diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_display.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_display.c | 71 |
1 files changed, 28 insertions, 43 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c index f339c1c10fa1..ee274c6e374d 100644 --- a/drivers/gpu/drm/radeon/radeon_display.c +++ b/drivers/gpu/drm/radeon/radeon_display.c @@ -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; |