From aa708057c410175879dcdcdc8bdccd9b1f06e413 Mon Sep 17 00:00:00 2001 From: Melissa Wen Date: Tue, 28 Nov 2023 16:52:53 -0100 Subject: drm/amd/display: add get_gamut_remap helper for MPC3 We want to be able to read the MPC's gamut remap matrix similar to what we do with .dpp_get_gamut_remap functions. On the other hand, we don't need a hook here because only DCN3+ has the MPC gamut remap block, being absent in previous families. Signed-off-by: Melissa Wen Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/dc/dcn30/dcn30_mpc.c | 58 ++++++++++++++++++++++++ drivers/gpu/drm/amd/display/dc/dcn30/dcn30_mpc.h | 4 ++ 2 files changed, 62 insertions(+) diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_mpc.c b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_mpc.c index d1500b223858..a6a4c3413f89 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_mpc.c +++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_mpc.c @@ -1129,6 +1129,64 @@ void mpc3_set_gamut_remap( } } +static void read_gamut_remap(struct dcn30_mpc *mpc30, + int mpcc_id, + uint16_t *regval, + uint32_t *select) +{ + struct color_matrices_reg gam_regs; + + //current coefficient set in use + REG_GET(MPCC_GAMUT_REMAP_MODE[mpcc_id], MPCC_GAMUT_REMAP_MODE_CURRENT, select); + + gam_regs.shifts.csc_c11 = mpc30->mpc_shift->MPCC_GAMUT_REMAP_C11_A; + gam_regs.masks.csc_c11 = mpc30->mpc_mask->MPCC_GAMUT_REMAP_C11_A; + gam_regs.shifts.csc_c12 = mpc30->mpc_shift->MPCC_GAMUT_REMAP_C12_A; + gam_regs.masks.csc_c12 = mpc30->mpc_mask->MPCC_GAMUT_REMAP_C12_A; + + if (*select == GAMUT_REMAP_COEFF) { + gam_regs.csc_c11_c12 = REG(MPC_GAMUT_REMAP_C11_C12_A[mpcc_id]); + gam_regs.csc_c33_c34 = REG(MPC_GAMUT_REMAP_C33_C34_A[mpcc_id]); + + cm_helper_read_color_matrices( + mpc30->base.ctx, + regval, + &gam_regs); + + } else if (*select == GAMUT_REMAP_COMA_COEFF) { + + gam_regs.csc_c11_c12 = REG(MPC_GAMUT_REMAP_C11_C12_B[mpcc_id]); + gam_regs.csc_c33_c34 = REG(MPC_GAMUT_REMAP_C33_C34_B[mpcc_id]); + + cm_helper_read_color_matrices( + mpc30->base.ctx, + regval, + &gam_regs); + + } + +} + +void mpc3_get_gamut_remap(struct mpc *mpc, + int mpcc_id, + struct mpc_grph_gamut_adjustment *adjust) +{ + struct dcn30_mpc *mpc30 = TO_DCN30_MPC(mpc); + uint16_t arr_reg_val[12]; + int select; + + read_gamut_remap(mpc30, mpcc_id, arr_reg_val, &select); + + if (select == 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)); +} + bool mpc3_program_3dlut( struct mpc *mpc, const struct tetrahedral_params *params, diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_mpc.h b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_mpc.h index 5198f2167c7c..9cb96ae95a2f 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_mpc.h +++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_mpc.h @@ -1056,6 +1056,10 @@ void mpc3_set_gamut_remap( int mpcc_id, const struct mpc_grph_gamut_adjustment *adjust); +void mpc3_get_gamut_remap(struct mpc *mpc, + int mpcc_id, + struct mpc_grph_gamut_adjustment *adjust); + void mpc3_set_rmu_mux( struct mpc *mpc, int rmu_idx, -- cgit v1.2.3