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![John Harrison](/assets/img/avatar_default.png)
Now that everything above has been converted to use requests, intel_ring_begin() can be updated to take a request instead of a ring. This also means that it no longer needs to lazily allocate a request if no-one happens to have done it earlier. For: VIZ-5115 Signed-off-by: John Harrison <John.C.Harrison@Intel.com> Reviewed-by: Tomas Elf <tomas.elf@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
1593 lines
40 KiB
C
1593 lines
40 KiB
C
/*
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* Copyright © 2009
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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* Authors:
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* Daniel Vetter <daniel@ffwll.ch>
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*
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* Derived from Xorg ddx, xf86-video-intel, src/i830_video.c
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*/
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#include <drm/drmP.h>
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#include <drm/i915_drm.h>
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#include "i915_drv.h"
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#include "i915_reg.h"
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#include "intel_drv.h"
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/* Limits for overlay size. According to intel doc, the real limits are:
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* Y width: 4095, UV width (planar): 2047, Y height: 2047,
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* UV width (planar): * 1023. But the xorg thinks 2048 for height and width. Use
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* the mininum of both. */
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#define IMAGE_MAX_WIDTH 2048
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#define IMAGE_MAX_HEIGHT 2046 /* 2 * 1023 */
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/* on 830 and 845 these large limits result in the card hanging */
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#define IMAGE_MAX_WIDTH_LEGACY 1024
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#define IMAGE_MAX_HEIGHT_LEGACY 1088
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/* overlay register definitions */
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/* OCMD register */
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#define OCMD_TILED_SURFACE (0x1<<19)
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#define OCMD_MIRROR_MASK (0x3<<17)
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#define OCMD_MIRROR_MODE (0x3<<17)
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#define OCMD_MIRROR_HORIZONTAL (0x1<<17)
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#define OCMD_MIRROR_VERTICAL (0x2<<17)
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#define OCMD_MIRROR_BOTH (0x3<<17)
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#define OCMD_BYTEORDER_MASK (0x3<<14) /* zero for YUYV or FOURCC YUY2 */
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#define OCMD_UV_SWAP (0x1<<14) /* YVYU */
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#define OCMD_Y_SWAP (0x2<<14) /* UYVY or FOURCC UYVY */
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#define OCMD_Y_AND_UV_SWAP (0x3<<14) /* VYUY */
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#define OCMD_SOURCE_FORMAT_MASK (0xf<<10)
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#define OCMD_RGB_888 (0x1<<10) /* not in i965 Intel docs */
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#define OCMD_RGB_555 (0x2<<10) /* not in i965 Intel docs */
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#define OCMD_RGB_565 (0x3<<10) /* not in i965 Intel docs */
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#define OCMD_YUV_422_PACKED (0x8<<10)
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#define OCMD_YUV_411_PACKED (0x9<<10) /* not in i965 Intel docs */
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#define OCMD_YUV_420_PLANAR (0xc<<10)
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#define OCMD_YUV_422_PLANAR (0xd<<10)
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#define OCMD_YUV_410_PLANAR (0xe<<10) /* also 411 */
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#define OCMD_TVSYNCFLIP_PARITY (0x1<<9)
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#define OCMD_TVSYNCFLIP_ENABLE (0x1<<7)
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#define OCMD_BUF_TYPE_MASK (0x1<<5)
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#define OCMD_BUF_TYPE_FRAME (0x0<<5)
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#define OCMD_BUF_TYPE_FIELD (0x1<<5)
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#define OCMD_TEST_MODE (0x1<<4)
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#define OCMD_BUFFER_SELECT (0x3<<2)
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#define OCMD_BUFFER0 (0x0<<2)
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#define OCMD_BUFFER1 (0x1<<2)
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#define OCMD_FIELD_SELECT (0x1<<2)
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#define OCMD_FIELD0 (0x0<<1)
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#define OCMD_FIELD1 (0x1<<1)
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#define OCMD_ENABLE (0x1<<0)
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/* OCONFIG register */
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#define OCONF_PIPE_MASK (0x1<<18)
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#define OCONF_PIPE_A (0x0<<18)
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#define OCONF_PIPE_B (0x1<<18)
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#define OCONF_GAMMA2_ENABLE (0x1<<16)
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#define OCONF_CSC_MODE_BT601 (0x0<<5)
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#define OCONF_CSC_MODE_BT709 (0x1<<5)
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#define OCONF_CSC_BYPASS (0x1<<4)
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#define OCONF_CC_OUT_8BIT (0x1<<3)
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#define OCONF_TEST_MODE (0x1<<2)
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#define OCONF_THREE_LINE_BUFFER (0x1<<0)
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#define OCONF_TWO_LINE_BUFFER (0x0<<0)
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/* DCLRKM (dst-key) register */
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#define DST_KEY_ENABLE (0x1<<31)
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#define CLK_RGB24_MASK 0x0
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#define CLK_RGB16_MASK 0x070307
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#define CLK_RGB15_MASK 0x070707
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#define CLK_RGB8I_MASK 0xffffff
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#define RGB16_TO_COLORKEY(c) \
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(((c & 0xF800) << 8) | ((c & 0x07E0) << 5) | ((c & 0x001F) << 3))
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#define RGB15_TO_COLORKEY(c) \
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(((c & 0x7c00) << 9) | ((c & 0x03E0) << 6) | ((c & 0x001F) << 3))
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/* overlay flip addr flag */
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#define OFC_UPDATE 0x1
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/* polyphase filter coefficients */
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#define N_HORIZ_Y_TAPS 5
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#define N_VERT_Y_TAPS 3
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#define N_HORIZ_UV_TAPS 3
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#define N_VERT_UV_TAPS 3
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#define N_PHASES 17
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#define MAX_TAPS 5
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/* memory bufferd overlay registers */
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struct overlay_registers {
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u32 OBUF_0Y;
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u32 OBUF_1Y;
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u32 OBUF_0U;
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u32 OBUF_0V;
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u32 OBUF_1U;
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u32 OBUF_1V;
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u32 OSTRIDE;
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u32 YRGB_VPH;
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u32 UV_VPH;
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u32 HORZ_PH;
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u32 INIT_PHS;
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u32 DWINPOS;
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u32 DWINSZ;
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u32 SWIDTH;
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u32 SWIDTHSW;
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u32 SHEIGHT;
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u32 YRGBSCALE;
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u32 UVSCALE;
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u32 OCLRC0;
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u32 OCLRC1;
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u32 DCLRKV;
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u32 DCLRKM;
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u32 SCLRKVH;
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u32 SCLRKVL;
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u32 SCLRKEN;
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u32 OCONFIG;
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u32 OCMD;
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u32 RESERVED1; /* 0x6C */
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u32 OSTART_0Y;
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u32 OSTART_1Y;
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u32 OSTART_0U;
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u32 OSTART_0V;
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u32 OSTART_1U;
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u32 OSTART_1V;
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u32 OTILEOFF_0Y;
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u32 OTILEOFF_1Y;
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u32 OTILEOFF_0U;
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u32 OTILEOFF_0V;
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u32 OTILEOFF_1U;
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u32 OTILEOFF_1V;
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u32 FASTHSCALE; /* 0xA0 */
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u32 UVSCALEV; /* 0xA4 */
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u32 RESERVEDC[(0x200 - 0xA8) / 4]; /* 0xA8 - 0x1FC */
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u16 Y_VCOEFS[N_VERT_Y_TAPS * N_PHASES]; /* 0x200 */
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u16 RESERVEDD[0x100 / 2 - N_VERT_Y_TAPS * N_PHASES];
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u16 Y_HCOEFS[N_HORIZ_Y_TAPS * N_PHASES]; /* 0x300 */
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u16 RESERVEDE[0x200 / 2 - N_HORIZ_Y_TAPS * N_PHASES];
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u16 UV_VCOEFS[N_VERT_UV_TAPS * N_PHASES]; /* 0x500 */
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u16 RESERVEDF[0x100 / 2 - N_VERT_UV_TAPS * N_PHASES];
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u16 UV_HCOEFS[N_HORIZ_UV_TAPS * N_PHASES]; /* 0x600 */
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u16 RESERVEDG[0x100 / 2 - N_HORIZ_UV_TAPS * N_PHASES];
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};
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struct intel_overlay {
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struct drm_device *dev;
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struct intel_crtc *crtc;
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struct drm_i915_gem_object *vid_bo;
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struct drm_i915_gem_object *old_vid_bo;
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bool active;
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bool pfit_active;
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u32 pfit_vscale_ratio; /* shifted-point number, (1<<12) == 1.0 */
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u32 color_key:24;
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u32 color_key_enabled:1;
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u32 brightness, contrast, saturation;
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u32 old_xscale, old_yscale;
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/* register access */
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u32 flip_addr;
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struct drm_i915_gem_object *reg_bo;
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/* flip handling */
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struct drm_i915_gem_request *last_flip_req;
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void (*flip_tail)(struct intel_overlay *);
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};
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static struct overlay_registers __iomem *
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intel_overlay_map_regs(struct intel_overlay *overlay)
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{
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struct drm_i915_private *dev_priv = overlay->dev->dev_private;
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struct overlay_registers __iomem *regs;
