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authorDaniel Vetter <daniel.vetter@ffwll.ch>2013-11-01 10:50:23 +0100
committerDaniel Vetter <daniel.vetter@ffwll.ch>2013-11-01 18:27:56 +0100
commit26756809583c1023dcbc896261105c1e289d262b (patch)
treebaf28921b8c45cd39a689495db2b22c75b0b7502 /drivers/gpu/drm/i915/i915_debugfs.c
parent8d2f24ca1f19e1e5ca6b941a3f6488f9ccae5390 (diff)
drm/i915: Enable DP port CRC for the "auto" source on g4x/vlv
Now that DP port CRCs are stable, we can use it for generic CRC tests. Yay, the auto CRC source should now work everywhere! Reviewed-by: Damien Lespiau <damien.lespiau@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_debugfs.c')
-rw-r--r--drivers/gpu/drm/i915/i915_debugfs.c19
1 files changed, 17 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index 82c58eb1aa6..7008aacfc3c 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -1990,6 +1990,7 @@ static int i9xx_pipe_crc_auto_source(struct drm_device *dev, enum pipe pipe,
{
struct intel_encoder *encoder;
struct intel_crtc *crtc;
+ struct intel_digital_port *dig_port;
int ret = 0;
*source = INTEL_PIPE_CRC_SOURCE_PIPE;
@@ -2011,8 +2012,22 @@ static int i9xx_pipe_crc_auto_source(struct drm_device *dev, enum pipe pipe,
break;
case INTEL_OUTPUT_DISPLAYPORT:
case INTEL_OUTPUT_EDP:
- /* We can't get stable CRCs for DP ports somehow. */
- ret = -ENODEV;
+ dig_port = enc_to_dig_port(&encoder->base);
+ switch (dig_port->port) {
+ case PORT_B:
+ *source = INTEL_PIPE_CRC_SOURCE_DP_B;
+ break;
+ case PORT_C:
+ *source = INTEL_PIPE_CRC_SOURCE_DP_C;
+ break;
+ case PORT_D:
+ *source = INTEL_PIPE_CRC_SOURCE_DP_D;
+ break;
+ default:
+ WARN(1, "nonexisting DP port %c\n",
+ port_name(dig_port->port));
+ break;
+ }
break;
}
}