FORMAT_YVYU,
DRM_FORMAT_UYVY,
DRM_FORMAT_VYUY,
DRM_FORMAT_NV12,
};
static const u32 glk_planar_formats[] = {
DRM_FORMAT_C8,
DRM_FORMAT_RGB565,
DRM_FORMAT_XRGB8888,
DRM_FORMAT_XBGR8888,
DRM_FORMAT_ARGB8888,
DRM_FORMAT_ABGR8888,
DRM_FORMAT_XRGB2101010,
DRM_FORMAT_XBGR2101010,
DRM_FORMAT_XRGB16161616F,
DRM_FORMAT_XBGR16161616F,
DRM_FORMAT_YUYV,
DRM_FORMAT_YVYU,
DRM_FORMAT_UYVY,
DRM_FORMAT_VYUY,
DRM_FORMAT_NV12,
DRM_FORMAT_P010,
DRM_FORMAT_P012,
DRM_FORMAT_P016,
};
static const u32 icl_sdr_y_plane_formats[] = {
DRM_FORMAT_C8,
DRM_FORMAT_RGB565,
DRM_FORMAT_XRGB8888,
DRM_FORMAT_XBGR8888,
DRM_FORMAT_ARGB8888,
DRM_FORMAT_ABGR8888,
DRM_FORMAT_XRGB2101010,
DRM_FORMAT_XBGR2101010,
DRM_FORMAT_YUYV,
DRM_FORMAT_YVYU,
DRM_FORMAT_UYVY,
DRM_FORMAT_VYUY,
DRM_FORMAT_Y210,
DRM_FORMAT_Y212,
DRM_FORMAT_Y216,
DRM_FORMAT_XVYU2101010,
DRM_FORMAT_XVYU12_16161616,
DRM_FORMAT_XVYU16161616,
};
static const u32 icl_sdr_uv_plane_formats[] = {
DRM_FORMAT_C8,
DRM_FORMAT_RGB565,
DRM_FORMAT_XRGB8888,
DRM_FORMAT_XBGR8888,
DRM_FORMAT_ARGB8888,
DRM_FORMAT_ABGR8888,
DRM_FORMAT_XRGB2101010,
DRM_FORMAT_XBGR2101010,
DRM_FORMAT_YUYV,
DRM_FORMAT_YVYU,
DRM_FORMAT_UYVY,
DRM_FORMAT_VYUY,
DRM_FORMAT_NV12,
DRM_FORMAT_P010,
DRM_FORMAT_P012,
DRM_FORMAT_P016,
DRM_FORMAT_Y210,
DRM_FORMAT_Y212,
DRM_FORMAT_Y216,
DRM_FORMAT_XVYU2101010,
DRM_FORMAT_XVYU12_16161616,
DRM_FORMAT_XVYU16161616,
};
static const u32 icl_hdr_plane_formats[] = {
DRM_FORMAT_C8,
DRM_FORMAT_RGB565,
DRM_FORMAT_XRGB8888,
DRM_FORMAT_XBGR8888,
DRM_FORMAT_ARGB8888,
DRM_FORMAT_ABGR8888,
DRM_FORMAT_XRGB2101010,
DRM_FORMAT_XBGR2101010,
DRM_FORMAT_XRGB16161616F,
DRM_FORMAT_XBGR16161616F,
DRM_FORMAT_ARGB16161616F,
DRM_FORMAT_ABGR16161616F,
DRM_FORMAT_YUYV,
DRM_FORMAT_YVYU,
DRM_FORMAT_UYVY,
DRM_FORMAT_VYUY,
DRM_FORMAT_NV12,
DRM_FORMAT_P010,
DRM_FORMAT_P012,
DRM_FORMAT_P016,
DRM_FORMAT_Y210,
DRM_FORMAT_Y212,
DRM_FORMAT_Y216,
DRM_FORMAT_XVYU2101010,
DRM_FORMAT_XVYU12_16161616,
DRM_FORMAT_XVYU16161616,
};
static const u64 skl_plane_format_modifiers_noccs[] = {
I915_FORMAT_MOD_Yf_TILED,
I915_FORMAT_MOD_Y_TILED,
I915_FORMAT_MOD_X_TILED,
DRM_FORMAT_MOD_LINEAR,
DRM_FORMAT_MOD_INVALID
};
static const u64 skl_plane_format_modifiers_ccs[] = {
I915_FORMAT_MOD_Yf_TILED_CCS,
I915_FORMAT_MOD_Y_TILED_CCS,
I915_FORMAT_MOD_Yf_TILED,
I915_FORMAT_MOD_Y_TILED,
I915_FORMAT_MOD_X_TILED,
DRM_FORMAT_MOD_LINEAR,
DRM_FORMAT_MOD_INVALID
};
static const u64 gen12_plane_format_modifiers_noccs[] = {
I915_FORMAT_MOD_Y_TILED,
I915_FORMAT_MOD_X_TILED,
DRM_FORMAT_MOD_LINEAR,
DRM_FORMAT_MOD_INVALID
};
static bool g4x_sprite_format_mod_supported(struct drm_plane *_plane,
u32 format, u64 modifier)
{
switch (modifier) {
case DRM_FORMAT_MOD_LINEAR:
case I915_FORMAT_MOD_X_TILED:
break;
default:
return false;
}
switch (format) {
case DRM_FORMAT_XRGB8888:
case DRM_FORMAT_YUYV:
