diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_display.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 24 |
1 files changed, 9 insertions, 15 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 87f958908f8e..9c25199a5e4a 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -1718,25 +1718,19 @@ static void ironlake_enable_pch_transcoder(struct drm_i915_private *dev_priv, } static void lpt_enable_pch_transcoder(struct drm_i915_private *dev_priv, - enum pipe pipe) + enum transcoder cpu_transcoder) { - int reg; u32 val, pipeconf_val; /* PCH only available on ILK+ */ BUG_ON(dev_priv->info->gen < 5); /* FDI must be feeding us bits for PCH ports */ - assert_fdi_tx_enabled(dev_priv, pipe); - assert_fdi_rx_enabled(dev_priv, pipe); + assert_fdi_tx_enabled(dev_priv, cpu_transcoder); + assert_fdi_rx_enabled(dev_priv, TRANSCODER_A); - if (IS_HASWELL(dev_priv->dev) && pipe > 0) { - DRM_ERROR("Attempting to enable transcoder on Haswell with pipe > 0\n"); - return; - } - reg = TRANSCONF(pipe); - val = I915_READ(reg); - pipeconf_val = I915_READ(PIPECONF(pipe)); + val = I915_READ(_TRANSACONF); + pipeconf_val = I915_READ(PIPECONF(cpu_transcoder)); val &= ~TRANS_INTERLACE_MASK; if ((pipeconf_val & PIPECONF_INTERLACE_MASK) == PIPECONF_INTERLACED_ILK) @@ -1744,9 +1738,9 @@ static void lpt_enable_pch_transcoder(struct drm_i915_private *dev_priv, else val |= TRANS_PROGRESSIVE; - I915_WRITE(reg, val | TRANS_ENABLE); - if (wait_for(I915_READ(reg) & TRANS_STATE_ENABLE, 100)) - DRM_ERROR("failed to enable transcoder %d\n", pipe); + I915_WRITE(_TRANSACONF, val | TRANS_ENABLE); + if (wait_for(I915_READ(_TRANSACONF) & TRANS_STATE_ENABLE, 100)) + DRM_ERROR("Failed to enable PCH transcoder\n"); } static void ironlake_disable_pch_transcoder(struct drm_i915_private *dev_priv, @@ -3244,7 +3238,7 @@ static void lpt_pch_enable(struct drm_crtc *crtc) I915_WRITE(_TRANS_VSYNC_A, I915_READ(VSYNC(cpu_transcoder))); I915_WRITE(_TRANS_VSYNCSHIFT_A, I915_READ(VSYNCSHIFT(cpu_transcoder))); - lpt_enable_pch_transcoder(dev_priv, intel_crtc->pipe); + lpt_enable_pch_transcoder(dev_priv, cpu_transcoder); } static void intel_put_pch_pll(struct intel_crtc *intel_crtc) |