[PATCH 2/2] drm/amd/display: use translate_curve_to_degamma_hw_format on DCN30

[Melissa Wen]

DCN3.01 presents the same banding issue as reported in the link below,
but the previous fix doesn't cover this hw. Change the helper for
degamma/blend curves for DCN30-based family.

Link: https://lore.kernel.org/amd-gfx/20260623160112.1636801-1-mwen@xxxxxxxxxx/
Fixes: 3719314af322 ("drm/amd/display: use a separate helper to translate degamma curves")
Signed-off-by: Melissa Wen <mwen@xxxxxxxxxx>
---
 .../gpu/drm/amd/display/dc/hwss/dcn30/dcn30_hwseq.c    | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn30/dcn30_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn30/dcn30_hwseq.c
index cb163902e12e..6980f622db0a 100644
--- a/drivers/gpu/drm/amd/display/dc/hwss/dcn30/dcn30_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn30/dcn30_hwseq.c
@@ -243,10 +243,9 @@ bool dcn30_set_blend_lut(
 	if (plane_state->cm.blend_func.type == TF_TYPE_HWPWL)
 		blend_lut = &plane_state->cm.blend_func.pwl;
 	else if (plane_state->cm.blend_func.type == TF_TYPE_DISTRIBUTED_POINTS) {
-		result = cm3_helper_translate_curve_to_hw_format(plane_state->ctx,
+		result = cm3_helper_translate_curve_to_degamma_hw_format(
 				&plane_state->cm.blend_func,
-				&dpp_base->regamma_params,
-				false);
+				&dpp_base->regamma_params);
 		if (!result)
 			return result;
 
@@ -337,9 +336,8 @@ bool dcn30_set_input_transfer_func(struct dc *dc,
 	if (plane_state->in_transfer_func.type == TF_TYPE_HWPWL)
 		params = &plane_state->in_transfer_func.pwl;
 	else if (plane_state->in_transfer_func.type == TF_TYPE_DISTRIBUTED_POINTS &&
-		cm3_helper_translate_curve_to_hw_format(plane_state->ctx,
-							&plane_state->in_transfer_func,
-							&dpp_base->degamma_params, false))
+		cm3_helper_translate_curve_to_degamma_hw_format(&plane_state->in_transfer_func,
+								&dpp_base->degamma_params))
 		params = &dpp_base->degamma_params;
 
 	result = dpp_base->funcs->dpp_program_gamcor_lut(dpp_base, params);
-- 
2.53.0