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drm/amd/display: Add debug option to override EASF scaler taps

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[Why & How]
Add new option override_easf to use in_taps instead of internal
 taps policy for debugging

Reviewed-by: Alvin Lee <alvin.lee2@amd.com>
Signed-off-by: Samson Tam <Samson.Tam@amd.com>
Signed-off-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Samson Tam
2025-09-25 15:01:23 -04:00
committed by Alex Deucher
parent 9dddfac98e
commit f9491b6763
3 changed files with 18 additions and 0 deletions
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2
drivers/gpu/drm/amd/display/dc/dc_spl_translate.c
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@@ -147,6 +147,8 @@ void translate_SPL_in_params_from_pipe_ctx(struct pipe_ctx *pipe_ctx, struct spl
spl_in->prefer_easf = false;
else if (pipe_ctx->stream->ctx->dc->debug.force_easf == 2)
spl_in->disable_easf = true;
else if (pipe_ctx->stream->ctx->dc->debug.force_easf == 3)
spl_in->override_easf = true;
/* Translate adaptive sharpening preference */
unsigned int sharpness_setting = pipe_ctx->stream->ctx->dc->debug.force_sharpness;
unsigned int force_sharpness_level = pipe_ctx->stream->ctx->dc->debug.force_sharpness_level;

15
drivers/gpu/drm/amd/display/dc/sspl/dc_spl.c
View File

@@ -1018,6 +1018,21 @@ static bool spl_get_optimal_number_of_taps(
spl_scratch->scl_data.taps.h_taps_c = 6;
spl_scratch->scl_data.taps.v_taps_c = 6;
}
/* Override mode: keep EASF enabled but use input taps if valid */
if (spl_in->override_easf) {
spl_scratch->scl_data.taps.h_taps = (in_taps->h_taps != 0) ? in_taps->h_taps : spl_scratch->scl_data.taps.h_taps;
spl_scratch->scl_data.taps.v_taps = (in_taps->v_taps != 0) ? in_taps->v_taps : spl_scratch->scl_data.taps.v_taps;
spl_scratch->scl_data.taps.h_taps_c = (in_taps->h_taps_c != 0) ? in_taps->h_taps_c : spl_scratch->scl_data.taps.h_taps_c;
spl_scratch->scl_data.taps.v_taps_c = (in_taps->v_taps_c != 0) ? in_taps->v_taps_c : spl_scratch->scl_data.taps.v_taps_c;
if ((spl_scratch->scl_data.taps.h_taps > 6) || (spl_scratch->scl_data.taps.v_taps > 6))
skip_easf = true;
if ((spl_scratch->scl_data.taps.h_taps > 1) && (spl_scratch->scl_data.taps.h_taps % 2))
spl_scratch->scl_data.taps.h_taps--;
if ((spl_scratch->scl_data.taps.h_taps_c > 1) && (spl_scratch->scl_data.taps.h_taps_c % 2))
spl_scratch->scl_data.taps.h_taps_c--;
}
}
/*Ensure we can support the requested number of vtaps*/

1
drivers/gpu/drm/amd/display/dc/sspl/dc_spl_types.h
View File

@@ -545,6 +545,7 @@ struct spl_in {
enum linear_light_scaling lls_pref; // Linear Light Scaling
bool prefer_easf;
bool disable_easf;
bool override_easf; /* If true, keep EASF enabled but use provided in_taps */
struct spl_debug debug;
bool is_fullscreen;
bool is_hdr_on;