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if (OVERLAY_NEEDS_PHYSICAL(overlay->dev))
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regs = (struct overlay_registers __iomem *)overlay->reg_bo->phys_handle->vaddr;
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else
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regs = io_mapping_map_wc(dev_priv->gtt.mappable,
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i915_gem_obj_ggtt_offset(overlay->reg_bo));
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return regs;
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}
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static void intel_overlay_unmap_regs(struct intel_overlay *overlay,
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struct overlay_registers __iomem *regs)
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{
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if (!OVERLAY_NEEDS_PHYSICAL(overlay->dev))
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io_mapping_unmap(regs);
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}
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static int intel_overlay_do_wait_request(struct intel_overlay *overlay,
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struct drm_i915_gem_request *req,
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void (*tail)(struct intel_overlay *))
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{
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int ret;
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WARN_ON(overlay->last_flip_req);
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i915_gem_request_assign(&overlay->last_flip_req, req);
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i915_add_request(req);
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overlay->flip_tail = tail;
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ret = i915_wait_request(overlay->last_flip_req);
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if (ret)
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return ret;
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i915_gem_request_assign(&overlay->last_flip_req, NULL);
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return 0;
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}
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/* overlay needs to be disable in OCMD reg */
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static int intel_overlay_on(struct intel_overlay *overlay)
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{
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struct drm_device *dev = overlay->dev;
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struct drm_i915_private *dev_priv = dev->dev_private;
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struct intel_engine_cs *ring = &dev_priv->ring[RCS];
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struct drm_i915_gem_request *req;
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int ret;
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WARN_ON(overlay->active);
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WARN_ON(IS_I830(dev) && !(dev_priv->quirks & QUIRK_PIPEA_FORCE));
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ret = i915_gem_request_alloc(ring, ring->default_context, &req);
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if (ret)
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return ret;
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ret = intel_ring_begin(req, 4);
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if (ret) {
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i915_gem_request_cancel(req);
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return ret;
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}
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overlay->active = true;
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intel_ring_emit(ring, MI_OVERLAY_FLIP | MI_OVERLAY_ON);
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intel_ring_emit(ring, overlay->flip_addr | OFC_UPDATE);
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intel_ring_emit(ring, MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP);
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intel_ring_emit(ring, MI_NOOP);
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intel_ring_advance(ring);
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return intel_overlay_do_wait_request(overlay, req, NULL);
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}
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/* overlay needs to be enabled in OCMD reg */
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static int intel_overlay_continue(struct intel_overlay *overlay,
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bool load_polyphase_filter)
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{
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struct drm_device *dev = overlay->dev;
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struct drm_i915_private *dev_priv = dev->dev_private;
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struct intel_engine_cs *ring = &dev_priv->ring[RCS];
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struct drm_i915_gem_request *req;
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u32 flip_addr = overlay->flip_addr;
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u32 tmp;
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int ret;
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WARN_ON(!overlay->active);
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if (load_polyphase_filter)
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flip_addr |= OFC_UPDATE;
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/* check for underruns */
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tmp = I915_READ(DOVSTA);
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if (tmp & (1 << 17))
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DRM_DEBUG("overlay underrun, DOVSTA: %x\n", tmp);
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ret = i915_gem_request_alloc(ring, ring->default_context, &req);
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if (ret)
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return ret;
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ret = intel_ring_begin(req, 2);
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if (ret) {
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i915_gem_request_cancel(req);
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return ret;
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}
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intel_ring_emit(ring, MI_OVERLAY_FLIP | MI_OVERLAY_CONTINUE);
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intel_ring_emit(ring, flip_addr);
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intel_ring_advance(ring);
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WARN_ON(overlay->last_flip_req);
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i915_gem_request_assign(&overlay->last_flip_req, req);
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i915_add_request(req);
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return 0;
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}
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static void intel_overlay_release_old_vid_tail(struct intel_overlay *overlay)
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{
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struct drm_i915_gem_object *obj = overlay->old_vid_bo;
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i915_gem_object_ggtt_unpin(obj);
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drm_gem_object_unreference(&obj->base);
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overlay->old_vid_bo = NULL;
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}
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static void intel_overlay_off_tail(struct intel_overlay *overlay)
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{
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struct drm_i915_gem_object *obj = overlay->vid_bo;
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/* never have the overlay hw on without showing a frame */
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if (WARN_ON(!obj))
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return;
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i915_gem_object_ggtt_unpin(obj);
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drm_gem_object_unreference(&obj->base);
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overlay->vid_bo = NULL;
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overlay->crtc->overlay = NULL;
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overlay->crtc = NULL;
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overlay->active = false;
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}
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/* overlay needs to be disabled in OCMD reg */
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static int intel_overlay_off(struct intel_overlay *overlay)
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{
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struct drm_device *dev = overlay->dev;
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struct drm_i915_private *dev_priv = dev->dev_private;
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struct intel_engine_cs *ring = &dev_priv->ring[RCS];
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struct drm_i915_gem_request *req;
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u32 flip_addr = overlay->flip_addr;
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int ret;
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WARN_ON(!overlay->active);
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/* According to intel docs the overlay hw may hang (when switching
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* off) without loading the filter coeffs. It is however unclear whether
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* this applies to the disabling of the overlay or to the switching off
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* of the hw. Do it in both cases */
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flip_addr |= OFC_UPDATE;
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ret = i915_gem_request_alloc(ring, ring->default_context, &req);
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if (ret)
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return ret;
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ret = intel_ring_begin(req, 6);
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if (ret) {
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i915_gem_request_cancel(req);
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return ret;
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}
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/* wait for overlay to go idle */
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intel_ring_emit(ring, MI_OVERLAY_FLIP | MI_OVERLAY_CONTINUE);
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intel_ring_emit(ring, flip_addr);
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intel_ring_emit(ring, MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP);
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/* turn overlay off */
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if (IS_I830(dev)) {
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/* Workaround: Don't disable the overlay fully, since otherwise
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* it dies on the next OVERLAY_ON cmd. */
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intel_ring_emit(ring, MI_NOOP);
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intel_ring_emit(ring, MI_NOOP);
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intel_ring_emit(ring, MI_NOOP);
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} else {
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intel_ring_emit(ring, MI_OVERLAY_FLIP | MI_OVERLAY_OFF);
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intel_ring_emit(ring, flip_addr);
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intel_ring_emit(ring, MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP);
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}
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intel_ring_advance(ring);
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return intel_overlay_do_wait_request(overlay, req, intel_overlay_off_tail);
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}
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/* recover from an interruption due to a signal
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* We have to be careful not to repeat work forever an make forward progess. */
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static int intel_overlay_recover_from_interrupt(struct intel_overlay *overlay)
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{
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int ret;
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if (overlay->last_flip_req == NULL)
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return 0;
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ret = i915_wait_request(overlay->last_flip_req);
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if (ret)
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return ret;
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if (overlay->flip_tail)
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overlay->flip_tail(overlay);
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i915_gem_request_assign(&overlay->last_flip_req, NULL);
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return 0;
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}
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/* Wait for pending overlay flip and release old frame.
