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drm/radeon/kms: add support for DCE5 display LUTs

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The hardware supports advanced user defined color management
but at the moment, there is no infrastructure in place to take
advantage of it so for now we just support the legacy LUTs.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Alex Deucher 2011-01-06 21:19:30 -05:00 committed by Dave Airlie
parent 58c2e9f02a
commit fee298fd6f
1 changed files with 65 additions and 3 deletions
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68
drivers/gpu/drm/radeon/radeon_display.c
View file

@ -68,7 +68,7 @@ static void avivo_crtc_load_lut(struct drm_crtc *crtc)
WREG32(AVIVO_D1GRPH_LUT_SEL + radeon_crtc->crtc_offset, radeon_crtc->crtc_id);
}
static void evergreen_crtc_load_lut(struct drm_crtc *crtc)
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;
@ -98,6 +98,66 @@ static void evergreen_crtc_load_lut(struct drm_crtc *crtc)
}
}
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;
int i;
DRM_DEBUG_KMS("%d\n", radeon_crtc->crtc_id);
WREG32(NI_INPUT_CSC_CONTROL + radeon_crtc->crtc_offset,
(NI_INPUT_CSC_GRPH_MODE(NI_INPUT_CSC_BYPASS) |
NI_INPUT_CSC_OVL_MODE(NI_INPUT_CSC_BYPASS)));
WREG32(NI_PRESCALE_GRPH_CONTROL + radeon_crtc->crtc_offset,
NI_GRPH_PRESCALE_BYPASS);
WREG32(NI_PRESCALE_OVL_CONTROL + radeon_crtc->crtc_offset,
NI_OVL_PRESCALE_BYPASS);
WREG32(NI_INPUT_GAMMA_CONTROL + radeon_crtc->crtc_offset,
(NI_GRPH_INPUT_GAMMA_MODE(NI_INPUT_GAMMA_USE_LUT) |
NI_OVL_INPUT_GAMMA_MODE(NI_INPUT_GAMMA_USE_LUT)));
WREG32(EVERGREEN_DC_LUT_CONTROL + radeon_crtc->crtc_offset, 0);
WREG32(EVERGREEN_DC_LUT_BLACK_OFFSET_BLUE + radeon_crtc->crtc_offset, 0);
WREG32(EVERGREEN_DC_LUT_BLACK_OFFSET_GREEN + radeon_crtc->crtc_offset, 0);
WREG32(EVERGREEN_DC_LUT_BLACK_OFFSET_RED + radeon_crtc->crtc_offset, 0);
WREG32(EVERGREEN_DC_LUT_WHITE_OFFSET_BLUE + radeon_crtc->crtc_offset, 0xffff);
WREG32(EVERGREEN_DC_LUT_WHITE_OFFSET_GREEN + radeon_crtc->crtc_offset, 0xffff);
WREG32(EVERGREEN_DC_LUT_WHITE_OFFSET_RED + radeon_crtc->crtc_offset, 0xffff);
WREG32(EVERGREEN_DC_LUT_RW_MODE + radeon_crtc->crtc_offset, 0);
WREG32(EVERGREEN_DC_LUT_WRITE_EN_MASK + radeon_crtc->crtc_offset, 0x00000007);
WREG32(EVERGREEN_DC_LUT_RW_INDEX + radeon_crtc->crtc_offset, 0);
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));
}
WREG32(NI_DEGAMMA_CONTROL + radeon_crtc->crtc_offset,
(NI_GRPH_DEGAMMA_MODE(NI_DEGAMMA_BYPASS) |
NI_OVL_DEGAMMA_MODE(NI_DEGAMMA_BYPASS) |
NI_ICON_DEGAMMA_MODE(NI_DEGAMMA_BYPASS) |
NI_CURSOR_DEGAMMA_MODE(NI_DEGAMMA_BYPASS)));
WREG32(NI_GAMUT_REMAP_CONTROL + radeon_crtc->crtc_offset,
(NI_GRPH_GAMUT_REMAP_MODE(NI_GAMUT_REMAP_BYPASS) |
NI_OVL_GAMUT_REMAP_MODE(NI_GAMUT_REMAP_BYPASS)));
WREG32(NI_REGAMMA_CONTROL + radeon_crtc->crtc_offset,
(NI_GRPH_REGAMMA_MODE(NI_REGAMMA_BYPASS) |
NI_OVL_REGAMMA_MODE(NI_REGAMMA_BYPASS)));
WREG32(NI_OUTPUT_CSC_CONTROL + radeon_crtc->crtc_offset,
(NI_OUTPUT_CSC_GRPH_MODE(NI_OUTPUT_CSC_BYPASS) |
NI_OUTPUT_CSC_OVL_MODE(NI_OUTPUT_CSC_BYPASS)));
/* XXX match this to the depth of the crtc fmt block, move to modeset? */
WREG32(0x6940 + radeon_crtc->crtc_offset, 0);
}
static void legacy_crtc_load_lut(struct drm_crtc *crtc)
{
struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
@ -130,8 +190,10 @@ void radeon_crtc_load_lut(struct drm_crtc *crtc)
if (!crtc->enabled)
return;
if (ASIC_IS_DCE4(rdev))
evergreen_crtc_load_lut(crtc);
if (ASIC_IS_DCE5(rdev))
dce5_crtc_load_lut(crtc);
else if (ASIC_IS_DCE4(rdev))
dce4_crtc_load_lut(crtc);
else if (ASIC_IS_AVIVO(rdev))
avivo_crtc_load_lut(crtc);
else