diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dsc/dc_dsc.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dsc/dc_dsc.c | 393 |
1 files changed, 228 insertions, 165 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dsc/dc_dsc.c b/drivers/gpu/drm/amd/display/dc/dsc/dc_dsc.c index f403d8e84a8c..f5b7da0e64c0 100644 --- a/drivers/gpu/drm/amd/display/dc/dsc/dc_dsc.c +++ b/drivers/gpu/drm/amd/display/dc/dsc/dc_dsc.c @@ -28,6 +28,7 @@ #include <drm/drm_dp_helper.h> #include "dc.h" #include "rc_calc.h" +#include "fixed31_32.h" /* This module's internal functions */ @@ -39,6 +40,47 @@ static bool dsc_policy_enable_dsc_when_not_needed; static bool dsc_policy_disable_dsc_stream_overhead; +/* Forward Declerations */ +static void get_dsc_bandwidth_range( + const uint32_t min_bpp_x16, + const uint32_t max_bpp_x16, + const uint32_t num_slices_h, + const struct dsc_enc_caps *dsc_caps, + const struct dc_crtc_timing *timing, + struct dc_dsc_bw_range *range); + +static uint32_t compute_bpp_x16_from_target_bandwidth( + const uint32_t bandwidth_in_kbps, + const struct dc_crtc_timing *timing, + const uint32_t num_slices_h, + const uint32_t bpp_increment_div, + const bool is_dp); + +static void get_dsc_enc_caps( + const struct display_stream_compressor *dsc, + struct dsc_enc_caps *dsc_enc_caps, + int pixel_clock_100Hz); + +static bool intersect_dsc_caps( + const struct dsc_dec_dpcd_caps *dsc_sink_caps, + const struct dsc_enc_caps *dsc_enc_caps, + enum dc_pixel_encoding pixel_encoding, + struct dsc_enc_caps *dsc_common_caps); + +static bool setup_dsc_config( + const struct dsc_dec_dpcd_caps *dsc_sink_caps, + const struct dsc_enc_caps *dsc_enc_caps, + int target_bandwidth_kbps, + const struct dc_crtc_timing *timing, + int min_slice_height_override, + int max_dsc_target_bpp_limit_override_x16, + struct dc_dsc_config *dsc_cfg); + +static struct fixed31_32 compute_dsc_max_bandwidth_overhead( + const struct dc_crtc_timing *timing, + const int num_slices_h, + const bool is_dp); + static bool dsc_buff_block_size_from_dpcd(int dpcd_buff_block_size, int *buff_block_size) { @@ -171,10 +213,164 @@ static bool dsc_bpp_increment_div_from_dpcd(uint8_t bpp_increment_dpcd, uint32_t return true; } + + +bool dc_dsc_parse_dsc_dpcd(const struct dc *dc, + const uint8_t *dpcd_dsc_basic_data, + const uint8_t *dpcd_dsc_branch_decoder_caps, + struct dsc_dec_dpcd_caps *dsc_sink_caps) +{ + if (!dpcd_dsc_basic_data) + return false; + + dsc_sink_caps->is_dsc_supported = + (dpcd_dsc_basic_data[DP_DSC_SUPPORT - DP_DSC_SUPPORT] & DP_DSC_DECOMPRESSION_IS_SUPPORTED) != 0; + if (!dsc_sink_caps->is_dsc_supported) + return false; + + dsc_sink_caps->dsc_version = dpcd_dsc_basic_data[DP_DSC_REV - DP_DSC_SUPPORT]; + + { + int buff_block_size; + int buff_size; + + if (!dsc_buff_block_size_from_dpcd(dpcd_dsc_basic_data[DP_DSC_RC_BUF_BLK_SIZE - DP_DSC_SUPPORT], + &buff_block_size)) + return false; + + buff_size = dpcd_dsc_basic_data[DP_DSC_RC_BUF_SIZE - DP_DSC_SUPPORT] + 1; + dsc_sink_caps->rc_buffer_size = buff_size * buff_block_size; + } + + dsc_sink_caps->slice_caps1.raw = dpcd_dsc_basic_data[DP_DSC_SLICE_CAP_1 - DP_DSC_SUPPORT]; + if (!dsc_line_buff_depth_from_dpcd(dpcd_dsc_basic_data[DP_DSC_LINE_BUF_BIT_DEPTH - DP_DSC_SUPPORT], + &dsc_sink_caps->lb_bit_depth)) + return false; + + dsc_sink_caps->is_block_pred_supported = + (dpcd_dsc_basic_data[DP_DSC_BLK_PREDICTION_SUPPORT - DP_DSC_SUPPORT] & + DP_DSC_BLK_PREDICTION_IS_SUPPORTED) != 0; + + dsc_sink_caps->edp_max_bits_per_pixel = + dpcd_dsc_basic_data[DP_DSC_MAX_BITS_PER_PIXEL_LOW - DP_DSC_SUPPORT] | + dpcd_dsc_basic_data[DP_DSC_MAX_BITS_PER_PIXEL_HI - DP_DSC_SUPPORT] << 8; + + dsc_sink_caps->color_formats.raw = dpcd_dsc_basic_data[DP_DSC_DEC_COLOR_FORMAT_CAP - DP_DSC_SUPPORT]; + dsc_sink_caps->color_depth.raw = dpcd_dsc_basic_data[DP_DSC_DEC_COLOR_DEPTH_CAP - DP_DSC_SUPPORT]; + + { + int dpcd_throughput = dpcd_dsc_basic_data[DP_DSC_PEAK_THROUGHPUT - DP_DSC_SUPPORT]; + + if (!dsc_throughput_from_dpcd(dpcd_throughput & DP_DSC_THROUGHPUT_MODE_0_MASK, + &dsc_sink_caps->throughput_mode_0_mps)) + return false; + + dpcd_throughput = (dpcd_throughput & DP_DSC_THROUGHPUT_MODE_1_MASK) >> DP_DSC_THROUGHPUT_MODE_1_SHIFT; + if (!dsc_throughput_from_dpcd(dpcd_throughput, &dsc_sink_caps->throughput_mode_1_mps)) + return false; + } + + dsc_sink_caps->max_slice_width = dpcd_dsc_basic_data[DP_DSC_MAX_SLICE_WIDTH - DP_DSC_SUPPORT] * 320; + dsc_sink_caps->slice_caps2.raw = dpcd_dsc_basic_data[DP_DSC_SLICE_CAP_2 - DP_DSC_SUPPORT]; + + if (!dsc_bpp_increment_div_from_dpcd(dpcd_dsc_basic_data[DP_DSC_BITS_PER_PIXEL_INC - DP_DSC_SUPPORT], + &dsc_sink_caps->bpp_increment_div)) + return false; + + if (dc->debug.dsc_bpp_increment_div) { + /* dsc_bpp_increment_div should onl be 1, 2, 4, 8 or 16, but rather than rejecting invalid values, + * we'll accept all and get it into range. This also makes the above check against 0 redundant, + * but that one stresses out the override will be only used if it's not 0. + */ + if (dc->debug.dsc_bpp_increment_div >= 1) + dsc_sink_caps->bpp_increment_div = 1; + if (dc->debug.dsc_bpp_increment_div >= 2) + dsc_sink_caps->bpp_increment_div = 2; + if (dc->debug.dsc_bpp_increment_div >= 4) + dsc_sink_caps->bpp_increment_div = 4; + if (dc->debug.dsc_bpp_increment_div >= 8) + dsc_sink_caps->bpp_increment_div = 8; + if (dc->debug.dsc_bpp_increment_div >= 16) + dsc_sink_caps->bpp_increment_div = 16; + } + + /* Extended caps */ + if (dpcd_dsc_branch_decoder_caps == NULL) { // branch decoder DPCD DSC data can be null for non branch device + dsc_sink_caps->branch_overall_throughput_0_mps = 0; + dsc_sink_caps->branch_overall_throughput_1_mps = 0; + dsc_sink_caps->branch_max_line_width = 0; + return true; + } + + dsc_sink_caps->branch_overall_throughput_0_mps = + dpcd_dsc_branch_decoder_caps[DP_DSC_BRANCH_OVERALL_THROUGHPUT_0 - DP_DSC_BRANCH_OVERALL_THROUGHPUT_0]; + if (dsc_sink_caps->branch_overall_throughput_0_mps == 0) + dsc_sink_caps->branch_overall_throughput_0_mps = 0; + else if (dsc_sink_caps->branch_overall_throughput_0_mps == 1) + dsc_sink_caps->branch_overall_throughput_0_mps = 680; + else { + dsc_sink_caps->branch_overall_throughput_0_mps *= 50; + dsc_sink_caps->branch_overall_throughput_0_mps += 600; + } + + dsc_sink_caps->branch_overall_throughput_1_mps = + dpcd_dsc_branch_decoder_caps[DP_DSC_BRANCH_OVERALL_THROUGHPUT_1 - DP_DSC_BRANCH_OVERALL_THROUGHPUT_0]; + if (dsc_sink_caps->branch_overall_throughput_1_mps == 0) + dsc_sink_caps->branch_overall_throughput_1_mps = 0; + else if (dsc_sink_caps->branch_overall_throughput_1_mps == 1) + dsc_sink_caps->branch_overall_throughput_1_mps = 680; + else { + dsc_sink_caps->branch_overall_throughput_1_mps *= 50; + dsc_sink_caps->branch_overall_throughput_1_mps += 600; + } + + dsc_sink_caps->branch_max_line_width = + dpcd_dsc_branch_decoder_caps[DP_DSC_BRANCH_MAX_LINE_WIDTH - DP_DSC_BRANCH_OVERALL_THROUGHPUT_0] * 320; + ASSERT(dsc_sink_caps->branch_max_line_width == 0 || dsc_sink_caps->branch_max_line_width >= 5120); + + dsc_sink_caps->is_dp = true; + return true; +} + + +/* If DSC is possbile, get DSC bandwidth range based on [min_bpp, max_bpp] target bitrate range and + * timing's pixel clock and uncompressed bandwidth. + * If DSC is not possible, leave '*range' untouched. + */ +bool dc_dsc_compute_bandwidth_range( + const struct display_stream_compressor *dsc, + uint32_t dsc_min_slice_height_override, + uint32_t min_bpp_x16, + uint32_t max_bpp_x16, + const struct dsc_dec_dpcd_caps *dsc_sink_caps, + const struct dc_crtc_timing *timing, + struct dc_dsc_bw_range *range) +{ + bool is_dsc_possible = false; + struct dsc_enc_caps dsc_enc_caps; + struct dsc_enc_caps dsc_common_caps; + struct dc_dsc_config config; + + get_dsc_enc_caps(dsc, &dsc_enc_caps, timing->pix_clk_100hz); + + is_dsc_possible = intersect_dsc_caps(dsc_sink_caps, &dsc_enc_caps, + timing->pixel_encoding, &dsc_common_caps); + + if (is_dsc_possible) + is_dsc_possible = setup_dsc_config(dsc_sink_caps, &dsc_enc_caps, 0, timing, + dsc_min_slice_height_override, max_bpp_x16, &config); + + if (is_dsc_possible) + get_dsc_bandwidth_range(min_bpp_x16, max_bpp_x16, + config.num_slices_h, &dsc_common_caps, timing, range); + + return is_dsc_possible; +} + static void get_dsc_enc_caps( - const struct display_stream_compressor *dsc, - struct dsc_enc_caps *dsc_enc_caps, - int pixel_clock_100Hz) + const struct display_stream_compressor *dsc, + struct dsc_enc_caps *dsc_enc_caps, + int pixel_clock_100Hz) { // This is a static HW query, so we can use any DSC @@ -187,14 +383,14 @@ static void get_dsc_enc_caps( } } -/* Returns 'false' if no intersection was found for at least one capablity. +/* Returns 'false' if no intersection was found for at least one capability. * It also implicitly validates some sink caps against invalid value of zero. */ static bool intersect_dsc_caps( - const