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* Needs to be called before the overlay register are changed
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* via intel_overlay_(un)map_regs
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*/
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static int intel_overlay_release_old_vid(struct intel_overlay *overlay)
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{
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struct drm_device *dev = overlay->dev;
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struct drm_i915_private *dev_priv = dev->dev_private;
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struct intel_engine_cs *ring = &dev_priv->ring[RCS];
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int ret;
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WARN_ON(!mutex_is_locked(&dev->struct_mutex));
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/* Only wait if there is actually an old frame to release to
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* guarantee forward progress.
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*/
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if (!overlay->old_vid_bo)
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return 0;
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if (I915_READ(ISR) & I915_OVERLAY_PLANE_FLIP_PENDING_INTERRUPT) {
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/* synchronous slowpath */
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struct drm_i915_gem_request *req;
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ret = i915_gem_request_alloc(ring, ring->default_context, &req);
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if (ret)
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return ret;
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ret = intel_ring_begin(req, 2);
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if (ret) {
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i915_gem_request_cancel(req);
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return ret;
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}
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intel_ring_emit(ring, MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP);
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intel_ring_emit(ring, MI_NOOP);
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intel_ring_advance(ring);
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ret = intel_overlay_do_wait_request(overlay, req,
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intel_overlay_release_old_vid_tail);
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if (ret)
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return ret;
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}
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intel_overlay_release_old_vid_tail(overlay);
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|
|
|
i915_gem_track_fb(overlay->old_vid_bo, NULL,
|
|
INTEL_FRONTBUFFER_OVERLAY(overlay->crtc->pipe));
|
|
return 0;
|
|
}
|
|
|
|
void intel_overlay_reset(struct drm_i915_private *dev_priv)
|
|
{
|
|
struct intel_overlay *overlay = dev_priv->overlay;
|
|
|
|
if (!overlay)
|
|
return;
|
|
|
|
intel_overlay_release_old_vid(overlay);
|
|
|
|
overlay->last_flip_req = NULL;
|
|
overlay->old_xscale = 0;
|
|
overlay->old_yscale = 0;
|
|
overlay->crtc = NULL;
|
|
overlay->active = false;
|
|
}
|
|
|
|
struct put_image_params {
|
|
int format;
|
|
short dst_x;
|
|
short dst_y;
|
|
short dst_w;
|
|
short dst_h;
|
|
short src_w;
|
|
short src_scan_h;
|
|
short src_scan_w;
|
|
short src_h;
|
|
short stride_Y;
|
|
short stride_UV;
|
|
int offset_Y;
|
|
int offset_U;
|
|
int offset_V;
|
|
};
|
|
|
|
static int packed_depth_bytes(u32 format)
|
|
{
|
|
switch (format & I915_OVERLAY_DEPTH_MASK) {
|
|
case I915_OVERLAY_YUV422:
|
|
return 4;
|
|
case I915_OVERLAY_YUV411:
|
|
/* return 6; not implemented */
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
}
|
|
|
|
static int packed_width_bytes(u32 format, short width)
|
|
{
|
|
switch (format & I915_OVERLAY_DEPTH_MASK) {
|
|
case I915_OVERLAY_YUV422:
|
|
return width << 1;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
}
|
|
|
|
static int uv_hsubsampling(u32 format)
|
|
{
|
|
switch (format & I915_OVERLAY_DEPTH_MASK) {
|
|
case I915_OVERLAY_YUV422:
|
|
case I915_OVERLAY_YUV420:
|
|
return 2;
|
|
case I915_OVERLAY_YUV411:
|
|
case I915_OVERLAY_YUV410:
|
|
return 4;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
}
|
|
|
|
static int uv_vsubsampling(u32 format)
|
|
{
|
|
switch (format & I915_OVERLAY_DEPTH_MASK) {
|
|
case I915_OVERLAY_YUV420:
|
|
case I915_OVERLAY_YUV410:
|
|
return 2;
|
|
case I915_OVERLAY_YUV422:
|
|
case I915_OVERLAY_YUV411:
|
|
return 1;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
}
|
|
|
|
static u32 calc_swidthsw(struct drm_device *dev, u32 offset, u32 width)
|
|
{
|
|
u32 mask, shift, ret;
|
|
if (IS_GEN2(dev)) {
|
|
mask = 0x1f;
|
|
shift = 5;
|
|
} else {
|
|
mask = 0x3f;
|
|
shift = 6;
|
|
}
|
|
ret = ((offset + width + mask) >> shift) - (offset >> shift);
|
|
if (!IS_GEN2(dev))
|
|
ret <<= 1;
|
|
ret -= 1;
|
|
return ret << 2;
|
|
}
|
|
|
|
static const u16 y_static_hcoeffs[N_HORIZ_Y_TAPS * N_PHASES] = {
|
|
0x3000, 0xb4a0, 0x1930, 0x1920, 0xb4a0,
|
|
0x3000, 0xb500, 0x19d0, 0x1880, 0xb440,
|
|
0x3000, 0xb540, 0x1a88, 0x2f80, 0xb3e0,
|
|
0x3000, 0xb580, 0x1b30, 0x2e20, 0xb380,
|
|
0x3000, 0xb5c0, 0x1bd8, 0x2cc0, 0xb320,
|
|
0x3020, 0xb5e0, 0x1c60, 0x2b80, 0xb2c0,
|
|
0x3020, 0xb5e0, 0x1cf8, 0x2a20, 0xb260,
|
|
0x3020, 0xb5e0, 0x1d80, 0x28e0, 0xb200,
|
|
0x3020, 0xb5c0, 0x1e08, 0x3f40, 0xb1c0,
|
|
0x3020, 0xb580, 0x1e78, 0x3ce0, 0xb160,
