summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/radeon/radeon_encoders.c
diff options
context:
space:
mode:
authorArnd Bergmann <arnd@arndb.de>2011-10-20 14:51:38 +0200
committerArnd Bergmann <arnd@arndb.de>2011-10-20 14:51:38 +0200
commit1faca4ced8594d3586302e8d1788a60932f2bbca (patch)
tree5130aaa4803a322f3d1f0ff6406f047ed0dba475 /drivers/gpu/drm/radeon/radeon_encoders.c
parent112d17d6f75b93e1dcaec2e2232a411148b3bf71 (diff)
parent6b6844dd54e4196dd9818bc63b319f93c37a08be (diff)
Merge branch 'samsung/devel' of git+ssh://git.linaro.org/home/arndbergmann/public_git/arm-soc into next/devel2
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_encoders.c')
-rw-r--r--drivers/gpu/drm/radeon/radeon_encoders.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_encoders.c b/drivers/gpu/drm/radeon/radeon_encoders.c
index 319d85d7e759..13690f3eb4a4 100644
--- a/drivers/gpu/drm/radeon/radeon_encoders.c
+++ b/drivers/gpu/drm/radeon/radeon_encoders.c
@@ -1507,7 +1507,14 @@ radeon_atom_encoder_dpms(struct drm_encoder *encoder, int mode)
switch (mode) {
case DRM_MODE_DPMS_ON:
args.ucAction = ATOM_ENABLE;
- atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
+ /* workaround for DVOOutputControl on some RS690 systems */
+ if (radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_DDI) {
+ u32 reg = RREG32(RADEON_BIOS_3_SCRATCH);
+ WREG32(RADEON_BIOS_3_SCRATCH, reg & ~ATOM_S3_DFP2I_ACTIVE);
+ atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
+ WREG32(RADEON_BIOS_3_SCRATCH, reg);
+ } else
+ atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
args.ucAction = ATOM_LCD_BLON;
atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);