[Intel-gfx] [PATCH 16/16] drm/i915: Wire up CRC for vlv

[Daniel Vetter]

Signed-off-by: Daniel Vetter <daniel.vet...@ffwll.ch>
---
 drivers/gpu/drm/i915/i915_debugfs.c | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/drivers/gpu/drm/i915/i915_debugfs.c 
b/drivers/gpu/drm/i915/i915_debugfs.c
index ff6970b..5841b6f 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -1961,6 +1961,29 @@ static int i8xx_pipe_crc_ctl_reg(enum 
intel_pipe_crc_source source,
        return 0;
 }
 
+static int vlv_pipe_crc_ctl_reg(enum intel_pipe_crc_source source,
+                               uint32_t *val)
+{
+       switch (source) {
+       case INTEL_PIPE_CRC_SOURCE_PIPE:
+               *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_PIPE_VLV;
+               break;
+       case INTEL_PIPE_CRC_SOURCE_DP_B:
+               *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_DP_B_VLV;
+               break;
+       case INTEL_PIPE_CRC_SOURCE_DP_C:
+               *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_DP_C_VLV;
+               break;
+       case INTEL_PIPE_CRC_SOURCE_NONE:
+               *val = 0;
+               break;
+       default:
+               return -EINVAL;
+       }
+
+       return 0;
+}
+
 static int i9xx_pipe_crc_ctl_reg(struct drm_device *dev,
                                 enum intel_pipe_crc_source source,
                                 uint32_t *val)
@@ -2067,6 +2090,8 @@ static int pipe_crc_set_source(struct drm_device *dev, 
enum pipe pipe,
                ret = i8xx_pipe_crc_ctl_reg(source, &val);
        else if (INTEL_INFO(dev)->gen < 5)
                ret = i9xx_pipe_crc_ctl_reg(dev, source, &val);
+       else if (IS_VALLEYVIEW(dev))
+               ret = vlv_pipe_crc_ctl_reg(source, &val);
        else if (IS_GEN5(dev) || IS_GEN6(dev))
                ret = ilk_pipe_crc_ctl_reg(source, &val);
        else
-- 
1.8.4.rc3

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