|
|
0x3040, 0xb520, 0x1ed8, 0x3aa0, 0xb120,
|
|
0x3040, 0xb4a0, 0x1f30, 0x3880, 0xb0e0,
|
|
0x3040, 0xb400, 0x1f78, 0x3680, 0xb0a0,
|
|
0x3020, 0xb340, 0x1fb8, 0x34a0, 0xb060,
|
|
0x3020, 0xb240, 0x1fe0, 0x32e0, 0xb040,
|
|
0x3020, 0xb140, 0x1ff8, 0x3160, 0xb020,
|
|
0xb000, 0x3000, 0x0800, 0x3000, 0xb000
|
|
};
|
|
|
|
static const u16 uv_static_hcoeffs[N_HORIZ_UV_TAPS * N_PHASES] = {
|
|
0x3000, 0x1800, 0x1800, 0xb000, 0x18d0, 0x2e60,
|
|
0xb000, 0x1990, 0x2ce0, 0xb020, 0x1a68, 0x2b40,
|
|
0xb040, 0x1b20, 0x29e0, 0xb060, 0x1bd8, 0x2880,
|
|
0xb080, 0x1c88, 0x3e60, 0xb0a0, 0x1d28, 0x3c00,
|
|
0xb0c0, 0x1db8, 0x39e0, 0xb0e0, 0x1e40, 0x37e0,
|
|
0xb100, 0x1eb8, 0x3620, 0xb100, 0x1f18, 0x34a0,
|
|
0xb100, 0x1f68, 0x3360, 0xb0e0, 0x1fa8, 0x3240,
|
|
0xb0c0, 0x1fe0, 0x3140, 0xb060, 0x1ff0, 0x30a0,
|
|
0x3000, 0x0800, 0x3000
|
|
};
|
|
|
|
static void update_polyphase_filter(struct overlay_registers __iomem *regs)
|
|
{
|
|
memcpy_toio(regs->Y_HCOEFS, y_static_hcoeffs, sizeof(y_static_hcoeffs));
|
|
memcpy_toio(regs->UV_HCOEFS, uv_static_hcoeffs,
|
|
sizeof(uv_static_hcoeffs));
|
|
}
|
|
|
|
static bool update_scaling_factors(struct intel_overlay *overlay,
|
|
struct overlay_registers __iomem *regs,
|
|
struct put_image_params *params)
|
|
{
|
|
/* fixed point with a 12 bit shift */
|
|
u32 xscale, yscale, xscale_UV, yscale_UV;
|
|
#define FP_SHIFT 12
|
|
#define FRACT_MASK 0xfff
|
|
bool scale_changed = false;
|
|
int uv_hscale = uv_hsubsampling(params->format);
|
|
int uv_vscale = uv_vsubsampling(params->format);
|
|
|
|
if (params->dst_w > 1)
|
|
xscale = ((params->src_scan_w - 1) << FP_SHIFT)
|
|
/(params->dst_w);
|
|
else
|
|
xscale = 1 << FP_SHIFT;
|
|
|
|
if (params->dst_h > 1)
|
|
yscale = ((params->src_scan_h - 1) << FP_SHIFT)
|
|
/(params->dst_h);
|
|
else
|
|
yscale = 1 << FP_SHIFT;
|
|
|
|
/*if (params->format & I915_OVERLAY_YUV_PLANAR) {*/
|
|
xscale_UV = xscale/uv_hscale;
|
|
yscale_UV = yscale/uv_vscale;
|
|
/* make the Y scale to UV scale ratio an exact multiply */
|
|
xscale = xscale_UV * uv_hscale;
|
|
yscale = yscale_UV * uv_vscale;
|
|
/*} else {
|
|
xscale_UV = 0;
|
|
yscale_UV = 0;
|
|
}*/
|
|
|
|
if (xscale != overlay->old_xscale || yscale != overlay->old_yscale)
|
|
scale_changed = true;
|
|
overlay->old_xscale = xscale;
|
|
overlay->old_yscale = yscale;
|
|
|
|
iowrite32(((yscale & FRACT_MASK) << 20) |
|
|
((xscale >> FP_SHIFT) << 16) |
|
|
((xscale & FRACT_MASK) << 3),
|
|
®s->YRGBSCALE);
|
|
|
|
iowrite32(((yscale_UV & FRACT_MASK) << 20) |
|
|
((xscale_UV >> FP_SHIFT) << 16) |
|
|
((xscale_UV & FRACT_MASK) << 3),
|
|
®s->UVSCALE);
|
|
|
|
iowrite32((((yscale >> FP_SHIFT) << 16) |
|
|
((yscale_UV >> FP_SHIFT) << 0)),
|
|
®s->UVSCALEV);
|
|
|
|
if (scale_changed)
|
|
update_polyphase_filter(regs);
|
|
|
|
return scale_changed;
|
|
}
|
|
|
|
static void update_colorkey(struct intel_overlay *overlay,
|
|
struct overlay_registers __iomem *regs)
|
|
{
|
|
u32 key = overlay->color_key;
|
|
u32 flags;
|
|
|
|
flags = 0;
|
|
if (overlay->color_key_enabled)
|
|
flags |= DST_KEY_ENABLE;
|
|
|
|
switch (overlay->crtc->base.primary->fb->bits_per_pixel) {
|
|
case 8:
|
|
key = 0;
|
|
flags |= CLK_RGB8I_MASK;
|
|
break;
|
|
|
|
case 16:
|
|
if (overlay->crtc->base.primary->fb->depth == 15) {
|
|
key = RGB15_TO_COLORKEY(key);
|
|
flags |= CLK_RGB15_MASK;
|
|
} else {
|
|
key = RGB16_TO_COLORKEY(key);
|
|
flags |= CLK_RGB16_MASK;
|
|
}
|
|
break;
|
|
|
|
case 24:
|
|
case 32:
|
|
flags |= CLK_RGB24_MASK;
|
|
break;
|
|
}
|
|
|
|
iowrite32(key, ®s->DCLRKV);
|
|
iowrite32(flags, ®s->DCLRKM);
|
|
}
|
|
|
|
static u32 overlay_cmd_reg(struct put_image_params *params)
|
|
{
|
|
u32 cmd = OCMD_ENABLE | OCMD_BUF_TYPE_FRAME | OCMD_BUFFER0;
|
|
|
|
if (params->format & I915_OVERLAY_YUV_PLANAR) {
|
|
switch (params->format & I915_OVERLAY_DEPTH_MASK) {
|
|
case I915_OVERLAY_YUV422:
|
|
cmd |= OCMD_YUV_422_PLANAR;
|
|
break;
|
|
case I915_OVERLAY_YUV420:
|
|
cmd |= OCMD_YUV_420_PLANAR;
|
|
break;
|
|
case I915_OVERLAY_YUV411:
|
|
case I915_OVERLAY_YUV410:
|
|
cmd |= OCMD_YUV_410_PLANAR;
|
|
break;
|
|
}
|
|
} else { /* YUV packed */
|
|
switch (params->format & I915_OVERLAY_DEPTH_MASK) {
|
|
case I915_OVERLAY_YUV422:
|
|
cmd |= OCMD_YUV_422_PACKED;
|
|
break;
|
|
case I915_OVERLAY_YUV411:
|
|
cmd |= OCMD_YUV_411_PACKED;
|
|
break;
|
|
}
|
|
|
|
switch (params->format & I915_OVERLAY_SWAP_MASK) {
|
|
case I915_OVERLAY_NO_SWAP:
|
|
break;
|
|
case I915_OVERLAY_UV_SWAP:
|
|
cmd |= OCMD_UV_SWAP;
|
|
break;
|
|
case I915_OVERLAY_Y_SWAP:
|
|
cmd |= OCMD_Y_SWAP;
|
|
break;
|
|
case I915_OVERLAY_Y_AND_UV_SWAP:
|
|
cmd |= OCMD_Y_AND_UV_SWAP;
|
|
break;
|
|
}
|
|
}
|
|
|
|
return cmd;
|
|
}
|
|
|
|
static int intel_overlay_do_put_image(struct intel_overlay *overlay,
|
|
struct drm_i915_gem_object *new_bo,
|
|
struct put_image_params *params)
|
|
{
|
|
int ret, tmp_width;
|
|
struct overlay_registers __iomem *regs;
|
|
bool scale_changed = false;
|
|
struct drm_device *dev = overlay->dev;
|
|
u32 swidth, swidthsw, sheight, ostride;
|
|
enum pipe pipe = overlay->crtc->pipe;
|
|
|
|
WARN_ON(!mutex_is_locked(&dev->struct_mutex));
|
|
WARN_ON(!drm_modeset_is_locked(&dev->mode_config.connection_mutex));
|
|
|
|
ret = intel_overlay_release_old_vid(overlay);
|
|
if (ret != 0)
|
|
return ret;
|
|
|
|
ret = i915_gem_object_pin_to_display_plane(new_bo, 0, NULL, NULL,
|
|
&i915_ggtt_view_normal);
|
|
if (ret != 0)
|
|
return ret;
|
|
|
|
ret = i915_gem_object_put_fence(new_bo);
|
|
if (ret)
|
|
goto out_unpin;
|
|
|
|
if (!overlay->active) {
|
|
u32 oconfig;
|
|
regs = intel_overlay_map_regs(overlay);
|
|
if (!regs) {
|
|
ret = -ENOMEM;
|
|
goto out_unpin;
|
|
}
|
|
oconfig = OCONF_CC_OUT_8BIT;
|
|
if (IS_GEN4(overlay->dev))
|
|
oconfig |= OCONF_CSC_MODE_BT709;
|
|
oconfig |= pipe == 0 ?
