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authorAlex Deucher <alexdeucher@gmail.com>2010-01-12 17:54:34 -0500
committerDave Airlie <airlied@redhat.com>2010-02-09 09:44:02 +1000
commitbcc1c2a1d22974215e39dc87ce746ba9a39223e5 (patch)
tree62ae9dfab266202240307fc3998806c1d4655552 /drivers/gpu/drm/radeon/radeon_display.c
parente97bd974448ce90f8e4720499d84580bcd6a2f7a (diff)
downloadlwn-bcc1c2a1d22974215e39dc87ce746ba9a39223e5.tar.gz
lwn-bcc1c2a1d22974215e39dc87ce746ba9a39223e5.zip
drm/radeon/kms: add initial Evergreen support (Radeon HD 5xxx)
This adds initial Evergreen KMS support, it doesn't include any acceleration features or interrupt handling yet. Major changes are DCE4 handling for PLLs for the > 2 crtcs. Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
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++) {