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Commit 26756809 authored by Daniel Vetter's avatar Daniel Vetter
Browse files

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: default avatarDamien Lespiau <damien.lespiau@intel.com>
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
parent 8d2f24ca

drivers/gpu/drm/i915/i915_debugfs.c

+17 −2
Original line number Diff line number Diff line
@@ -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;

		}

	}