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drm/amd/display: Add Logging for Gamma Related information (1/2)

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[Why]
A recent bug showed that logging would be useful in
debugging various gamma issues.

[How]
Add new log types and logging code to the color module.

Signed-off-by: Wyatt Wood <wyatt.wood@amd.com>
Reviewed-by: Aric Cyr <Aric.Cyr@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Wyatt Wood 2019-07-24 13:29:38 -04:00 committed by Alex Deucher
parent cf7180493c
commit bbdd620d3f
4 changed files with 16 additions and 0 deletions
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2
drivers/gpu/drm/amd/display/include/logger_interface.h
View File

@ -155,4 +155,6 @@ void context_clock_trace(
#define DISPLAY_STATS_END(entry) (void)(entry)
#define LOG_GAMMA_WRITE(msg, ...)
#endif /* __DAL_LOGGER_INTERFACE_H__ */

1
drivers/gpu/drm/amd/display/include/logger_types.h
View File

@ -117,6 +117,7 @@ enum dc_log_type {
LOG_DSC,
#endif
LOG_DWB,
LOG_GAMMA_DEBUG,
LOG_SECTION_TOTAL_COUNT
};

12
drivers/gpu/drm/amd/display/modules/color/color_gamma.c
View File

@ -97,6 +97,18 @@ void setup_x_points_distribution(void)
}
}
void log_x_points_distribution(struct dal_logger *logger)
{
int i = 0;
if (logger != NULL) {
LOG_GAMMA_WRITE("]Log X Distribution\n");
for (i = 0; i < MAX_HW_POINTS; i++)
LOG_GAMMA_WRITE("]%llu\n", coordinates_x[i].x.value);
}
}
static void compute_pq(struct fixed31_32 in_x, struct fixed31_32 *out_y)
{
/* consts for PQ gamma formula. */

1
drivers/gpu/drm/amd/display/modules/color/color_gamma.h
View File

@ -92,6 +92,7 @@ struct translate_from_linear_space_args {
};
void setup_x_points_distribution(void);
void log_x_points_distribution(struct dal_logger *logger);
void precompute_pq(void);
void precompute_de_pq(void);