case DRM_FORMAT_YVYU:
case DRM_FORMAT_UYVY:
case DRM_FORMAT_VYUY:
if (modifier == DRM_FORMAT_MOD_LINEAR ||
modifier == I915_FORMAT_MOD_X_TILED)
return true;
/* fall through */
default:
return false;
}
}
static bool snb_sprite_format_mod_supported(struct drm_plane *_plane,
u32 format, u64 modifier)
{
switch (modifier) {
case DRM_FORMAT_MOD_LINEAR:
case I915_FORMAT_MOD_X_TILED:
break;
default:
return false;
}
switch (format) {
case DRM_FORMAT_XRGB8888:
case DRM_FORMAT_XBGR8888:
case DRM_FORMAT_XRGB16161616F:
case DRM_FORMAT_XBGR16161616F:
case DRM_FORMAT_YUYV:
case DRM_FORMAT_YVYU:
case DRM_FORMAT_UYVY:
case DRM_FORMAT_VYUY:
if (modifier == DRM_FORMAT_MOD_LINEAR ||
modifier == I915_FORMAT_MOD_X_TILED)
return true;
/* fall through */
default:
return false;
}
}
static bool vlv_sprite_format_mod_supported(struct drm_plane *_plane,
u32 format, u64 modifier)
{
switch (modifier) {
case DRM_FORMAT_MOD_LINEAR:
case I915_FORMAT_MOD_X_TILED:
break;
default:
return false;
}
switch (format) {
case DRM_FORMAT_RGB565:
case DRM_FORMAT_ABGR8888:
case DRM_FORMAT_ARGB8888:
case DRM_FORMAT_XBGR8888:
case DRM_FORMAT_XRGB8888:
case DRM_FORMAT_XBGR2101010:
case DRM_FORMAT_ABGR2101010:
case DRM_FORMAT_YUYV:
case DRM_FORMAT_YVYU:
case DRM_FORMAT_UYVY:
case DRM_FORMAT_VYUY:
if (modifier == DRM_FORMAT_MOD_LINEAR ||
modifier == I915_FORMAT_MOD_X_TILED)
return true;
/* fall through */
default:
return false;
}
}
static bool skl_plane_format_mod_supported(struct drm_plane *_plane,
u32 format, u64 modifier)
{
struct intel_plane *plane = to_intel_plane(_plane);
switch (modifier) {
case DRM_FORMAT_MOD_LINEAR:
case I915_FORMAT_MOD_X_TILED:
case I915_FORMAT_MOD_Y_TILED:
case I915_FORMAT_MOD_Yf_TILED:
break;
case I915_FORMAT_MOD_Y_TILED_CCS:
case I915_FORMAT_MOD_Yf_TILED_CCS:
if (!plane->has_ccs)
return false;
break;
default:
return false;
}
switch (format) {
case DRM_FORMAT_XRGB8888:
case DRM_FORMAT_XBGR8888:
case DRM_FORMAT_ARGB8888:
case DRM_FORMAT_ABGR8888:
if (is_ccs_modifier(modifier))
return true;
/* fall through */
case DRM_FORMAT_RGB565:
case DRM_FORMAT_XRGB2101010:
case DRM_FORMAT_XBGR2101010:
case DRM_FORMAT_YUYV:
case DRM_FORMAT_YVYU:
case DRM_FORMAT_UYVY:
case DRM_FORMAT_VYUY:
case DRM_FORMAT_NV12:
case DRM_FORMAT_P010:
case DRM_FORMAT_P012:
case DRM_FORMAT_P016:
case DRM_FORMAT_XVYU2101010:
if (modifier == I915_FORMAT_MOD_Yf_TILED)
return true;
/* fall through */
case DRM_FORMAT_C8:
case DRM_FORMAT_XBGR16161616F:
case DRM_FORMAT_ABGR16161616F:
case DRM_FORMAT_XRGB16161616F:
case DRM_FORMAT_ARGB16161616F:
case DRM_FORMAT_Y210:
case DRM_FORMAT_Y212:
case DRM_FORMAT_Y216:
case DRM_FORMAT_XVYU12_16161616:
case DRM_FORMAT_XVYU16161616:
if (modifier == DRM_FORMAT_MOD_LINEAR ||
modifier == I915_FORMAT_MOD_X_TILED ||
modifier == I915_FORMAT_MOD_Y_TILED)
return true;
