diff options
| author | Alex Deucher <alexdeucher@gmail.com> | 2009-12-04 10:40:41 -0500 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2009-12-08 08:50:54 +1000 |
| commit | 6b02af1c1f35550ce1a9873841fe9c50b1613591 (patch) | |
| tree | d89b6ba88e8c948b27bce156941fa19efce319c7 /drivers/gpu/drm/radeon/radeon_legacy_crtc.c | |
| parent | 64bffd03756249e11b8651ccf33ac3a50a93ed4c (diff) | |
| download | linux-6b02af1c1f35550ce1a9873841fe9c50b1613591.tar.gz linux-6b02af1c1f35550ce1a9873841fe9c50b1613591.tar.bz2 linux-6b02af1c1f35550ce1a9873841fe9c50b1613591.zip | |
drm/radeon/kms/legacy: set overscan regs on modeset
These can end up with garbage otherwise.
fixes rh bug 537140
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_legacy_crtc.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_legacy_crtc.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_legacy_crtc.c b/drivers/gpu/drm/radeon/radeon_legacy_crtc.c index 4a5f2d36efe6..1058ed0d373f 100644 --- a/drivers/gpu/drm/radeon/radeon_legacy_crtc.c +++ b/drivers/gpu/drm/radeon/radeon_legacy_crtc.c @@ -30,6 +30,18 @@ #include "radeon.h" #include "atom.h" +static void radeon_overscan_setup(struct drm_crtc *crtc, + struct drm_display_mode *mode) +{ + struct drm_device *dev = crtc->dev; + struct radeon_device *rdev = dev->dev_private; + struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); + + WREG32(RADEON_OVR_CLR + radeon_crtc->crtc_offset, 0); + WREG32(RADEON_OVR_WID_LEFT_RIGHT + radeon_crtc->crtc_offset, 0); + WREG32(RADEON_OVR_WID_TOP_BOTTOM + radeon_crtc->crtc_offset, 0); +} + static void radeon_legacy_rmx_mode_set(struct drm_crtc *crtc, struct drm_display_mode *mode, struct drm_display_mode *adjusted_mode) @@ -1045,6 +1057,7 @@ static int radeon_crtc_mode_set(struct drm_crtc *crtc, radeon_crtc_set_base(crtc, x, y, old_fb); radeon_set_crtc_timing(crtc, adjusted_mode); radeon_set_pll(crtc, adjusted_mode); + radeon_overscan_setup(crtc, adjusted_mode); if (radeon_crtc->crtc_id == 0) { radeon_legacy_rmx_mode_set(crtc, mode, adjusted_mode); } else { |