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| author | Alex Deucher <alexander.deucher@amd.com> | 2014-05-27 16:40:51 -0400 |
|---|---|---|
| committer | Ben Hutchings <ben@decadent.org.uk> | 2014-07-11 13:33:45 +0100 |
| commit | 94264f44b2f4715806d401c9f6e65b2458f70fe5 (patch) | |
| tree | f96ef27e949cda2606514f2cf4a990467c50e09d /drivers/gpu | |
| parent | 08e6c752d89cf72e793a4ea3487692096d476f1a (diff) | |
| download | kernel_samsung_smdk4412-94264f44b2f4715806d401c9f6e65b2458f70fe5.zip kernel_samsung_smdk4412-94264f44b2f4715806d401c9f6e65b2458f70fe5.tar.gz kernel_samsung_smdk4412-94264f44b2f4715806d401c9f6e65b2458f70fe5.tar.bz2 | |
drm/radeon/atom: fix dithering on certain panels
commit 642528355c694f5ed68f6bff9ff520326a249f99 upstream.
We need to specify the encoder mode as LVDS for eDP
when using the Crtc_Source atom table in order to properly
set up the FMT hardware.
bug:
https://bugs.freedesktop.org/show_bug.cgi?id=73911
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/radeon/atombios_encoders.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/atombios_encoders.c b/drivers/gpu/drm/radeon/atombios_encoders.c index 475a275..286f1fa 100644 --- a/drivers/gpu/drm/radeon/atombios_encoders.c +++ b/drivers/gpu/drm/radeon/atombios_encoders.c @@ -1626,8 +1626,11 @@ atombios_set_encoder_crtc_source(struct drm_encoder *encoder) args.v2.ucEncodeMode = ATOM_ENCODER_MODE_CRT; else args.v2.ucEncodeMode = atombios_get_encoder_mode(encoder); - } else + } else if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) { + args.v2.ucEncodeMode = ATOM_ENCODER_MODE_LVDS; + } else { args.v2.ucEncodeMode = atombios_get_encoder_mode(encoder); + } switch (radeon_encoder->encoder_id) { case ENCODER_OBJECT_ID_INTERNAL_UNIPHY: case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1: |