/* fall through */
default:
return false;
}
}
static bool gen12_plane_format_mod_supported(struct drm_plane *_plane,
u32 format, u64 modifier)
{
switch (modifier) {
case DRM_FORMAT_MOD_LINEAR:
case I915_FORMAT_MOD_X_TILED:
case I915_FORMAT_MOD_Y_TILED:
break;
default:
return false;
}
switch (format) {
case DRM_FORMAT_XRGB8888:
case DRM_FORMAT_XBGR8888:
case DRM_FORMAT_ARGB8888:
case DRM_FORMAT_ABGR8888:
case DRM_FORMAT_RGB565:
case DRM_FORMAT_XRGB2101010:
case DRM_FORMAT_XBGR2101010:
case DRM_FORMAT_YUYV:
case DRM_FORMAT_YVYU:
case DRM_FORMAT_UYVY:
case DRM_FORMAT_VYUY:
case DRM_FORMAT_NV12:
case DRM_FORMAT_P010:
case DRM_FORMAT_P012:
case DRM_FORMAT_P016:
case DRM_FORMAT_XVYU2101010:
case DRM_FORMAT_C8:
case DRM_FORMAT_XBGR16161616F:
case DRM_FORMAT_ABGR16161616F:
case DRM_FORMAT_XRGB16161616F:
case DRM_FORMAT_ARGB16161616F:
case DRM_FORMAT_Y210:
case DRM_FORMAT_Y212:
case DRM_FORMAT_Y216:
case DRM_FORMAT_XVYU12_16161616:
case DRM_FORMAT_XVYU16161616:
if (modifier == DRM_FORMAT_MOD_LINEAR ||
modifier == I915_FORMAT_MOD_X_TILED ||
modifier == I915_FORMAT_MOD_Y_TILED)
return true;
/* fall through */
default:
return false;
}
}
static const struct drm_plane_funcs g4x_sprite_funcs = {
.update_plane = drm_atomic_helper_update_plane,
.disable_plane = drm_atomic_helper_disable_plane,
.destroy = intel_plane_destroy,
.atomic_duplicate_state = intel_plane_duplicate_state,
.atomic_destroy_state = intel_plane_destroy_state,
.format_mod_supported = g4x_sprite_format_mod_supported,
};
static const struct drm_plane_funcs snb_sprite_funcs = {
.update_plane = drm_atomic_helper_update_plane,
.disable_plane = drm_atomic_helper_disable_plane,
.destroy = intel_plane_destroy,
.atomic_duplicate_state = intel_plane_duplicate_state,
.atomic_destroy_state = intel_plane_destroy_state,
.format_mod_supported = snb_sprite_format_mod_supported,
};
static const struct drm_plane_funcs vlv_sprite_funcs = {
.update_plane = drm_atomic_helper_update_plane,
.disable_plane = drm_atomic_helper_disable_plane,
.destroy = intel_plane_destroy,
.atomic_duplicate_state = intel_plane_duplicate_state,
.atomic_destroy_state = intel_plane_destroy_state,
.format_mod_supported = vlv_sprite_format_mod_supported,
};
static const struct drm_plane_funcs skl_plane_funcs = {
.update_plane = drm_atomic_helper_update_plane,
.disable_plane = drm_atomic_helper_disable_plane,
.destroy = intel_plane_destroy,
.atomic_duplicate_state = intel_plane_duplicate_state,
.atomic_destroy_state = intel_plane_destroy_state,
.format_mod_supported = skl_plane_format_mod_supported,
};
static const struct drm_plane_funcs gen12_plane_funcs = {
.update_plane = drm_atomic_helper_update_plane,
.disable_plane = drm_atomic_helper_disable_plane,
.destroy = intel_plane_destroy,
.atomic_duplicate_state = intel_plane_duplicate_state,
