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authorWyatt Wood <wyatt.wood@amd.com>2019-07-24 13:29:38 -0400
committerAlex Deucher <alexander.deucher@amd.com>2019-08-15 10:55:55 -0500
commitbbdd620d3f2fd78ea09946c101ed9a5e6decb8cd (patch)
treeb6bc4adceb75345a3223fac63851fa56341264d5 /drivers/gpu/drm/amd/display/modules
parentcf7180493cd3d47e4ee6f7e7a2d9da96ff53d73b (diff)
drm/amd/display: Add Logging for Gamma Related information (1/2)
[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>
Diffstat (limited to 'drivers/gpu/drm/amd/display/modules')
-rw-r--r--drivers/gpu/drm/amd/display/modules/color/color_gamma.c12
-rw-r--r--drivers/gpu/drm/amd/display/modules/color/color_gamma.h1
2 files changed, 13 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/modules/color/color_gamma.c b/drivers/gpu/drm/amd/display/modules/color/color_gamma.c
index 6f853f2519d9..34745f875582 100644
--- a/drivers/gpu/drm/amd/display/modules/color/color_gamma.c
+++ b/drivers/gpu/drm/amd/display/modules/color/color_gamma.c
@@ -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. */
diff --git a/drivers/gpu/drm/amd/display/modules/color/color_gamma.h b/drivers/gpu/drm/amd/display/modules/color/color_gamma.h
index 69cecd2ec251..44ddea58523a 100644
--- a/drivers/gpu/drm/amd/display/modules/color/color_gamma.h
+++ b/drivers/gpu/drm/amd/display/modules/color/color_gamma.h
@@ -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);