Commit 3e5df76a authored by John Barberiz's avatar John Barberiz Committed by Alex Deucher
Browse files

drm/amd/display: Bypass gamma set if not standard type 



If non-standard gamma type detected set identity matrix flag
so that we can bypass the gamma mode.

Signed-off-by: default avatarJohn Barberiz <jbarberi@amd.com>
Reviewed-by: default avatarKrunoslav Kovac <Krunoslav.Kovac@amd.com>
Acked-by: default avatarHarry Wentland <harry.wentland@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 69b9723a

drivers/gpu/drm/amd/display/dc/dc_hw_types.h

+2 −0
Original line number Diff line number Diff line
@@ -436,6 +436,8 @@ struct dc_gamma { 


	/* private to DC core */

	struct dc_context *ctx;



	bool is_identity;

};



/* Used by both ipp amd opp functions*/

drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c

+3 −1
Original line number Diff line number Diff line
@@ -900,7 +900,9 @@ static bool dcn10_set_input_transfer_func(struct pipe_ctx *pipe_ctx, 
	if (plane_state->in_transfer_func)

		tf = plane_state->in_transfer_func;



	if (plane_state->gamma_correction && dce_use_lut(plane_state->format))

	if (plane_state->gamma_correction->is_identity)

		dpp_base->funcs->dpp_set_degamma(dpp_base, IPP_DEGAMMA_MODE_BYPASS);

	else if (plane_state->gamma_correction && dce_use_lut(plane_state->format))

		dpp_base->funcs->dpp_program_input_lut(dpp_base, plane_state->gamma_correction);



	if (tf == NULL)

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