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drm/i915: Enable DP port CRC for the "auto" source on g4x/vlv

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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>
This commit is contained in:
Daniel Vetter 2013-11-01 10:50:23 +01:00
parent 8d2f24ca1f
commit 2675680958
1 changed files with 17 additions and 2 deletions
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19
drivers/gpu/drm/i915/i915_debugfs.c
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@ -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;
}
}