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drm/amd/display: wa to program split pipedegamma regs after mode set. 

Signed-off-by: Yongqiang Sun <yongqiang.sun@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Yongqiang Sun 2017-10-02 17:08:24 -04:00 committed by Alex Deucher
parent 13ab1b4415
commit 309c42efda
1 changed files with 3 additions and 1 deletions
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4
drivers/gpu/drm/amd/display/dc/core/dc.c
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@ -1282,7 +1282,9 @@ static void commit_planes_for_stream(struct dc *dc,
if (update_type == UPDATE_TYPE_FAST)
continue;
if (srf_updates[i].in_transfer_func)
/* work around to program degamma regs for split pipe after set mode. */
if (srf_updates[i].in_transfer_func || (pipe_ctx->top_pipe &&
pipe_ctx->top_pipe->plane_state == pipe_ctx->plane_state))
dc->hwss.set_input_transfer_func(
pipe_ctx, pipe_ctx->plane_state);