.atomic_destroy_state = intel_plane_destroy_state,
.format_mod_supported = gen12_plane_format_mod_supported,
};
static bool skl_plane_has_fbc(struct drm_i915_private *dev_priv,
enum pipe pipe, enum plane_id plane_id)
{
if (!HAS_FBC(dev_priv))
return false;
return pipe == PIPE_A && plane_id == PLANE_PRIMARY;
}
static bool skl_plane_has_planar(struct drm_i915_private *dev_priv,
enum pipe pipe, enum plane_id plane_id)
{
/* Display WA #0870: skl, bxt */
if (IS_SKYLAKE(dev_priv) || IS_BROXTON(dev_priv))
return false;
if (IS_GEN(dev_priv, 9) && !IS_GEMINILAKE(dev_priv) && pipe == PIPE_C)
return false;
if (plane_id != PLANE_PRIMARY && plane_id != PLANE_SPRITE0)
return false;
return true;
}
static const u32 *skl_get_plane_formats(struct drm_i915_private *dev_priv,
enum pipe pipe, enum plane_id plane_id,
int *num_formats)
{
if (skl_plane_has_planar(dev_priv, pipe, plane_id)) {
*num_formats = ARRAY_SIZE(skl_planar_formats);
return skl_planar_formats;
} else {
*num_formats = ARRAY_SIZE(skl_plane_formats);
return skl_plane_formats;
}
}
static const u32 *glk_get_plane_formats(struct drm_i915_private *dev_priv,
enum pipe pipe, enum plane_id plane_id,
int *num_formats)
{
if (skl_plane_has_planar(dev_priv, pipe, plane_id)) {
*num_formats = ARRAY_SIZE(glk_planar_formats);
return glk_planar_formats;
} else {
*num_formats = ARRAY_SIZE(skl_plane_formats);
return skl_plane_formats;
}
}
static const u32 *icl_get_plane_formats(struct drm_i915_private *dev_priv,
enum pipe pipe, enum plane_id plane_id,
int *num_formats)
{
if (icl_is_hdr_plane(dev_priv, plane_id)) {
*num_formats = ARRAY_SIZE(icl_hdr_plane_formats);
return icl_hdr_plane_formats;
} else if (icl_is_nv12_y_plane(plane_id)) {
*num_formats = ARRAY_SIZE(icl_sdr_y_plane_formats);
return icl_sdr_y_plane_formats;
} else {
*num_formats = ARRAY_SIZE(icl_sdr_uv_plane_formats);
return icl_sdr_uv_plane_formats;
}
}
static bool skl_plane_has_ccs(struct drm_i915_private *dev_priv,
enum pipe pipe, enum plane_id plane_id)
{
if (plane_id == PLANE_CURSOR)
return false;
if (INTEL_GEN(dev_priv) >= 10)
return true;
if (IS_GEMINILAKE(dev_priv))
return pipe != PIPE_C;
return pipe != PIPE_C &&
(plane_id == PLANE_PRIMARY ||
plane_id == PLANE_SPRITE0);
}
struct intel_plane *
skl_universal_plane_create(struct drm_i915_private *dev_priv,
enum pipe pipe, enum plane_id plane_id)
{
static const struct drm_plane_funcs *plane_funcs;
struct intel_plane *plane;
enum drm_plane_type plane_type;
unsigned int supported_rotations;
unsigned int possible_crtcs;
const u64 *modifiers;
const u32 *formats;
int num_formats;
int ret;
plane = intel_plane_alloc();
if (IS_ERR(plane))
return plane;
plane->pipe = pipe;
plane->id = plane_id;
plane->frontbuffer_bit = INTEL_FRONTBUFFER(pipe, plane_id);
plane->has_fbc = skl_plane_has_fbc(dev_priv, pipe, plane_id);
