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drm: radeon: remove dead code and pointless local lut storage 

The redundant fb helpers .load_lut, .gamma_set and .gamma_get are
no longer used. Remove the dead code and hook up the crtc .gamma_set
to use the crtc gamma_store directly instead of duplicating that
info locally.

Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Peter Rosin <peda@axentia.se>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20170713162538.22788-13-peda@axentia.se
This commit is contained in:
Peter Rosin 2017-07-13 18:25:36 +02:00 committed by Daniel Vetter
parent 804ea3ec44
commit 42585395eb
6 changed files with 33 additions and 53 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/gpu/drm/radeon/atombios_crtc.c
View File

@ -2217,7 +2217,6 @@ static const struct drm_crtc_helper_funcs atombios_helper_funcs = {
.mode_set_base_atomic = atombios_crtc_set_base_atomic,
.prepare = atombios_crtc_prepare,
.commit = atombios_crtc_commit,
.load_lut = radeon_crtc_load_lut,
.disable = atombios_crtc_disable,
};

7
drivers/gpu/drm/radeon/radeon_connectors.c
View File

@ -773,12 +773,15 @@ static int radeon_connector_set_property(struct drm_connector *connector, struct
if (connector->encoder->crtc) {
struct drm_crtc *crtc = connector->encoder->crtc;
const struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
radeon_crtc->output_csc = radeon_encoder->output_csc;
(*crtc_funcs->load_lut)(crtc);
/*
* Our .gamma_set assumes the .gamma_store has been
* prefilled and don't care about its arguments.
*/
crtc->funcs->gamma_set(crtc, NULL, NULL, NULL, 0, NULL);
}
}

