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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: John Barberiz <jbarberi@amd.com>
Reviewed-by: Krunoslav Kovac <Krunoslav.Kovac@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
John Barberiz 2018-01-18 12:22:11 -05:00 committed by Alex Deucher
parent 69b9723a81
commit 3e5df76ae5
2 changed files with 5 additions and 1 deletions
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2
drivers/gpu/drm/amd/display/dc/dc_hw_types.h
View File

@ -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*/

4
drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
View File

@ -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)