if (plane->has_fbc) {
struct intel_fbc *fbc = &dev_priv->fbc;
fbc->possible_framebuffer_bits |= plane->frontbuffer_bit;
}
plane->max_stride = skl_plane_max_stride;
plane->update_plane = skl_update_plane;
plane->disable_plane = skl_disable_plane;
plane->get_hw_state = skl_plane_get_hw_state;
plane->check_plane = skl_plane_check;
plane->min_cdclk = skl_plane_min_cdclk;
if (icl_is_nv12_y_plane(plane_id))
plane->update_slave = icl_update_slave;
if (INTEL_GEN(dev_priv) >= 11)
formats = icl_get_plane_formats(dev_priv, pipe,
plane_id, &num_formats);
else if (INTEL_GEN(dev_priv) >= 10 || IS_GEMINILAKE(dev_priv))
formats = glk_get_plane_formats(dev_priv, pipe,
plane_id, &num_formats);
else
formats = skl_get_plane_formats(dev_priv, pipe,
plane_id, &num_formats);
if (INTEL_GEN(dev_priv) >= 12) {
/* TODO: Implement support for gen-12 CCS modifiers */
plane->has_ccs = false;
modifiers = gen12_plane_format_modifiers_noccs;
plane_funcs = &gen12_plane_funcs;
} else {
plane->has_ccs = skl_plane_has_ccs(dev_priv, pipe, plane_id);
if (plane->has_ccs)
modifiers = skl_plane_format_modifiers_ccs;
else
modifiers = skl_plane_format_modifiers_noccs;
plane_funcs = &skl_plane_funcs;
}
if (plane_id == PLANE_PRIMARY)
plane_type = DRM_PLANE_TYPE_PRIMARY;
else
plane_type = DRM_PLANE_TYPE_OVERLAY;
possible_crtcs = BIT(pipe);
ret = drm_universal_plane_init(&dev_priv->drm, &plane->base,
possible_crtcs, plane_funcs,
formats, num_formats, modifiers,
plane_type,
"plane %d%c", plane_id + 1,
pipe_name(pipe));
if (ret)
goto fail;
supported_rotations =
DRM_MODE_ROTATE_0 | DRM_MODE_ROTATE_90 |
DRM_MODE_ROTATE_180 | DRM_MODE_ROTATE_270;
if (INTEL_GEN(dev_priv) >= 10)
supported_rotations |= DRM_MODE_REFLECT_X;
drm_plane_create_rotation_property(&plane->base,
DRM_MODE_ROTATE_0,
supported_rotations);
drm_plane_create_color_properties(&plane->base,
BIT(DRM_COLOR_YCBCR_BT601) |
BIT(DRM_COLOR_YCBCR_BT709),
BIT(DRM_COLOR_YCBCR_LIMITED_RANGE) |
BIT(DRM_COLOR_YCBCR_FULL_RANGE),
DRM_COLOR_YCBCR_BT709,
DRM_COLOR_YCBCR_LIMITED_RANGE);
drm_plane_create_alpha_property(&plane->base);
drm_plane_create_blend_mode_property(&plane->base,
BIT(DRM_MODE_BLEND_PIXEL_NONE) |
BIT(DRM_MODE_BLEND_PREMULTI) |
BIT(DRM_MODE_BLEND_COVERAGE));
drm_plane_create_zpos_immutable_property(&plane->base, plane_id);
drm_plane_helper_add(&plane->base, &intel_plane_helper_funcs);
return plane;
fail:
intel_plane_free(plane);
return ERR_PTR(ret);
}
struct intel_plane *
intel_sprite_plane_create(struct drm_i915_private *dev_priv,
enum pipe pipe, int sprite)
{
struct intel_plane *plane;
const struct drm_plane_funcs *plane_funcs;
unsigned long possible_crtcs;
unsigned int supported_rotations;
const u64 *modifiers;
const u32 *formats;
int num_formats;
int ret, zpos;
if (INTEL_GEN(dev_priv) >= 9)
return skl_universal_plane_create(dev_priv, pipe,
