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path: root/drivers/gpu/drm/radeon/radeon_display.c
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Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_display.c')
-rw-r--r--drivers/gpu/drm/radeon/radeon_display.c42
1 files changed, 39 insertions, 3 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c
index a41ed40c13fb..257827806aee 100644
--- a/drivers/gpu/drm/radeon/radeon_display.c
+++ b/drivers/gpu/drm/radeon/radeon_display.c
@@ -68,6 +68,36 @@ 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)
+{
+ 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("%d\n", radeon_crtc->crtc_id);
+ 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_id);
+ WREG32(EVERGREEN_DC_LUT_WRITE_EN_MASK, 0x00000007);
+
+ WREG32(EVERGREEN_DC_LUT_RW_INDEX, 0);
+ for (i = 0; i < 256; i++) {
+ WREG32(EVERGREEN_DC_LUT_30_COLOR,
+ (radeon_crtc->lut_r[i] << 20) |
+ (radeon_crtc->lut_g[i] << 10) |
+ (radeon_crtc->lut_b[i] << 0));
+ }
+}
+
static void legacy_crtc_load_lut(struct drm_crtc *crtc)
{
struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
@@ -100,7 +130,9 @@ void radeon_crtc_load_lut(struct drm_crtc *crtc)
if (!crtc->enabled)
return;
- if (ASIC_IS_AVIVO(rdev))
+ if (ASIC_IS_DCE4(rdev))
+ evergreen_crtc_load_lut(crtc);
+ else if (ASIC_IS_AVIVO(rdev))
avivo_crtc_load_lut(crtc);
else
legacy_crtc_load_lut(crtc);
@@ -862,8 +894,12 @@ int radeon_modeset_init(struct radeon_device *rdev)
if (rdev->flags & RADEON_SINGLE_CRTC)
rdev->num_crtc = 1;
- else
- rdev->num_crtc = 2;
+ else {
+ if (ASIC_IS_DCE4(rdev))
+ rdev->num_crtc = 6;
+ else
+ rdev->num_crtc = 2;
+ }
/* allocate crtcs */
for (i = 0; i < rdev->num_crtc; i++) {