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author | Xingyue Tao <xingyue.tao@amd.com> | 2018-03-14 17:57:42 -0400 |
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committer | Alex Deucher <alexander.deucher@amd.com> | 2018-04-11 13:07:44 -0500 |
commit | 7608f8569d8fee1372d4a3409aea5cca0b13b194 (patch) | |
tree | 85d6ccdc998a38ed6c91f934bae9198f673fe780 /drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp_cm.c | |
parent | 8d815b4635382dddd58bf03bbcfac9f4e5201151 (diff) | |
download | linux-stable-7608f8569d8fee1372d4a3409aea5cca0b13b194.tar.gz linux-stable-7608f8569d8fee1372d4a3409aea5cca0b13b194.tar.bz2 linux-stable-7608f8569d8fee1372d4a3409aea5cca0b13b194.zip |
drm/amd/display: Add double buffer machanism to ICSC
- Video playback shows tearing when adjusting
brightness through radeon custom settings.
- Now added double buffer mechanism to switch
input CSC from register buffer ICSC and COMA
- Improved tab alignment
Signed-off-by: Xingyue Tao <xingyue.tao@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp_cm.c')
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp_cm.c | 44 |
1 files changed, 28 insertions, 16 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp_cm.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp_cm.c index fb32975e4b67..cc511415caee 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp_cm.c +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp_cm.c @@ -267,6 +267,7 @@ void dpp1_cm_set_output_csc_default( BREAK_TO_DEBUGGER(); return; } + dpp1_cm_program_color_matrix(dpp, regval); REG_SET(CM_OCSC_CONTROL, 0, CM_OCSC_MODE, ocsc_mode); } @@ -330,6 +331,7 @@ void dpp1_cm_set_output_csc_adjustment( { struct dcn10_dpp *dpp = TO_DCN10_DPP(dpp_base); uint32_t ocsc_mode = 4; + dpp1_cm_program_color_matrix(dpp, regval); REG_SET(CM_OCSC_CONTROL, 0, CM_OCSC_MODE, ocsc_mode); } @@ -437,17 +439,18 @@ void dpp1_cm_program_regamma_lutb_settings( void dpp1_program_input_csc( struct dpp *dpp_base, enum dc_color_space color_space, - enum dcn10_input_csc_select select, + enum dcn10_input_csc_select input_select, const struct out_csc_color_matrix *tbl_entry) { struct dcn10_dpp *dpp = TO_DCN10_DPP(dpp_base); int i; int arr_size = sizeof(dcn10_input_csc_matrix)/sizeof(struct dcn10_input_csc_matrix); const uint16_t *regval = NULL; - uint32_t selection = 1; + uint32_t cur_select = 0; + enum dcn10_input_csc_select select; struct color_matrices_reg gam_regs; - if (select == INPUT_CSC_SELECT_BYPASS) { + if (input_select == INPUT_CSC_SELECT_BYPASS) { REG_SET(CM_ICSC_CONTROL, 0, CM_ICSC_MODE, 0); return; } @@ -467,36 +470,45 @@ void dpp1_program_input_csc( regval = tbl_entry->regval; } - if (select == INPUT_CSC_SELECT_COMA) - selection = 2; - REG_SET(CM_ICSC_CONTROL, 0, - CM_ICSC_MODE, selection); + /* determine which CSC matrix (icsc or coma) we are using + * currently. select the alternate set to double buffer + * the CSC update so CSC is updated on frame boundary + */ + REG_SET(CM_TEST_DEBUG_INDEX, 0, + CM_TEST_DEBUG_INDEX, 9); + + REG_GET(CM_TEST_DEBUG_DATA, + CM_TEST_DEBUG_DATA_ID9_ICSC_MODE, &cur_select); + + if (cur_select != INPUT_CSC_SELECT_ICSC) + select = INPUT_CSC_SELECT_ICSC; + else + select = INPUT_CSC_SELECT_COMA; gam_regs.shifts.csc_c11 = dpp->tf_shift->CM_ICSC_C11; gam_regs.masks.csc_c11 = dpp->tf_mask->CM_ICSC_C11; gam_regs.shifts.csc_c12 = dpp->tf_shift->CM_ICSC_C12; gam_regs.masks.csc_c12 = dpp->tf_mask->CM_ICSC_C12; - if (select == INPUT_CSC_SELECT_ICSC) { gam_regs.csc_c11_c12 = REG(CM_ICSC_C11_C12); gam_regs.csc_c33_c34 = REG(CM_ICSC_C33_C34); - cm_helper_program_color_matrices( - dpp->base.ctx, - regval, - &gam_regs); } else { gam_regs.csc_c11_c12 = REG(CM_COMA_C11_C12); gam_regs.csc_c33_c34 = REG(CM_COMA_C33_C34); - cm_helper_program_color_matrices( - dpp->base.ctx, - regval, - &gam_regs); } + + cm_helper_program_color_matrices( + dpp->base.ctx, + regval, + &gam_regs); + + REG_SET(CM_ICSC_CONTROL, 0, + CM_ICSC_MODE, select); } //keep here for now, decide multi dce support later |