On Wed, Oct 01, 2014 at 07:32:37AM -0700, Rodrigo Vivi wrote:
Nothing is usually to little commit message. I've fixed this while
applying.
> Cc: Daniel Vetter <daniel.vetter@xxxxxxxx>
> Cc: Todd Previte <tprevite@xxxxxxxxx>
> Signed-off-by: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
Queued for -next, thanks for the patch.
-Daniel
> ---
> drivers/gpu/drm/i915/intel_dp.c | 19 +++++++++++++------
> 1 file changed, 13 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
> index ad4eb6d..8ead695 100644
> --- a/drivers/gpu/drm/i915/intel_dp.c
> +++ b/drivers/gpu/drm/i915/intel_dp.c
> @@ -3868,16 +3868,21 @@ int intel_dp_sink_crc(struct intel_dp *intel_dp, u8 *crc)
> if (!(buf & DP_TEST_CRC_SUPPORTED))
> return -ENOTTY;
>
> - drm_dp_dpcd_readb(&intel_dp->aux, DP_TEST_SINK, &buf);
> + if (drm_dp_dpcd_readb(&intel_dp->aux, DP_TEST_SINK, &buf) < 0)
> + return -EIO;
> +
> if (drm_dp_dpcd_writeb(&intel_dp->aux, DP_TEST_SINK,
> buf | DP_TEST_SINK_START) < 0)
> return -EIO;
>
> - drm_dp_dpcd_readb(&intel_dp->aux, DP_TEST_SINK_MISC, &buf);
> + if (drm_dp_dpcd_readb(&intel_dp->aux, DP_TEST_SINK_MISC, &buf) < 0)
> + return -EIO;
> test_crc_count = buf & DP_TEST_COUNT_MASK;
>
> do {
> - drm_dp_dpcd_readb(&intel_dp->aux, DP_TEST_SINK_MISC, &buf);
> + if (drm_dp_dpcd_readb(&intel_dp->aux,
> + DP_TEST_SINK_MISC, &buf) < 0)
> + return -EIO;
> intel_wait_for_vblank(dev, intel_crtc->pipe);
> } while (--attempts && (buf & DP_TEST_COUNT_MASK) == test_crc_count);
>
> @@ -3889,9 +3894,11 @@ int intel_dp_sink_crc(struct intel_dp *intel_dp, u8 *crc)
> if (drm_dp_dpcd_read(&intel_dp->aux, DP_TEST_CRC_R_CR, crc, 6) < 0)
> return -EIO;
>
> - drm_dp_dpcd_readb(&intel_dp->aux, DP_TEST_SINK, &buf);
> - drm_dp_dpcd_writeb(&intel_dp->aux, DP_TEST_SINK,
> - buf & ~DP_TEST_SINK_START);
> + if (drm_dp_dpcd_readb(&intel_dp->aux, DP_TEST_SINK, &buf) < 0)
> + return -EIO;
> + if (drm_dp_dpcd_writeb(&intel_dp->aux, DP_TEST_SINK,
> + buf & ~DP_TEST_SINK_START) < 0)
> + return -EIO;
>
> return 0;
> }
> --
> 1.9.3
>
--
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch
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