From: Ilya Bakoulin <ilya.bakou...@amd.com>

Need to use cm3_helper function with DCN401 to avoid cases where high
RGB component values can get set to zero if using the TF curve generated
by cm_helper.

Signed-off-by: Ilya Bakoulin <ilya.bakou...@amd.com>
Reviewed-by: Alvin Lee <alvin.l...@amd.com>
Signed-off-by: Rodrigo Siqueira <rodrigo.sique...@amd.com>
---
 .../amd/display/dc/hwss/dcn401/dcn401_hwseq.c | 22 +++++++++----------
 1 file changed, 10 insertions(+), 12 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_hwseq.c 
b/drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_hwseq.c
index 0fa610590245..8e1ca709d304 100644
--- a/drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_hwseq.c
@@ -497,6 +497,7 @@ void dcn401_populate_mcm_luts(struct dc *dc,
        enum MCM_LUT_XABLE lut3d_xable = MCM_LUT_DISABLE;
        enum MCM_LUT_XABLE lut1d_xable = MCM_LUT_DISABLE;
        bool is_17x17x17 = true;
+       bool rval;
 
        dcn401_get_mcm_lut_xable_from_pipe_ctx(dc, pipe_ctx, &shaper_xable, 
&lut3d_xable, &lut1d_xable);
 
@@ -506,11 +507,10 @@ void dcn401_populate_mcm_luts(struct dc *dc,
                if (mcm_luts.lut1d_func->type == TF_TYPE_HWPWL)
                        m_lut_params.pwl = &mcm_luts.lut1d_func->pwl;
                else if (mcm_luts.lut1d_func->type == 
TF_TYPE_DISTRIBUTED_POINTS) {
-                       cm_helper_translate_curve_to_hw_format(
-                                       dc->ctx,
+                       rval = cm3_helper_translate_curve_to_hw_format(
                                        mcm_luts.lut1d_func,
                                        &dpp_base->regamma_params, false);
-                       m_lut_params.pwl = &dpp_base->regamma_params;
+                       m_lut_params.pwl = rval ? &dpp_base->regamma_params : 
NULL;
                }
                if (m_lut_params.pwl) {
                        if (mpc->funcs->populate_lut)
@@ -527,11 +527,10 @@ void dcn401_populate_mcm_luts(struct dc *dc,
                        m_lut_params.pwl = &mcm_luts.shaper->pwl;
                else if (mcm_luts.shaper->type == TF_TYPE_DISTRIBUTED_POINTS) {
                        ASSERT(false);
-                       cm_helper_translate_curve_to_hw_format(
-                                       dc->ctx,
+                       rval = cm3_helper_translate_curve_to_hw_format(
                                        mcm_luts.shaper,
                                        &dpp_base->regamma_params, true);
-                       m_lut_params.pwl = &dpp_base->regamma_params;
+                       m_lut_params.pwl = rval ? &dpp_base->regamma_params : 
NULL;
                }
                if (m_lut_params.pwl) {
                        if (mpc->funcs->populate_lut)
@@ -669,6 +668,7 @@ bool dcn401_set_mcm_luts(struct pipe_ctx *pipe_ctx,
        struct mpc *mpc = pipe_ctx->stream_res.opp->ctx->dc->res_pool->mpc;
        bool result = true;
        const struct pwl_params *lut_params = NULL;
+       bool rval;
 
        mpc->funcs->set_movable_cm_location(mpc, 
MPCC_MOVABLE_CM_LOCATION_BEFORE, mpcc_id);
        pipe_ctx->plane_state->mcm_location = MPCC_MOVABLE_CM_LOCATION_BEFORE;
@@ -677,10 +677,9 @@ bool dcn401_set_mcm_luts(struct pipe_ctx *pipe_ctx,
                if (plane_state->blend_tf.type == TF_TYPE_HWPWL)
                        lut_params = &plane_state->blend_tf.pwl;
                else if (plane_state->blend_tf.type == 
TF_TYPE_DISTRIBUTED_POINTS) {
-                       cm_helper_translate_curve_to_hw_format(plane_state->ctx,
-                                       &plane_state->blend_tf,
+                       rval = 
cm3_helper_translate_curve_to_hw_format(&plane_state->blend_tf,
                                        &dpp_base->regamma_params, false);
-                       lut_params = &dpp_base->regamma_params;
+                       lut_params = rval ? &dpp_base->regamma_params : NULL;
                }
                result = mpc->funcs->program_1dlut(mpc, lut_params, mpcc_id);
                lut_params = NULL;
@@ -693,10 +692,9 @@ bool dcn401_set_mcm_luts(struct pipe_ctx *pipe_ctx,
                else if (plane_state->in_shaper_func.type == 
TF_TYPE_DISTRIBUTED_POINTS) {
                        // TODO: dpp_base replace
                        ASSERT(false);
-                       cm_helper_translate_curve_to_hw_format(plane_state->ctx,
-                                       &plane_state->in_shaper_func,
+                       rval = 
cm3_helper_translate_curve_to_hw_format(&plane_state->in_shaper_func,
                                        &dpp_base->shaper_params, true);
-                       lut_params = &dpp_base->shaper_params;
+                       lut_params = rval ? &dpp_base->shaper_params : NULL;
                }
 
                result = mpc->funcs->program_shaper(mpc, lut_params, mpcc_id);
-- 
2.43.0

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