[PATCH 05/21] drm/i915: Wire up pipe CRC support for bdw

Ben Widawsky
2013-11-08T06:09:04Z

From: Daniel Vetter <daniel.vetter@ffwll.ch>

The layout of the CRC registers is the same as on hsw, only the
interrupt handling has changed a bit. So trivial to wire up, yay!

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
---
drivers/gpu/drm/i915/i915_irq.c | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 4420944..a06de99 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -1808,6 +1808,9 @@ static irqreturn_t gen8_irq_handler(int irq, void *arg)
intel_finish_page_flip_plane(dev, pipe);
}

+ if (pipe_iir & GEN8_PIPE_CDCLK_CRC_DONE)
+ hsw_pipe_crc_irq_handler(dev, pipe);
+
if (pipe_iir & GEN8_DE_PIPE_IRQ_FAULT_ERRORS) {
DRM_ERROR("Fault errors on pipe %c\n: 0x%08x",
pipe_name(pipe),
@@ -2898,6 +2901,7 @@ static void gen8_de_irq_postinstall(struct drm_i915_private *dev_priv)
struct drm_device *dev = dev_priv->dev;
uint32_t de_pipe_enables = GEN8_PIPE_FLIP_DONE |
GEN8_PIPE_VBLANK |
+ GEN8_PIPE_CDCLK_CRC_DONE |
GEN8_DE_PIPE_IRQ_FAULT_ERRORS;
int pipe;
dev_priv->de_irq_mask[PIPE_A] = ~de_pipe_enables;
--
1.8.4.2