diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dsc')
5 files changed, 48 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dsc/dcn20/dcn20_dsc.c b/drivers/gpu/drm/amd/display/dc/dsc/dcn20/dcn20_dsc.c index 89f0d999bf35..242f1e6f0d8f 100644 --- a/drivers/gpu/drm/amd/display/dc/dsc/dcn20/dcn20_dsc.c +++ b/drivers/gpu/drm/amd/display/dc/dsc/dcn20/dcn20_dsc.c @@ -35,6 +35,7 @@ static void dsc_write_to_registers(struct display_stream_compressor *dsc, const static const struct dsc_funcs dcn20_dsc_funcs = { .dsc_get_enc_caps = dsc2_get_enc_caps, .dsc_read_state = dsc2_read_state, + .dsc_read_reg_state = dsc2_read_reg_state, .dsc_validate_stream = dsc2_validate_stream, .dsc_set_config = dsc2_set_config, .dsc_get_packed_pps = dsc2_get_packed_pps, @@ -155,6 +156,13 @@ void dsc2_read_state(struct display_stream_compressor *dsc, struct dcn_dsc_state DSCRM_DSC_OPP_PIPE_SOURCE, &s->dsc_opp_source); } +void dsc2_read_reg_state(struct display_stream_compressor *dsc, struct dcn_dsc_reg_state *dccg_reg_state) +{ + struct dcn20_dsc *dsc20 = TO_DCN20_DSC(dsc); + + dccg_reg_state->dsc_top_control = REG_READ(DSC_TOP_CONTROL); + dccg_reg_state->dscc_interrupt_control_status = REG_READ(DSCC_INTERRUPT_CONTROL_STATUS); +} bool dsc2_validate_stream(struct display_stream_compressor *dsc, const struct dsc_config *dsc_cfg) { @@ -407,7 +415,7 @@ bool dsc_prepare_config(const struct dsc_config *dsc_cfg, struct dsc_reg_values dsc_reg_vals->ich_reset_at_eol = (dsc_cfg->is_odm || dsc_reg_vals->num_slices_h > 1) ? 0xF : 0; // Need to find the ceiling value for the slice width - dsc_reg_vals->pps.slice_width = (dsc_cfg->pic_width + dsc_cfg->dc_dsc_cfg.num_slices_h - 1) / dsc_cfg->dc_dsc_cfg.num_slices_h; + dsc_reg_vals->pps.slice_width = (dsc_cfg->pic_width + dsc_cfg->dsc_padding + dsc_cfg->dc_dsc_cfg.num_slices_h - 1) / dsc_cfg->dc_dsc_cfg.num_slices_h; // TODO: in addition to validating slice height (pic height must be divisible by slice height), // see what happens when the same condition doesn't apply for slice_width/pic_width. dsc_reg_vals->pps.slice_height = dsc_cfg->pic_height / dsc_cfg->dc_dsc_cfg.num_slices_v; diff --git a/drivers/gpu/drm/amd/display/dc/dsc/dcn20/dcn20_dsc.h b/drivers/gpu/drm/amd/display/dc/dsc/dcn20/dcn20_dsc.h index a9c04fc95bd1..2337c3a97235 100644 --- a/drivers/gpu/drm/amd/display/dc/dsc/dcn20/dcn20_dsc.h +++ b/drivers/gpu/drm/amd/display/dc/dsc/dcn20/dcn20_dsc.h @@ -606,6 +606,7 @@ bool dsc2_get_packed_pps(struct display_stream_compressor *dsc, uint8_t *dsc_packed_pps); void dsc2_read_state(struct display_stream_compressor *dsc, struct dcn_dsc_state *s); +void dsc2_read_reg_state(struct display_stream_compressor *dsc, struct dcn_dsc_reg_state *dccg_reg_state); bool dsc2_validate_stream(struct display_stream_compressor *dsc, const struct dsc_config *dsc_cfg); void dsc2_set_config(struct display_stream_compressor *dsc, const struct dsc_config *dsc_cfg, struct dsc_optc_config *dsc_optc_cfg); diff --git a/drivers/gpu/drm/amd/display/dc/dsc/dcn35/dcn35_dsc.c b/drivers/gpu/drm/amd/display/dc/dsc/dcn35/dcn35_dsc.c index 6f4f5a3c4861..e712985f7abd 100644 --- a/drivers/gpu/drm/amd/display/dc/dsc/dcn35/dcn35_dsc.c +++ b/drivers/gpu/drm/amd/display/dc/dsc/dcn35/dcn35_dsc.c @@ -28,10 +28,11 @@ #include "reg_helper.h" static void dsc35_enable(struct display_stream_compressor *dsc, int opp_pipe); +static void dsc35_get_single_enc_caps(struct dsc_enc_caps *dsc_enc_caps, unsigned int max_dscclk_khz); static const struct dsc_funcs dcn35_dsc_funcs = { - .dsc_get_enc_caps = dsc2_get_enc_caps, .dsc_read_state = dsc2_read_state, + .dsc_read_reg_state = dsc2_read_reg_state, .dsc_validate_stream = dsc2_validate_stream, .dsc_set_config = dsc2_set_config, .dsc_get_packed_pps = dsc2_get_packed_pps, @@ -39,6 +40,7 @@ static const struct dsc_funcs dcn35_dsc_funcs = { .dsc_disable = dsc2_disable, .dsc_disconnect = dsc2_disconnect, .dsc_wait_disconnect_pending_clear = dsc2_wait_disconnect_pending_clear, + .dsc_get_single_enc_caps = dsc35_get_single_enc_caps, }; /* Macro definitios for REG_SET macros*/ @@ -110,3 +112,31 @@ void dsc35_set_fgcg(struct dcn20_dsc *dsc20, bool enable) { REG_UPDATE(DSC_TOP_CONTROL, DSC_FGCG_REP_DIS, !enable); } + +void dsc35_get_single_enc_caps(struct dsc_enc_caps *dsc_enc_caps, unsigned int max_dscclk_khz) +{ + dsc_enc_caps->dsc_version = 0x21; /* v1.2 - DP spec defined it in reverse order and we kept it */ + + dsc_enc_caps->slice_caps.bits.NUM_SLICES_1 = 1; + dsc_enc_caps->slice_caps.bits.NUM_SLICES_2 = 1; + dsc_enc_caps->slice_caps.bits.NUM_SLICES_3 = 1; + dsc_enc_caps->slice_caps.bits.NUM_SLICES_4 = 1; + + dsc_enc_caps->lb_bit_depth = 13; + dsc_enc_caps->is_block_pred_supported = true; + + dsc_enc_caps->color_formats.bits.RGB = 1; + dsc_enc_caps->color_formats.bits.YCBCR_444 = 1; + dsc_enc_caps->color_formats.bits.YCBCR_SIMPLE_422 = 1; + dsc_enc_caps->color_formats.bits.YCBCR_NATIVE_422 = 0; + dsc_enc_caps->color_formats.bits.YCBCR_NATIVE_420 = 1; + + dsc_enc_caps->color_depth.bits.COLOR_DEPTH_8_BPC = 1; + dsc_enc_caps->color_depth.bits.COLOR_DEPTH_10_BPC = 1; + dsc_enc_caps->color_depth.bits.COLOR_DEPTH_12_BPC = 1; + + dsc_enc_caps->max_total_throughput_mps = max_dscclk_khz * 3 / 1000; + + dsc_enc_caps->max_slice_width = 5184; /* (including 64 overlap pixels for eDP MSO mode) */ + dsc_enc_caps->bpp_increment_div = 16; /* 1/16th of a bit */ +} diff --git a/drivers/gpu/drm/amd/display/dc/dsc/dcn401/dcn401_dsc.c b/drivers/gpu/drm/amd/display/dc/dsc/dcn401/dcn401_dsc.c index 7bd92ae8b13e..c1bdbb38c690 100644 --- a/drivers/gpu/drm/amd/display/dc/dsc/dcn401/dcn401_dsc.c +++ b/drivers/gpu/drm/amd/display/dc/dsc/dcn401/dcn401_dsc.c @@ -26,6 +26,7 @@ static const struct dsc_funcs dcn401_dsc_funcs = { .dsc_disconnect = dsc401_disconnect, .dsc_wait_disconnect_pending_clear = dsc401_wait_disconnect_pending_clear, .dsc_get_single_enc_caps = dsc401_get_single_enc_caps, + .dsc_read_reg_state = dsc2_read_reg_state }; /* Macro definitios for REG_SET macros*/ diff --git a/drivers/gpu/drm/amd/display/dc/dsc/dsc.h b/drivers/gpu/drm/amd/display/dc/dsc/dsc.h index b0bd1f9425b5..81c83d5fe042 100644 --- a/drivers/gpu/drm/amd/display/dc/dsc/dsc.h +++ b/drivers/gpu/drm/amd/display/dc/dsc/dsc.h @@ -41,6 +41,7 @@ struct dsc_config { enum dc_color_depth color_depth; /* Bits per component */ bool is_odm; struct dc_dsc_config dc_dsc_cfg; + uint32_t dsc_padding; }; @@ -65,6 +66,10 @@ struct dcn_dsc_state { uint32_t dsc_opp_source; }; +struct dcn_dsc_reg_state { + uint32_t dsc_top_control; + uint32_t dscc_interrupt_control_status; +}; /* DSC encoder capabilities * They differ from the DPCD DSC caps because they are based on AMD DSC encoder caps. @@ -99,6 +104,7 @@ struct dsc_enc_caps { struct dsc_funcs { void (*dsc_get_enc_caps)(struct dsc_enc_caps *dsc_enc_caps, int pixel_clock_100Hz); void (*dsc_read_state)(struct display_stream_compressor *dsc, struct dcn_dsc_state *s); + void (*dsc_read_reg_state)(struct display_stream_compressor *dsc, struct dcn_dsc_reg_state *dccg_reg_state); bool (*dsc_validate_stream)(struct display_stream_compressor *dsc, const struct dsc_config *dsc_cfg); void (*dsc_set_config)(struct display_stream_compressor *dsc, const struct dsc_config *dsc_cfg, struct dsc_optc_config *dsc_optc_cfg); |