diff options
| author | Paulo Zanoni <paulo.r.zanoni@intel.com> | 2012-08-08 14:15:28 -0300 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2012-08-09 18:38:18 +0200 |
| commit | f63eb7c4528060e54688baafb7a499e9391eefe6 (patch) | |
| tree | ee4606c0b07c46208b7ea74df9ff0dada4435b42 /drivers | |
| parent | 3f7c447faab3e750b0b2f94edad605ba8eb28a7f (diff) | |
drm/i915: set the DDI sync polarity bits
During my tests, everything worked even if the wrong polarity was set.
Still, we should try to set the correct values.
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_reg.h | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_ddi.c | 6 |
2 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 97f00fb5307..896b27966bc 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -4312,6 +4312,8 @@ #define PIPE_DDI_BPC_10 (1<<20) #define PIPE_DDI_BPC_6 (2<<20) #define PIPE_DDI_BPC_12 (3<<20) +#define PIPE_DDI_PVSYNC (1<<17) +#define PIPE_DDI_PHSYNC (1<<16) #define PIPE_DDI_BFI_ENABLE (1<<4) #define PIPE_DDI_PORT_WIDTH_X1 (0<<1) #define PIPE_DDI_PORT_WIDTH_X2 (1<<1) diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c index 0d7acd76c1b..1fbd67cd558 100644 --- a/drivers/gpu/drm/i915/intel_ddi.c +++ b/drivers/gpu/drm/i915/intel_ddi.c @@ -727,6 +727,7 @@ void intel_ddi_mode_set(struct drm_encoder *encoder, temp &= ~PIPE_DDI_PORT_MASK; temp &= ~PIPE_DDI_BPC_12; temp &= ~PIPE_DDI_MODE_SELECT_MASK; + temp &= ~(PIPE_DDI_PVSYNC | PIPE_DDI_PHSYNC); temp |= PIPE_DDI_SELECT_PORT(port) | ((intel_crtc->bpp > 24) ? PIPE_DDI_BPC_12 : @@ -738,6 +739,11 @@ void intel_ddi_mode_set(struct drm_encoder *encoder, else temp |= PIPE_DDI_MODE_SELECT_DVI; + if (adjusted_mode->flags & DRM_MODE_FLAG_PVSYNC) + temp |= PIPE_DDI_PVSYNC; + if (adjusted_mode->flags & DRM_MODE_FLAG_PHSYNC) + temp |= PIPE_DDI_PHSYNC; + I915_WRITE(DDI_FUNC_CTL(pipe), temp); intel_hdmi->set_infoframes(encoder, adjusted_mode); |