|
|
OCONF_PIPE_A : OCONF_PIPE_B;
|
|
iowrite32(oconfig, ®s->OCONFIG);
|
|
intel_overlay_unmap_regs(overlay, regs);
|
|
|
|
ret = intel_overlay_on(overlay);
|
|
if (ret != 0)
|
|
goto out_unpin;
|
|
}
|
|
|
|
regs = intel_overlay_map_regs(overlay);
|
|
if (!regs) {
|
|
ret = -ENOMEM;
|
|
goto out_unpin;
|
|
}
|
|
|
|
iowrite32((params->dst_y << 16) | params->dst_x, ®s->DWINPOS);
|
|
iowrite32((params->dst_h << 16) | params->dst_w, ®s->DWINSZ);
|
|
|
|
if (params->format & I915_OVERLAY_YUV_PACKED)
|
|
tmp_width = packed_width_bytes(params->format, params->src_w);
|
|
else
|
|
tmp_width = params->src_w;
|
|
|
|
swidth = params->src_w;
|
|
swidthsw = calc_swidthsw(overlay->dev, params->offset_Y, tmp_width);
|
|
sheight = params->src_h;
|
|
iowrite32(i915_gem_obj_ggtt_offset(new_bo) + params->offset_Y, ®s->OBUF_0Y);
|
|
ostride = params->stride_Y;
|
|
|
|
if (params->format & I915_OVERLAY_YUV_PLANAR) {
|
|
int uv_hscale = uv_hsubsampling(params->format);
|
|
int uv_vscale = uv_vsubsampling(params->format);
|
|
u32 tmp_U, tmp_V;
|
|
swidth |= (params->src_w/uv_hscale) << 16;
|
|
tmp_U = calc_swidthsw(overlay->dev, params->offset_U,
|
|
params->src_w/uv_hscale);
|
|
tmp_V = calc_swidthsw(overlay->dev, params->offset_V,
|
|
params->src_w/uv_hscale);
|
|
swidthsw |= max_t(u32, tmp_U, tmp_V) << 16;
|
|
sheight |= (params->src_h/uv_vscale) << 16;
|
|
iowrite32(i915_gem_obj_ggtt_offset(new_bo) + params->offset_U, ®s->OBUF_0U);
|
|
iowrite32(i915_gem_obj_ggtt_offset(new_bo) + params->offset_V, ®s->OBUF_0V);
|
|
ostride |= params->stride_UV << 16;
|
|
}
|
|
|
|
iowrite32(swidth, ®s->SWIDTH);
|
|
iowrite32(swidthsw, ®s->SWIDTHSW);
|
|
iowrite32(sheight, ®s->SHEIGHT);
|
|
iowrite32(ostride, ®s->OSTRIDE);
|
|
|
|
scale_changed = update_scaling_factors(overlay, regs, params);
|
|
|
|
update_colorkey(overlay, regs);
|
|
|
|
iowrite32(overlay_cmd_reg(params), ®s->OCMD);
|
|
|
|
intel_overlay_unmap_regs(overlay, regs);
|
|
|
|
ret = intel_overlay_continue(overlay, scale_changed);
|
|
if (ret)
|
|
goto out_unpin;
|
|
|
|
i915_gem_track_fb(overlay->vid_bo, new_bo,
|
|
INTEL_FRONTBUFFER_OVERLAY(pipe));
|
|
|
|
overlay->old_vid_bo = overlay->vid_bo;
|
|
overlay->vid_bo = new_bo;
|
|
|
|
intel_frontbuffer_flip(dev,
|
|
INTEL_FRONTBUFFER_OVERLAY(pipe));
|
|
|
|
return 0;
|
|
|
|
out_unpin:
|
|
i915_gem_object_ggtt_unpin(new_bo);
|
|
return ret;
|
|
}
|
|
|
|
int intel_overlay_switch_off(struct intel_overlay *overlay)
|
|
{
|
|
struct overlay_registers __iomem *regs;
|
|
struct drm_device *dev = overlay->dev;
|
|
int ret;
|
|
|
|
WARN_ON(!mutex_is_locked(&dev->struct_mutex));
|
|
WARN_ON(!drm_modeset_is_locked(&dev->mode_config.connection_mutex));
|
|
|
|
ret = intel_overlay_recover_from_interrupt(overlay);
|
|
if (ret != 0)
|
|
return ret;
|
|
|
|
if (!overlay->active)
|
|
return 0;
|
|
|
|
ret = intel_overlay_release_old_vid(overlay);
|
|
if (ret != 0)
|
|
return ret;
|
|
|
|
regs = intel_overlay_map_regs(overlay);
|
|
iowrite32(0, ®s->OCMD);
|
|
intel_overlay_unmap_regs(overlay, regs);
|
|
|
|
ret = intel_overlay_off(overlay);
|
|
if (ret != 0)
|
|
return ret;
|
|
|
|
intel_overlay_off_tail(overlay);
|
|
return 0;
|
|
}
|
|
|
|
static int check_overlay_possible_on_crtc(struct intel_overlay *overlay,
|
|
struct intel_crtc *crtc)
|
|
{
|
|
if (!crtc->active)
|
|
return -EINVAL;
|
|
|
|
/* can't use the overlay with double wide pipe */
|
|
if (crtc->config->double_wide)
|
|
return -EINVAL;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void update_pfit_vscale_ratio(struct intel_overlay *overlay)
|
|
{
|
|
struct drm_device *dev = overlay->dev;
|
|
struct drm_i915_private *dev_priv = dev->dev_private;
|
|
u32 pfit_control = I915_READ(PFIT_CONTROL);
|
|
u32 ratio;
|
|
|
|
/* XXX: This is not the same logic as in the xorg driver, but more in
|
|
* line with the intel documentation for the i965
|
|
*/
|
|
if (INTEL_INFO(dev)->gen >= 4) {
|
|
/* on i965 use the PGM reg to read out the autoscaler values */
|
|
ratio = I915_READ(PFIT_PGM_RATIOS) >> PFIT_VERT_SCALE_SHIFT_965;
|
|
} else {
|
|
if (pfit_control & VERT_AUTO_SCALE)
|
|
ratio = I915_READ(PFIT_AUTO_RATIOS);
|
|
else
|
|
ratio = I915_READ(PFIT_PGM_RATIOS);
|
|
ratio >>= PFIT_VERT_SCALE_SHIFT;
|
|
}
|
|
|
|
overlay->pfit_vscale_ratio = ratio;
|
|
}
|
|
|
|
static int check_overlay_dst(struct intel_overlay *overlay,
|
|
struct drm_intel_overlay_put_image *rec)
|
|
{
|
|
struct drm_display_mode *mode = &overlay->crtc->base.mode;
|
|
|
|
if (rec->dst_x < mode->hdisplay &&
|
|
rec->dst_x + rec->dst_width <= mode->hdisplay &&
|
|
rec->dst_y < mode->vdisplay &&
|
|
rec->dst_y + rec->dst_height <= mode->vdisplay)
|
|
return 0;
|
|
else
|
|
return -EINVAL;
|
|
}
|
|
|
|
static int check_overlay_scaling(struct put_image_params *rec)
|
|
{
|
|
u32 tmp;
|
|
|
|
/* downscaling limit is 8.0 */
|
|
tmp = ((rec->src_scan_h << 16) / rec->dst_h) >> 16;
|
|
if (tmp > 7)
|
|
return -EINVAL;
|
|
tmp = ((rec->src_scan_w << 16) / rec->dst_w) >> 16;
|
|
if (tmp > 7)
|
|
return -EINVAL;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int check_overlay_src(struct drm_device *dev,
|
|
struct drm_intel_overlay_put_image *rec,
|
|
struct drm_i915_gem_object *new_bo)
|
|
{
|
|
int uv_hscale = uv_hsubsampling(rec->flags);
|
|
int uv_vscale = uv_vsubsampling(rec->flags);
|
|
u32 stride_mask;
|
|
int depth;
|
|
u32 tmp;
|
|
|
|
/* check src dimensions */
|
|
if (IS_845G(dev) || IS_I830(dev)) {
|
|
if (rec->src_height > IMAGE_MAX_HEIGHT_LEGACY ||
|
|
rec->src_width > IMAGE_MAX_WIDTH_LEGACY)
|
|
return -EINVAL;
|
|
} else {
|
|
if (rec->src_height > IMAGE_MAX_HEIGHT ||
|
|
rec->src_width > IMAGE_MAX_WIDTH)
|
|
return -EINVAL;
|
|
}
|
|
|
|
/* better safe than sorry, use 4 as the maximal subsampling ratio */
|
|
if (rec->src_height < N_VERT_Y_TAPS*4 ||
|
|
rec->src_width < N_HORIZ_Y_TAPS*4)
|
|
return -EINVAL;
|
|
|
|
/* check alignment constraints */
|
|
switch (rec->flags & I915_OVERLAY_TYPE_MASK) {
|
|
case I915_OVERLAY_RGB:
|
|
/* not implemented */
|
|
return -EINVAL;
|
|
|
|
case I915_OVERLAY_YUV_PACKED:
|
|
if (uv_vscale != 1)
|
|
return -EINVAL;
|
|
|
|
depth = packed_depth_bytes(rec->flags);
|
|
if (depth < 0)
|
|
return depth;
|
|
|
|
/* ignore UV planes */
|
|
rec->stride_UV = 0;
|
|
rec->offset_U = 0;
|
|
rec->offset_V = 0;
|
|
/* check pixel alignment */
|
|
if (rec->offset_Y % depth)
|
|
return -EINVAL;
|
|
break;
|
|
|
|
case I915_OVERLAY_YUV_PLANAR:
|
|
if (uv_vscale < 0 || uv_hscale < 0)
|
|
return -EINVAL;
|
|
/* no offset restrictions for planar formats */
|
|
break;
|
|
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (rec->src_width % uv_hscale)
|
|
return -EINVAL;
|
|
|
|
/* stride checking */
|
|
if (IS_I830(dev) || IS_845G(dev))
|
|
stride_mask = 255;
|
|
else
|
|
stride_mask = 63;
|
|
|
|
if (rec->stride_Y & stride_mask || rec->stride_UV & stride_mask)
|
|
return -EINVAL;
|
|
if (IS_GEN4(dev) && rec->stride_Y < 512)
|
|
return -EINVAL;
|
|
|
|
tmp = (rec->flags & I915_OVERLAY_TYPE_MASK) == I915_OVERLAY_YUV_PLANAR ?
