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-rw-r--r--drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dpp.c37
-rw-r--r--drivers/gpu/drm/amd/display/dc/inc/hw/dpp.h8
2 files changed, 43 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dpp.c b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dpp.c
index 7c18f31bb56c..a3a769aad042 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dpp.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dpp.c
@@ -44,12 +44,45 @@
void dpp30_read_state(struct dpp *dpp_base, struct dcn_dpp_state *s)
{
struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
+ uint32_t gamcor_lut_mode, rgam_lut_mode;
REG_GET(DPP_CONTROL,
- DPP_CLOCK_ENABLE, &s->is_enabled);
+ DPP_CLOCK_ENABLE, &s->is_enabled);
- // TODO: Implement for DCN3
+ // Pre-degamma (ROM)
+ REG_GET_2(PRE_DEGAM,
+ PRE_DEGAM_MODE, &s->pre_dgam_mode,
+ PRE_DEGAM_SELECT, &s->pre_dgam_select);
+
+ // Gamma Correction (RAM)
+ REG_GET(CM_GAMCOR_CONTROL,
+ CM_GAMCOR_MODE_CURRENT, &s->gamcor_mode);
+ if (s->gamcor_mode) {
+ REG_GET(CM_GAMCOR_CONTROL, CM_GAMCOR_SELECT_CURRENT, &gamcor_lut_mode);
+ if (!gamcor_lut_mode)
+ s->gamcor_mode = LUT_RAM_A; // Otherwise, LUT_RAM_B
+ }
+
+ // Shaper LUT (RAM), 3D LUT (mode, bit-depth, size)
+ REG_GET(CM_SHAPER_CONTROL,
+ CM_SHAPER_LUT_MODE, &s->shaper_lut_mode);
+ REG_GET(CM_3DLUT_MODE,
+ CM_3DLUT_MODE_CURRENT, &s->lut3d_mode);
+ REG_GET(CM_3DLUT_READ_WRITE_CONTROL,
+ CM_3DLUT_30BIT_EN, &s->lut3d_bit_depth);
+ REG_GET(CM_3DLUT_MODE,
+ CM_3DLUT_SIZE, &s->lut3d_size);
+
+ // Blend/Out Gamma (RAM)
+ REG_GET(CM_BLNDGAM_CONTROL,
+ CM_BLNDGAM_MODE_CURRENT, &s->rgam_lut_mode);
+ if (s->rgam_lut_mode){
+ REG_GET(CM_BLNDGAM_CONTROL, CM_BLNDGAM_SELECT_CURRENT, &rgam_lut_mode);
+ if (!rgam_lut_mode)
+ s->rgam_lut_mode = LUT_RAM_A; // Otherwise, LUT_RAM_B
+ }
}
+
/*program post scaler scs block in dpp CM*/
void dpp3_program_post_csc(
struct dpp *dpp_base,
diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/dpp.h b/drivers/gpu/drm/amd/display/dc/inc/hw/dpp.h
index b6acfd86642a..4e604bf24f51 100644
--- a/drivers/gpu/drm/amd/display/dc/inc/hw/dpp.h
+++ b/drivers/gpu/drm/amd/display/dc/inc/hw/dpp.h
@@ -151,6 +151,14 @@ struct dcn_dpp_state {
uint32_t gamut_remap_c33_c34;
// gamut_remap data for dcn*_log_color_state()
struct dpp_grph_csc_adjustment gamut_remap;
+ uint32_t shaper_lut_mode;
+ uint32_t lut3d_mode;
+ uint32_t lut3d_bit_depth;
+ uint32_t lut3d_size;
+ uint32_t blnd_lut_mode;
+ uint32_t pre_dgam_mode;
+ uint32_t pre_dgam_select;
+ uint32_t gamcor_mode;
};
struct CM_bias_params {