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drm/amd/display: [RS4][RV] SDR Brightness Boost

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We assume FP16 1.0 frame buffer value maps to 80 nits.
DC changes are to make this configurable.

Signed-off-by: Krunoslav Kovac <Krunoslav.Kovac@amd.com>
Reviewed-by: Anthony Koo <Anthony.Koo@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Krunoslav Kovac 2017-12-22 11:22:39 -05:00 committed by Alex Deucher
parent 529c690ba8
commit 6d9ac917e6
2 changed files with 10 additions and 1 deletions
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6
drivers/gpu/drm/amd/display/dc/core/dc.c
View file

@ -1057,6 +1057,9 @@ static enum surface_update_type get_plane_info_update_type(const struct dc_surfa
if (u->plane_info->input_tf != u->surface->input_tf)
update_flags->bits.input_tf_change = 1;
if (u->plane_info->sdr_white_level != u->surface->sdr_white_level)
update_flags->bits.output_tf_change = 1;
if (u->plane_info->horizontal_mirror != u->surface->horizontal_mirror)
update_flags->bits.horizontal_mirror_change = 1;
@ -1101,7 +1104,8 @@ static enum surface_update_type get_plane_info_update_type(const struct dc_surfa
|| update_flags->bits.stereo_format_change
|| update_flags->bits.gamma_change
|| update_flags->bits.bpp_change
|| update_flags->bits.bandwidth_change)
|| update_flags->bits.bandwidth_change
|| update_flags->bits.output_tf_change)
return UPDATE_TYPE_FULL;
return UPDATE_TYPE_MED;

5
drivers/gpu/drm/amd/display/dc/dc.h
View file

@ -367,6 +367,8 @@ struct dc_transfer_func {
struct dc_transfer_func_distributed_points tf_pts;
enum dc_transfer_func_type type;
enum dc_transfer_func_predefined tf;
/* FP16 1.0 reference level in nits, default is 80 nits, only for PQ*/
uint32_t sdr_ref_white_level;
struct dc_context *ctx;
};
@ -397,6 +399,7 @@ union surface_update_flags {
uint32_t position_change:1;
uint32_t in_transfer_func_change:1;
uint32_t input_csc_change:1;
uint32_t output_tf_change:1;
/* Full updates */
uint32_t new_plane:1;
@ -428,6 +431,7 @@ struct dc_plane_state {
struct dc_bias_and_scale *bias_and_scale;
struct csc_transform input_csc_color_matrix;
struct fixed31_32 coeff_reduction_factor;
uint32_t sdr_white_level;
// TODO: No longer used, remove
struct dc_hdr_static_metadata hdr_static_ctx;
@ -464,6 +468,7 @@ struct dc_plane_info {
enum plane_stereo_format stereo_format;
enum dc_color_space color_space;
enum color_transfer_func input_tf;
unsigned int sdr_white_level;
bool horizontal_mirror;
bool visible;
bool per_pixel_alpha;