|
|
4096 : 8192;
|
|
if (rec->stride_Y > tmp || rec->stride_UV > 2*1024)
|
|
return -EINVAL;
|
|
|
|
/* check buffer dimensions */
|
|
switch (rec->flags & I915_OVERLAY_TYPE_MASK) {
|
|
case I915_OVERLAY_RGB:
|
|
case I915_OVERLAY_YUV_PACKED:
|
|
/* always 4 Y values per depth pixels */
|
|
if (packed_width_bytes(rec->flags, rec->src_width) > rec->stride_Y)
|
|
return -EINVAL;
|
|
|
|
tmp = rec->stride_Y*rec->src_height;
|
|
if (rec->offset_Y + tmp > new_bo->base.size)
|
|
return -EINVAL;
|
|
break;
|
|
|
|
case I915_OVERLAY_YUV_PLANAR:
|
|
if (rec->src_width > rec->stride_Y)
|
|
return -EINVAL;
|
|
if (rec->src_width/uv_hscale > rec->stride_UV)
|
|
return -EINVAL;
|
|
|
|
tmp = rec->stride_Y * rec->src_height;
|
|
if (rec->offset_Y + tmp > new_bo->base.size)
|
|
return -EINVAL;
|
|
|
|
tmp = rec->stride_UV * (rec->src_height / uv_vscale);
|
|
if (rec->offset_U + tmp > new_bo->base.size ||
|
|
rec->offset_V + tmp > new_bo->base.size)
|
|
return -EINVAL;
|
|
break;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* Return the pipe currently connected to the panel fitter,
|
|
* or -1 if the panel fitter is not present or not in use
|
|
*/
|
|
static int intel_panel_fitter_pipe(struct drm_device *dev)
|
|
{
|
|
struct drm_i915_private *dev_priv = dev->dev_private;
|
|
u32 pfit_control;
|
|
|
|
/* i830 doesn't have a panel fitter */
|
|
if (INTEL_INFO(dev)->gen <= 3 && (IS_I830(dev) || !IS_MOBILE(dev)))
|
|
return -1;
|
|
|
|
pfit_control = I915_READ(PFIT_CONTROL);
|
|
|
|
/* See if the panel fitter is in use */
|
|
if ((pfit_control & PFIT_ENABLE) == 0)
|
|
return -1;
|
|
|
|
/* 965 can place panel fitter on either pipe */
|
|
if (IS_GEN4(dev))
|
|
return (pfit_control >> 29) & 0x3;
|
|
|
|
/* older chips can only use pipe 1 */
|
|
return 1;
|
|
}
|
|
|
|
int intel_overlay_put_image(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv)
|
|
{
|
|
struct drm_intel_overlay_put_image *put_image_rec = data;
|
|
struct drm_i915_private *dev_priv = dev->dev_private;
|
|
struct intel_overlay *overlay;
|
|
struct drm_crtc *drmmode_crtc;
|
|
struct intel_crtc *crtc;
|
|
struct drm_i915_gem_object *new_bo;
|
|
struct put_image_params *params;
|
|
int ret;
|
|
|
|
overlay = dev_priv->overlay;
|
|
if (!overlay) {
|
|
DRM_DEBUG("userspace bug: no overlay\n");
|
|
return -ENODEV;
|
|
}
|
|
|
|
if (!(put_image_rec->flags & I915_OVERLAY_ENABLE)) {
|
|
drm_modeset_lock_all(dev);
|
|
mutex_lock(&dev->struct_mutex);
|
|
|
|
ret = intel_overlay_switch_off(overlay);
|
|
|
|
mutex_unlock(&dev->struct_mutex);
|
|
drm_modeset_unlock_all(dev);
|
|
|
|
return ret;
|
|
}
|
|
|
|
params = kmalloc(sizeof(*params), GFP_KERNEL);
|
|
if (!params)
|
|
return -ENOMEM;
|
|
|
|
drmmode_crtc = drm_crtc_find(dev, put_image_rec->crtc_id);
|
|
if (!drmmode_crtc) {
|
|
ret = -ENOENT;
|
|
goto out_free;
|
|
}
|
|
crtc = to_intel_crtc(drmmode_crtc);
|
|
|
|
new_bo = to_intel_bo(drm_gem_object_lookup(dev, file_priv,
|
|
put_image_rec->bo_handle));
|
|
if (&new_bo->base == NULL) {
|
|
ret = -ENOENT;
|
|
goto out_free;
|
|
}
|
|
|
|
drm_modeset_lock_all(dev);
|
|
mutex_lock(&dev->struct_mutex);
|
|
|
|
if (new_bo->tiling_mode) {
|
|
DRM_DEBUG_KMS("buffer used for overlay image can not be tiled\n");
|
|
ret = -EINVAL;
|
|
goto out_unlock;
|
|
}
|
|
|
|
ret = intel_overlay_recover_from_interrupt(overlay);
|
|
if (ret != 0)
|
|
goto out_unlock;
|
|
|
|
if (overlay->crtc != crtc) {
|
|
struct drm_display_mode *mode = &crtc->base.mode;
|
|
ret = intel_overlay_switch_off(overlay);
|
|
if (ret != 0)
|
|
goto out_unlock;
|
|
|
|
ret = check_overlay_possible_on_crtc(overlay, crtc);
|
|
if (ret != 0)
|
|
goto out_unlock;
|
|
|
|
overlay->crtc = crtc;
|
|
crtc->overlay = overlay;
|
|
|
|
/* line too wide, i.e. one-line-mode */
|
|
if (mode->hdisplay > 1024 &&
|
|
intel_panel_fitter_pipe(dev) == crtc->pipe) {
|
|
overlay->pfit_active = true;
|
|
update_pfit_vscale_ratio(overlay);
|
|
} else
|
|
overlay->pfit_active = false;
|
|
}
|
|
|
|
ret = check_overlay_dst(overlay, put_image_rec);
|
|
if (ret != 0)
|
|
goto out_unlock;
|
|
|
|
if (overlay->pfit_active) {
|
|
params->dst_y = ((((u32)put_image_rec->dst_y) << 12) /
|
|
overlay->pfit_vscale_ratio);
|
|
/* shifting right rounds downwards, so add 1 */
|
|
params->dst_h = ((((u32)put_image_rec->dst_height) << 12) /
|
|
overlay->pfit_vscale_ratio) + 1;
|
|
} else {
|
|
params->dst_y = put_image_rec->dst_y;
|
|
params->dst_h = put_image_rec->dst_height;
|
|
}
|
|
params->dst_x = put_image_rec->dst_x;
|
|
params->dst_w = put_image_rec->dst_width;
|
|
|
|
params->src_w = put_image_rec->src_width;
|
|
params->src_h = put_image_rec->src_height;
|
|
params->src_scan_w = put_image_rec->src_scan_width;
|
|
params->src_scan_h = put_image_rec->src_scan_height;
|
|
if (params->src_scan_h > params->src_h ||
|
|
params->src_scan_w > params->src_w) {
|
|
ret = -EINVAL;
|
|
goto out_unlock;
|
|
}
|
|
|
|
ret = check_overlay_src(dev, put_image_rec, new_bo);
|
|
if (ret != 0)
|
|
goto out_unlock;
|
|
params->format = put_image_rec->flags & ~I915_OVERLAY_FLAGS_MASK;
|
|
params->stride_Y = put_image_rec->stride_Y;
|
|
params->stride_UV = put_image_rec->stride_UV;
|
|
