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author | Arnd Bergmann <arnd@arndb.de> | 2011-10-20 14:51:38 +0200 |
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committer | Arnd Bergmann <arnd@arndb.de> | 2011-10-20 14:51:38 +0200 |
commit | 1faca4ced8594d3586302e8d1788a60932f2bbca (patch) | |
tree | 5130aaa4803a322f3d1f0ff6406f047ed0dba475 /drivers/gpu/drm/radeon/radeon_encoders.c | |
parent | 112d17d6f75b93e1dcaec2e2232a411148b3bf71 (diff) | |
parent | 6b6844dd54e4196dd9818bc63b319f93c37a08be (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.c | 9 |
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); |