diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dpp_cm.c')
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dpp_cm.c | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dpp_cm.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dpp_cm.c index 598caa508d43..58dc69926e8a 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dpp_cm.c +++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dpp_cm.c @@ -234,6 +234,61 @@ void dpp2_cm_set_gamut_remap( } } +static void read_gamut_remap(struct dcn20_dpp *dpp, + uint16_t *regval, + enum dcn20_gamut_remap_select *select) +{ + struct color_matrices_reg gam_regs; + uint32_t selection; + + IX_REG_GET(CM_TEST_DEBUG_INDEX, CM_TEST_DEBUG_DATA, + CM_TEST_DEBUG_DATA_STATUS_IDX, + CM_TEST_DEBUG_DATA_GAMUT_REMAP_MODE, &selection); + + *select = selection; + + gam_regs.shifts.csc_c11 = dpp->tf_shift->CM_GAMUT_REMAP_C11; + gam_regs.masks.csc_c11 = dpp->tf_mask->CM_GAMUT_REMAP_C11; + gam_regs.shifts.csc_c12 = dpp->tf_shift->CM_GAMUT_REMAP_C12; + gam_regs.masks.csc_c12 = dpp->tf_mask->CM_GAMUT_REMAP_C12; + + if (*select == DCN2_GAMUT_REMAP_COEF_A) { + gam_regs.csc_c11_c12 = REG(CM_GAMUT_REMAP_C11_C12); + gam_regs.csc_c33_c34 = REG(CM_GAMUT_REMAP_C33_C34); + + cm_helper_read_color_matrices(dpp->base.ctx, + regval, + &gam_regs); + + } else if (*select == DCN2_GAMUT_REMAP_COEF_B) { + gam_regs.csc_c11_c12 = REG(CM_GAMUT_REMAP_B_C11_C12); + gam_regs.csc_c33_c34 = REG(CM_GAMUT_REMAP_B_C33_C34); + + cm_helper_read_color_matrices(dpp->base.ctx, + regval, + &gam_regs); + } +} + +void dpp2_cm_get_gamut_remap(struct dpp *dpp_base, + struct dpp_grph_csc_adjustment *adjust) +{ + struct dcn20_dpp *dpp = TO_DCN20_DPP(dpp_base); + uint16_t arr_reg_val[12]; + enum dcn20_gamut_remap_select select; + + read_gamut_remap(dpp, arr_reg_val, &select); + + if (select == DCN2_GAMUT_REMAP_BYPASS) { + adjust->gamut_adjust_type = GRAPHICS_GAMUT_ADJUST_TYPE_BYPASS; + return; + } + + adjust->gamut_adjust_type = GRAPHICS_GAMUT_ADJUST_TYPE_SW; + convert_hw_matrix(adjust->temperature_matrix, + arr_reg_val, ARRAY_SIZE(arr_reg_val)); +} + void dpp2_program_input_csc( struct dpp *dpp_base, enum dc_color_space color_space, |