PLANE_SPRITE0 + sprite);
plane = intel_plane_alloc();
if (IS_ERR(plane))
return plane;
if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) {
plane->max_stride = i9xx_plane_max_stride;
plane->update_plane = vlv_update_plane;
plane->disable_plane = vlv_disable_plane;
plane->get_hw_state = vlv_plane_get_hw_state;
plane->check_plane = vlv_sprite_check;
plane->min_cdclk = vlv_plane_min_cdclk;
formats = vlv_plane_formats;
num_formats = ARRAY_SIZE(vlv_plane_formats);
modifiers = i9xx_plane_format_modifiers;
plane_funcs = &vlv_sprite_funcs;
} else if (INTEL_GEN(dev_priv) >= 7) {
plane->max_stride = g4x_sprite_max_stride;
plane->update_plane = ivb_update_plane;
plane->disable_plane = ivb_disable_plane;
plane->get_hw_state = ivb_plane_get_hw_state;
plane->check_plane = g4x_sprite_check;
if (IS_BROADWELL(dev_priv) || IS_HASWELL(dev_priv))
plane->min_cdclk = hsw_plane_min_cdclk;
else
plane->min_cdclk = ivb_sprite_min_cdclk;
formats = snb_plane_formats;
num_formats = ARRAY_SIZE(snb_plane_formats);
modifiers = i9xx_plane_format_modifiers;
plane_funcs = &snb_sprite_funcs;
} else {
plane->max_stride = g4x_sprite_max_stride;
plane->update_plane = g4x_update_plane;
plane->disable_plane = g4x_disable_plane;
plane->get_hw_state = g4x_plane_get_hw_state;
plane->check_plane = g4x_sprite_check;
plane->min_cdclk = g4x_sprite_min_cdclk;
modifiers = i9xx_plane_format_modifiers;
if (IS_GEN(dev_priv, 6)) {
formats = snb_plane_formats;
num_formats = ARRAY_SIZE(snb_plane_formats);
plane_funcs = &snb_sprite_funcs;
} else {
formats = g4x_plane_formats;
num_formats = ARRAY_SIZE(g4x_plane_formats);
plane_funcs = &g4x_sprite_funcs;
}
}
if (IS_CHERRYVIEW(dev_priv) && pipe == PIPE_B) {
supported_rotations =
DRM_MODE_ROTATE_0 | DRM_MODE_ROTATE_180 |
DRM_MODE_REFLECT_X;
} else {
supported_rotations =
DRM_MODE_ROTATE_0 | DRM_MODE_ROTATE_180;
}
plane->pipe = pipe;
plane->id = PLANE_SPRITE0 + sprite;
plane->frontbuffer_bit = INTEL_FRONTBUFFER(pipe, plane->id);
possible_crtcs = BIT(pipe);
ret = drm_universal_plane_init(&dev_priv->drm, &plane->base,
possible_crtcs, plane_funcs,
formats, num_formats, modifiers,
DRM_PLANE_TYPE_OVERLAY,
"sprite %c", sprite_name(pipe, sprite));
if (ret)
goto fail;
drm_plane_create_rotation_property(&plane->base,
DRM_MODE_ROTATE_0,
supported_rotations);
drm_plane_create_color_properties(&plane->base,
BIT(DRM_COLOR_YCBCR_BT601) |
BIT(DRM_COLOR_YCBCR_BT709),
BIT(DRM_COLOR_YCBCR_LIMITED_RANGE) |
BIT(DRM_COLOR_YCBCR_FULL_RANGE),
DRM_COLOR_YCBCR_BT709,
DRM_COLOR_YCBCR_LIMITED_RANGE);
zpos = sprite + 1;
drm_plane_create_zpos_immutable_property(&plane->base, zpos);
drm_plane_helper_add(&plane->base, &intel_plane_helper_funcs);
return plane;
fail:
intel_plane_free(plane);
return ERR_PTR(ret);
}
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