v2: Actually enable it.
Signed-off-by: Daniel Vetter <[email protected]>
---
drivers/gpu/drm/i915/i915_debugfs.c | 28 +++++++++++++++++++++++++---
1 file changed, 25 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c
b/drivers/gpu/drm/i915/i915_debugfs.c
index 3f4fd7c..eb61c4b 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)
@@ -2053,9 +2076,6 @@ static int pipe_crc_set_source(struct drm_device *dev,
enum pipe pipe,
u32 val;
int ret;
- if (IS_VALLEYVIEW(dev))
- return -ENODEV;
-
if (pipe_crc->source == source)
return 0;
@@ -2067,6 +2087,8 @@ 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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