params->offset_Y = put_image_rec->offset_Y;
|
|
params->offset_U = put_image_rec->offset_U;
|
|
params->offset_V = put_image_rec->offset_V;
|
|
|
|
/* Check scaling after src size to prevent a divide-by-zero. */
|
|
ret = check_overlay_scaling(params);
|
|
if (ret != 0)
|
|
goto out_unlock;
|
|
|
|
ret = intel_overlay_do_put_image(overlay, new_bo, params);
|
|
if (ret != 0)
|
|
goto out_unlock;
|
|
|
|
mutex_unlock(&dev->struct_mutex);
|
|
drm_modeset_unlock_all(dev);
|
|
|
|
kfree(params);
|
|
|
|
return 0;
|
|
|
|
out_unlock:
|
|
mutex_unlock(&dev->struct_mutex);
|
|
drm_modeset_unlock_all(dev);
|
|
drm_gem_object_unreference_unlocked(&new_bo->base);
|
|
out_free:
|
|
kfree(params);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static void update_reg_attrs(struct intel_overlay *overlay,
|
|
struct overlay_registers __iomem *regs)
|
|
{
|
|
iowrite32((overlay->contrast << 18) | (overlay->brightness & 0xff),
|
|
®s->OCLRC0);
|
|
iowrite32(overlay->saturation, ®s->OCLRC1);
|
|
}
|
|
|
|
static bool check_gamma_bounds(u32 gamma1, u32 gamma2)
|
|
{
|
|
int i;
|
|
|
|
if (gamma1 & 0xff000000 || gamma2 & 0xff000000)
|
|
return false;
|
|
|
|
for (i = 0; i < 3; i++) {
|
|
if (((gamma1 >> i*8) & 0xff) >= ((gamma2 >> i*8) & 0xff))
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
static bool check_gamma5_errata(u32 gamma5)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < 3; i++) {
|
|
if (((gamma5 >> i*8) & 0xff) == 0x80)
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
static int check_gamma(struct drm_intel_overlay_attrs *attrs)
|
|
{
|
|
if (!check_gamma_bounds(0, attrs->gamma0) ||
|
|
!check_gamma_bounds(attrs->gamma0, attrs->gamma1) ||
|
|
!check_gamma_bounds(attrs->gamma1, attrs->gamma2) ||
|
|
!check_gamma_bounds(attrs->gamma2, attrs->gamma3) ||
|
|
!check_gamma_bounds(attrs->gamma3, attrs->gamma4) ||
|
|
!check_gamma_bounds(attrs->gamma4, attrs->gamma5) ||
|
|
!check_gamma_bounds(attrs->gamma5, 0x00ffffff))
|
|
return -EINVAL;
|
|
|
|
if (!check_gamma5_errata(attrs->gamma5))
|
|
return -EINVAL;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int intel_overlay_attrs(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv)
|
|
{
|
|
struct drm_intel_overlay_attrs *attrs = data;
|
|
struct drm_i915_private *dev_priv = dev->dev_private;
|
|
struct intel_overlay *overlay;
|
|
struct overlay_registers __iomem *regs;
|
|
int ret;
|
|
|
|
overlay = dev_priv->overlay;
|
|
if (!overlay) {
|
|
DRM_DEBUG("userspace bug: no overlay\n");
|
|
return -ENODEV;
|
|
}
|
|
|
|
drm_modeset_lock_all(dev);
|
|
mutex_lock(&dev->struct_mutex);
|
|
|
|
ret = -EINVAL;
|
|
if (!(attrs->flags & I915_OVERLAY_UPDATE_ATTRS)) {
|
|
attrs->color_key = overlay->color_key;
|
|
attrs->brightness = overlay->brightness;
|
|
attrs->contrast = overlay->contrast;
|
|
attrs->saturation = overlay->saturation;
|
|
|
|
if (!IS_GEN2(dev)) {
|
|
attrs->gamma0 = I915_READ(OGAMC0);
|
|
attrs->gamma1 = I915_READ(OGAMC1);
|
|
attrs->gamma2 = I915_READ(OGAMC2);
|
|
attrs->gamma3 = I915_READ(OGAMC3);
|
|
attrs->gamma4 = I915_READ(OGAMC4);
|
|
attrs->gamma5 = I915_READ(OGAMC5);
|
|
}
|
|
} else {
|
|
if (attrs->brightness < -128 || attrs->brightness > 127)
|
|
goto out_unlock;
|
|
if (attrs->contrast > 255)
|
|
goto out_unlock;
|
|
if (attrs->saturation > 1023)
|
|
goto out_unlock;
|
|
|
|
overlay->color_key = attrs->color_key;
|
|
overlay->brightness = attrs->brightness;
|
|
overlay->contrast = attrs->contrast;
|
|
overlay->saturation = attrs->saturation;
|
|
|
|
regs = intel_overlay_map_regs(overlay);
|
|
if (!regs) {
|
|
ret = -ENOMEM;
|
|
goto out_unlock;
|
|
}
|
|
|
|
update_reg_attrs(overlay, regs);
|
|
|
|
intel_overlay_unmap_regs(overlay, regs);
|
|
|
|
if (attrs->flags & I915_OVERLAY_UPDATE_GAMMA) {
|
|
if (IS_GEN2(dev))
|
|
goto out_unlock;
|
|
|
|
if (overlay->active) {
|
|
ret = -EBUSY;
|
|
goto out_unlock;
|
|
}
|
|
|
|
ret = check_gamma(attrs);
|
|
if (ret)
|
|
goto out_unlock;
|
|
|
|
I915_WRITE(OGAMC0, attrs->gamma0);
|
|
I915_WRITE(OGAMC1, attrs->gamma1);
|
|
I915_WRITE(OGAMC2, attrs->gamma2);
|
|
I915_WRITE(OGAMC3, attrs->gamma3);
|
|
I915_WRITE(OGAMC4, attrs->gamma4);
|
|
I915_WRITE(OGAMC5, attrs->gamma5);
|
|
}
|
|
}
|
|
overlay->color_key_enabled = (attrs->flags & I915_OVERLAY_DISABLE_DEST_COLORKEY) == 0;
|
|
|
|
ret = 0;
|
|
out_unlock:
|
|
mutex_unlock(&dev->struct_mutex);
|
|
drm_modeset_unlock_all(dev);
|
|
|
|
return ret;
|
|
}
|
|
|
|
void intel_setup_overlay(struct drm_device *dev)
|
|
{
|
|
struct drm_i915_private *dev_priv = dev->dev_private;
|
|
struct intel_overlay *overlay;
|
|
struct drm_i915_gem_object *reg_bo;
|
|
struct overlay_registers __iomem *regs;
|
|
int ret;
|
|
|
|
if (!HAS_OVERLAY(dev))
|
|
return;
|
|
|
|
overlay = kzalloc(sizeof(*overlay), GFP_KERNEL);
|
|
if (!overlay)
|
|
return;
|
|
|
|
mutex_lock(&dev->struct_mutex);
|
|
if (WARN_ON(dev_priv->overlay))
|
|
goto out_free;
|
|
|
|
overlay->dev = dev;
|
|
|
|
reg_bo = NULL;
|
|
if (!OVERLAY_NEEDS_PHYSICAL(dev))
|
|
reg_bo = i915_gem_object_create_stolen(dev, PAGE_SIZE);
|
|
if (reg_bo == NULL)
|
|
reg_bo = i915_gem_alloc_object(dev, PAGE_SIZE);
|
|
if (reg_bo == NULL)
|
|
goto out_free;
|
|
