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6deef9b605
Possible hang with NV12 plane surface formats. WA: When the plane source pixel format is NV12, the CHICKEN_PIPESL_* register bit 22 must be set to 1 and the render decompression must not be enabled on any of the planes in that pipe. v2: removed unnecessary POSTING_READ v3: Added RB from Maarten v4: Removed support for NV12 for BROXTON Credits-to: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Signed-off-by: Vidya Srinivas <vidya.srinivas@intel.com> Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/1526074397-10457-3-git-send-email-vidya.srinivas@intel.com