diff options
| author | Paulo Zanoni <paulo.r.zanoni@intel.com> | 2012-05-04 17:18:19 -0300 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2012-05-08 14:04:21 +0200 |
| commit | 3e6e63952f6f7a42c40751cd88295fd297b80a84 (patch) | |
| tree | 0e12c1bb5d19cd0706e3e2d8bfdabf23421791a0 | |
| parent | 1d4f85ac2d5ef1892deba2a3df8a5695645418c8 (diff) | |
drm/i915: mask the video DIP port select
Should prevent bugs when changing the port.
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Eugeni Dodonov <eugeni.dodonov@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
| -rw-r--r-- | drivers/gpu/drm/i915/i915_reg.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_hdmi.c | 1 |
2 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 833052ef7cf..71e7af91f1b 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -1700,6 +1700,7 @@ #define VIDEO_DIP_ENABLE (1 << 31) #define VIDEO_DIP_PORT_B (1 << 29) #define VIDEO_DIP_PORT_C (2 << 29) +#define VIDEO_DIP_PORT_MASK (3 << 29) #define VIDEO_DIP_ENABLE_AVI (1 << 21) #define VIDEO_DIP_ENABLE_VENDOR (2 << 21) #define VIDEO_DIP_ENABLE_SPD (8 << 21) diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c index af88313d72d..952eaf777ac 100644 --- a/drivers/gpu/drm/i915/intel_hdmi.c +++ b/drivers/gpu/drm/i915/intel_hdmi.c @@ -125,6 +125,7 @@ static void i9xx_write_infoframe(struct drm_encoder *encoder, /* XXX first guess at handling video port, is this corrent? */ + val &= ~VIDEO_DIP_PORT_MASK; if (intel_hdmi->sdvox_reg == SDVOB) val |= VIDEO_DIP_PORT_B; else if (intel_hdmi->sdvox_reg == SDVOC) |