71
drivers/gpu/drm/radeon/radeon_display.c
View File

@ -42,6 +42,7 @@ static void avivo_crtc_load_lut(struct drm_crtc *crtc)
struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
struct drm_device *dev = crtc->dev;
struct radeon_device *rdev = dev->dev_private;
u16 *r, *g, *b;
int i;
DRM_DEBUG_KMS("%d\n", radeon_crtc->crtc_id);
@ -60,11 +61,14 @@ static void avivo_crtc_load_lut(struct drm_crtc *crtc)
WREG32(AVIVO_DC_LUT_WRITE_EN_MASK, 0x0000003f);
WREG8(AVIVO_DC_LUT_RW_INDEX, 0);
r = crtc->gamma_store;
g = r + crtc->gamma_size;
b = g + crtc->gamma_size;
for (i = 0; i < 256; i++) {
WREG32(AVIVO_DC_LUT_30_COLOR,
(radeon_crtc->lut_r[i] << 20) |
(radeon_crtc->lut_g[i] << 10) |
(radeon_crtc->lut_b[i] << 0));
((*r++ & 0xffc0) << 14) |
((*g++ & 0xffc0) << 4) |
(*b++ >> 6));
}
/* Only change bit 0 of LUT_SEL, other bits are set elsewhere */
@ -76,6 +80,7 @@ static void dce4_crtc_load_lut(struct drm_crtc *crtc)
struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
struct drm_device *dev = crtc->dev;
struct radeon_device *rdev = dev->dev_private;
u16 *r, *g, *b;
int i;
DRM_DEBUG_KMS("%d\n", radeon_crtc->crtc_id);
@ -93,11 +98,14 @@ static void dce4_crtc_load_lut(struct drm_crtc *crtc)
WREG32(EVERGREEN_DC_LUT_WRITE_EN_MASK + radeon_crtc->crtc_offset, 0x00000007);
WREG32(EVERGREEN_DC_LUT_RW_INDEX + radeon_crtc->crtc_offset, 0);
r = crtc->gamma_store;
g = r + crtc->gamma_size;
b = g + crtc->gamma_size;
for (i = 0; i < 256; i++) {
WREG32(EVERGREEN_DC_LUT_30_COLOR + radeon_crtc->crtc_offset,
(radeon_crtc->lut_r[i] << 20) |
(radeon_crtc->lut_g[i] << 10) |
(radeon_crtc->lut_b[i] << 0));
((*r++ & 0xffc0) << 14) |
((*g++ & 0xffc0) << 4) |
(*b++ >> 6));
}
}
@ -106,6 +114,7 @@ static void dce5_crtc_load_lut(struct drm_crtc *crtc)
struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
struct drm_device *dev = crtc->dev;
struct radeon_device *rdev = dev->dev_private;
u16 *r, *g, *b;
int i;
DRM_DEBUG_KMS("%d\n", radeon_crtc->crtc_id);
@ -135,11 +144,14 @@ static void dce5_crtc_load_lut(struct drm_crtc *crtc)
WREG32(EVERGREEN_DC_LUT_WRITE_EN_MASK + radeon_crtc->crtc_offset, 0x00000007);
WREG32(EVERGREEN_DC_LUT_RW_INDEX + radeon_crtc->crtc_offset, 0);
r = crtc->gamma_store;
g = r + crtc->gamma_size;
b = g + crtc->gamma_size;
for (i = 0; i < 256; i++) {
WREG32(EVERGREEN_DC_LUT_30_COLOR + radeon_crtc->crtc_offset,
(radeon_crtc->lut_r[i] << 20) |
(radeon_crtc->lut_g[i] << 10) |
(radeon_crtc->lut_b[i] << 0));
((*r++ & 0xffc0) << 14) |
((*g++ & 0xffc0) << 4) |
(*b++ >> 6));
}
WREG32(NI_DEGAMMA_CONTROL + radeon_crtc->crtc_offset,
@ -172,6 +184,7 @@ static void legacy_crtc_load_lut(struct drm_crtc *crtc)
struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
struct drm_device *dev = crtc->dev;
struct radeon_device *rdev = dev->dev_private;
u16 *r, *g, *b;
int i;
uint32_t dac2_cntl;
@ -183,11 +196,14 @@ static void legacy_crtc_load_lut(struct drm_crtc *crtc)
WREG32(RADEON_DAC_CNTL2, dac2_cntl);
WREG8(RADEON_PALETTE_INDEX, 0);
r = crtc->gamma_store;
g = r + crtc->gamma_size;
b = g + crtc->gamma_size;
for (i = 0; i < 256; i++) {
WREG32(RADEON_PALETTE_30_DATA,
(radeon_crtc->lut_r[i] << 20) |
(radeon_crtc->lut_g[i] << 10) |
(radeon_crtc->lut_b[i] << 0));
((*r++ & 0xffc0) << 14) |
((*g++ & 0xffc0) << 4) |
(*b++ >> 6));
}
}
@ -209,41 +225,10 @@ void radeon_crtc_load_lut(struct drm_crtc *crtc)
legacy_crtc_load_lut(crtc);
}
/** Sets the color ramps on behalf of fbcon */
void radeon_crtc_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green,
u16 blue, int regno)
{
struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
radeon_crtc->lut_r[regno] = red >> 6;
radeon_crtc->lut_g[regno] = green >> 6;
radeon_crtc->lut_b[regno] = blue >> 6;
}
/** Gets the color ramps on behalf of fbcon */
void radeon_crtc_fb_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green,
u16 *blue, int regno)
{
struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
*red = radeon_crtc->lut_r[regno] << 6;
*green = radeon_crtc->lut_g[regno] << 6;
*blue = radeon_crtc->lut_b[regno] << 6;
}
static int radeon_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green,
u16 *blue, uint32_t size,
struct drm_modeset_acquire_ctx *ctx)
{
struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
int i;
/* userspace palettes are always correct as is */
for (i = 0; i < size; i++) {
radeon_crtc->lut_r[i] = red[i] >> 6;
radeon_crtc->lut_g[i] = green[i] >> 6;
radeon_crtc->lut_b[i] = blue[i] >> 6;
}
radeon_crtc_load_lut(crtc);
return 0;

2
drivers/gpu/drm/radeon/radeon_fb.c
View File

@ -331,8 +331,6 @@ static int radeon_fbdev_destroy(struct drm_device *dev, struct radeon_fbdev *rfb
}
static const struct drm_fb_helper_funcs radeon_fb_helper_funcs = {
.gamma_set = radeon_crtc_fb_gamma_set,
.gamma_get = radeon_crtc_fb_gamma_get,
.fb_probe = radeonfb_create,
};

1
drivers/gpu/drm/radeon/radeon_legacy_crtc.c
View File

@ -1116,7 +1116,6 @@ static const struct drm_crtc_helper_funcs legacy_helper_funcs = {
.mode_set_base_atomic = radeon_crtc_set_base_atomic,
.prepare = radeon_crtc_prepare,
.commit = radeon_crtc_commit,
.load_lut = radeon_crtc_load_lut,
.disable = radeon_crtc_disable
};

4
drivers/gpu/drm/radeon/radeon_mode.h
View File

@ -935,10 +935,6 @@ extern void
radeon_combios_encoder_crtc_scratch_regs(struct drm_encoder *encoder, int crtc);
extern void
radeon_combios_encoder_dpms_scratch_regs(struct drm_encoder *encoder, bool on);
extern void radeon_crtc_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green,
u16 blue, int regno);
extern void radeon_crtc_fb_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green,
u16 *blue, int regno);
int radeon_framebuffer_init(struct drm_device *dev,
struct radeon_framebuffer *rfb,
const struct drm_mode_fb_cmd2 *mode_cmd,