diff options
| author | Paulo Zanoni <paulo.r.zanoni@intel.com> | 2012-10-31 18:12:49 -0200 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2012-11-11 23:51:24 +0100 |
| commit | 25f3ef11cda25c71e14011990f6ad5e587c3c214 (patch) | |
| tree | e02c2931239d9c553af52b63db8b63fd434e482d | |
| parent | 937bb610b2b4c99946260cd64ab3cb562ec41b65 (diff) | |
drm/i915: don't rely on previous values when setting LPT TRANSCONF
Because we already set all the bits we can set.
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
[danvet: apply by hand due to dropped patch. Also, obey my OCD a bit
and do a s/_TRANSACONF/TRANSCONF(TRANSCODER_A)/, makes it more
consisten with other lpt pch code imnsho ...]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
| -rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 9c25199a5e4a..43ad1a556b3c 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -1729,16 +1729,15 @@ static void lpt_enable_pch_transcoder(struct drm_i915_private *dev_priv, assert_fdi_tx_enabled(dev_priv, cpu_transcoder); assert_fdi_rx_enabled(dev_priv, TRANSCODER_A); - val = I915_READ(_TRANSACONF); + val = TRANS_ENABLE; pipeconf_val = I915_READ(PIPECONF(cpu_transcoder)); - val &= ~TRANS_INTERLACE_MASK; if ((pipeconf_val & PIPECONF_INTERLACE_MASK) == PIPECONF_INTERLACED_ILK) val |= TRANS_INTERLACED; else val |= TRANS_PROGRESSIVE; - I915_WRITE(_TRANSACONF, val | TRANS_ENABLE); + I915_WRITE(TRANSCONF(TRANSCODER_A), val); if (wait_for(I915_READ(_TRANSACONF) & TRANS_STATE_ENABLE, 100)) DRM_ERROR("Failed to enable PCH transcoder\n"); } |