diff options
| author | Alex Deucher <alexdeucher@gmail.com> | 2011-05-25 01:00:45 -0400 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2011-05-25 15:10:48 +1000 |
| commit | ac10f81d94f49f1bd9618680263400d275ddf825 (patch) | |
| tree | 2efa9488ac93523560bf988dec8eaedad29f9b44 /drivers/gpu/drm/radeon | |
| parent | 2ec8a5feaf3000bf4f9744d0caad0d5f12ce1409 (diff) | |
drm/radeon/kms/blit: workaround some hw issues on evergreen+
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/radeon')
| -rw-r--r-- | drivers/gpu/drm/radeon/evergreen_blit_kms.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/evergreen_blit_kms.c b/drivers/gpu/drm/radeon/evergreen_blit_kms.c index ba06a69c6de..40867290863 100644 --- a/drivers/gpu/drm/radeon/evergreen_blit_kms.c +++ b/drivers/gpu/drm/radeon/evergreen_blit_kms.c @@ -199,6 +199,16 @@ static void set_scissors(struct radeon_device *rdev, int x1, int y1, int x2, int y2) { + /* workaround some hw bugs */ + if (x2 == 0) + x1 = 1; + if (y2 == 0) + y1 = 1; + if (rdev->family == CHIP_CAYMAN) { + if ((x2 == 1) && (y2 == 1)) + x2 = 2; + } + radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 2)); radeon_ring_write(rdev, (PA_SC_SCREEN_SCISSOR_TL - PACKET3_SET_CONTEXT_REG_START) >> 2); radeon_ring_write(rdev, (x1 << 0) | (y1 << 16)); |