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git.baikalelectronics.ru Git - kernel.git/commit
drm/i915: Make Sink crc calculation waiting for counter to reset.
According to VESA DP spec TEST_CRC_COUNT (Bits 3:0) at
TEST_SINK_MISC (00246h) is "Reset to 0 when TEST_SINK bit 0 = 0;
So let's give few vblanks so we are really sure that this counter
is really zeroed on the next sink_crc read.
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>