overlay->reg_bo = reg_bo;
|
|
|
|
if (OVERLAY_NEEDS_PHYSICAL(dev)) {
|
|
ret = i915_gem_object_attach_phys(reg_bo, PAGE_SIZE);
|
|
if (ret) {
|
|
DRM_ERROR("failed to attach phys overlay regs\n");
|
|
goto out_free_bo;
|
|
}
|
|
overlay->flip_addr = reg_bo->phys_handle->busaddr;
|
|
} else {
|
|
ret = i915_gem_obj_ggtt_pin(reg_bo, PAGE_SIZE, PIN_MAPPABLE);
|
|
if (ret) {
|
|
DRM_ERROR("failed to pin overlay register bo\n");
|
|
goto out_free_bo;
|
|
}
|
|
overlay->flip_addr = i915_gem_obj_ggtt_offset(reg_bo);
|
|
|
|
ret = i915_gem_object_set_to_gtt_domain(reg_bo, true);
|
|
if (ret) {
|
|
DRM_ERROR("failed to move overlay register bo into the GTT\n");
|
|
goto out_unpin_bo;
|
|
}
|
|
}
|
|
|
|
/* init all values */
|
|
overlay->color_key = 0x0101fe;
|
|
overlay->color_key_enabled = true;
|
|
overlay->brightness = -19;
|
|
overlay->contrast = 75;
|
|
overlay->saturation = 146;
|
|
|
|
regs = intel_overlay_map_regs(overlay);
|
|
if (!regs)
|
|
goto out_unpin_bo;
|
|
|
|
memset_io(regs, 0, sizeof(struct overlay_registers));
|
|
update_polyphase_filter(regs);
|
|
update_reg_attrs(overlay, regs);
|
|
|
|
intel_overlay_unmap_regs(overlay, regs);
|
|
|
|
dev_priv->overlay = overlay;
|
|
mutex_unlock(&dev->struct_mutex);
|
|
DRM_INFO("initialized overlay support\n");
|
|
return;
|
|
|
|
out_unpin_bo:
|
|
if (!OVERLAY_NEEDS_PHYSICAL(dev))
|
|
i915_gem_object_ggtt_unpin(reg_bo);
|
|
out_free_bo:
|
|
drm_gem_object_unreference(®_bo->base);
|
|
out_free:
|
|
mutex_unlock(&dev->struct_mutex);
|
|
kfree(overlay);
|
|
return;
|
|
}
|
|
|
|
void intel_cleanup_overlay(struct drm_device *dev)
|
|
{
|
|
struct drm_i915_private *dev_priv = dev->dev_private;
|
|
|
|
if (!dev_priv->overlay)
|
|
return;
|
|
|
|
/* The bo's should be free'd by the generic code already.
|
|
* Furthermore modesetting teardown happens beforehand so the
|
|
* hardware should be off already */
|
|
WARN_ON(dev_priv->overlay->active);
|
|
|
|
drm_gem_object_unreference_unlocked(&dev_priv->overlay->reg_bo->base);
|
|
kfree(dev_priv->overlay);
|
|
}
|
|
|
|
struct intel_overlay_error_state {
|
|
struct overlay_registers regs;
|
|
unsigned long base;
|
|
u32 dovsta;
|
|
u32 isr;
|
|
};
|
|
|
|
static struct overlay_registers __iomem *
|
|
intel_overlay_map_regs_atomic(struct intel_overlay *overlay)
|
|
{
|
|
struct drm_i915_private *dev_priv = overlay->dev->dev_private;
|
|
struct overlay_registers __iomem *regs;
|
|
|
|
if (OVERLAY_NEEDS_PHYSICAL(overlay->dev))
|
|
/* Cast to make sparse happy, but it's wc memory anyway, so
|
|
* equivalent to the wc io mapping on X86. */
|
|
regs = (struct overlay_registers __iomem *)
|
|
overlay->reg_bo->phys_handle->vaddr;
|
|
else
|
|
regs = io_mapping_map_atomic_wc(dev_priv->gtt.mappable,
|
|
i915_gem_obj_ggtt_offset(overlay->reg_bo));
|
|
|
|
return regs;
|
|
}
|
|
|
|
static void intel_overlay_unmap_regs_atomic(struct intel_overlay *overlay,
|
|
struct overlay_registers __iomem *regs)
|
|
{
|
|
if (!OVERLAY_NEEDS_PHYSICAL(overlay->dev))
|
|
io_mapping_unmap_atomic(regs);
|
|
}
|
|
|
|
|
|
struct intel_overlay_error_state *
|
|
intel_overlay_capture_error_state(struct drm_device *dev)
|
|
{
|
|
struct drm_i915_private *dev_priv = dev->dev_private;
|
|
struct intel_overlay *overlay = dev_priv->overlay;
|
|
struct intel_overlay_error_state *error;
|
|
struct overlay_registers __iomem *regs;
|
|
|
|
if (!overlay || !overlay->active)
|
|
return NULL;
|
|
|
|
error = kmalloc(sizeof(*error), GFP_ATOMIC);
|
|
if (error == NULL)
|
|
return NULL;
|
|
|
|
error->dovsta = I915_READ(DOVSTA);
|
|
error->isr = I915_READ(ISR);
|
|
if (OVERLAY_NEEDS_PHYSICAL(overlay->dev))
|
|
error->base = (__force long)overlay->reg_bo->phys_handle->vaddr;
|
|
else
|
|
error->base = i915_gem_obj_ggtt_offset(overlay->reg_bo);
|
|
|
|
regs = intel_overlay_map_regs_atomic(overlay);
|
|
if (!regs)
|
|
goto err;
|
|
|
|
memcpy_fromio(&error->regs, regs, sizeof(struct overlay_registers));
|
|
intel_overlay_unmap_regs_atomic(overlay, regs);
|
|
|
|
return error;
|
|
|
|
err:
|
|
kfree(error);
|
|
return NULL;
|
|
}
|
|
|
|
void
|
|
intel_overlay_print_error_state(struct drm_i915_error_state_buf *m,
|
|
struct intel_overlay_error_state *error)
|
|
{
|
|
i915_error_printf(m, "Overlay, status: 0x%08x, interrupt: 0x%08x\n",
|
|
error->dovsta, error->isr);
|
|
i915_error_printf(m, " Register file at 0x%08lx:\n",
|
|
error->base);
|
|
|
|
#define P(x) i915_error_printf(m, " " #x ": 0x%08x\n", error->regs.x)
|
|
P(OBUF_0Y);
|
|
P(OBUF_1Y);
|
|
P(OBUF_0U);
|
|
P(OBUF_0V);
|
|
P(OBUF_1U);
|
|
P(OBUF_1V);
|
|
P(OSTRIDE);
|
|
P(YRGB_VPH);
|
|
P(UV_VPH);
|
|
P(HORZ_PH);
|
|
P(INIT_PHS);
|
|
P(DWINPOS);
|
|
P(DWINSZ);
|
|
P(SWIDTH);
|
|
P(SWIDTHSW);
|
|
P(SHEIGHT);
|
|
P(YRGBSCALE);
|
|
P(UVSCALE);
|
|
P(OCLRC0);
|
|
P(OCLRC1);
|
|
P(DCLRKV);
|
|
P(DCLRKM);
|
|
P(SCLRKVH);
|
|
P(SCLRKVL);
|
|
P(SCLRKEN);
|
|
P(OCONFIG);
|
|
P(OCMD);
|
|
P(OSTART_0Y);
|
|
P(OSTART_1Y);
|
|
P(OSTART_0U);
|
|
P(OSTART_0V);
|
|
P(OSTART_1U);
|
|
P(OSTART_1V);
|
|
P(OTILEOFF_0Y);
|
|
P(OTILEOFF_1Y);
|
|
P(OTILEOFF_0U);
|
|
P(OTILEOFF_0V);
|
|
P(OTILEOFF_1U);
|
|
P(OTILEOFF_1V);
|
|
P(FASTHSCALE);
|
|
P(UVSCALEV);
|
|
#undef P
|
|
}
|