struct dsc_dec_dpcd_caps *dsc_sink_caps, - const struct dsc_enc_caps *dsc_enc_caps, - enum dc_pixel_encoding pixel_encoding, - struct dsc_enc_caps *dsc_common_caps) + const struct dsc_dec_dpcd_caps *dsc_sink_caps, + const struct dsc_enc_caps *dsc_enc_caps, + enum dc_pixel_encoding pixel_encoding, + struct dsc_enc_caps *dsc_common_caps) { int32_t max_slices; int32_t total_sink_throughput; @@ -205,10 +401,14 @@ static bool intersect_dsc_caps( if (!dsc_common_caps->dsc_version) return false; - dsc_common_caps->slice_caps.bits.NUM_SLICES_1 = dsc_sink_caps->slice_caps1.bits.NUM_SLICES_1 && dsc_enc_caps->slice_caps.bits.NUM_SLICES_1; - dsc_common_caps->slice_caps.bits.NUM_SLICES_2 = dsc_sink_caps->slice_caps1.bits.NUM_SLICES_2 && dsc_enc_caps->slice_caps.bits.NUM_SLICES_2; - dsc_common_caps->slice_caps.bits.NUM_SLICES_4 = dsc_sink_caps->slice_caps1.bits.NUM_SLICES_4 && dsc_enc_caps->slice_caps.bits.NUM_SLICES_4; - dsc_common_caps->slice_caps.bits.NUM_SLICES_8 = dsc_sink_caps->slice_caps1.bits.NUM_SLICES_8 && dsc_enc_caps->slice_caps.bits.NUM_SLICES_8; + dsc_common_caps->slice_caps.bits.NUM_SLICES_1 = + dsc_sink_caps->slice_caps1.bits.NUM_SLICES_1 && dsc_enc_caps->slice_caps.bits.NUM_SLICES_1; + dsc_common_caps->slice_caps.bits.NUM_SLICES_2 = + dsc_sink_caps->slice_caps1.bits.NUM_SLICES_2 && dsc_enc_caps->slice_caps.bits.NUM_SLICES_2; + dsc_common_caps->slice_caps.bits.NUM_SLICES_4 = + dsc_sink_caps->slice_caps1.bits.NUM_SLICES_4 && dsc_enc_caps->slice_caps.bits.NUM_SLICES_4; + dsc_common_caps->slice_caps.bits.NUM_SLICES_8 = + dsc_sink_caps->slice_caps1.bits.NUM_SLICES_8 && dsc_enc_caps->slice_caps.bits.NUM_SLICES_8; if (!dsc_common_caps->slice_caps.raw) return false; @@ -216,7 +416,8 @@ static bool intersect_dsc_caps( if (!dsc_common_caps->lb_bit_depth) return false; - dsc_common_caps->is_block_pred_supported = dsc_sink_caps->is_block_pred_supported && dsc_enc_caps->is_block_pred_supported; + dsc_common_caps->is_block_pred_supported = + dsc_sink_caps->is_block_pred_supported && dsc_enc_caps->is_block_pred_supported; dsc_common_caps->color_formats.raw = dsc_sink_caps->color_formats.raw & dsc_enc_caps->color_formats.raw; if (!dsc_common_caps->color_formats.raw) @@ -288,11 +489,11 @@ static struct fixed31_32 compute_dsc_max_bandwidth_overhead( } static uint32_t compute_bpp_x16_from_target_bandwidth( - const uint32_t bandwidth_in_kbps, - const struct dc_crtc_timing *timing, - const uint32_t num_slices_h, - const uint32_t bpp_increment_div, - const bool is_dp) + const uint32_t bandwidth_in_kbps, + const struct dc_crtc_timing *timing, + const uint32_t num_slices_h, + const uint32_t bpp_increment_div, + const bool is_dp) { struct fixed31_32 overhead_in_kbps; struct fixed31_32 effective_bandwidth_in_kbps; @@ -769,146 +970,6 @@ done: return is_dsc_possible; } -bool dc_dsc_parse_dsc_dpcd(const struct dc *dc, const uint8_t *dpcd_dsc_basic_data, const uint8_t *dpcd_dsc_branch_decoder_caps, struct dsc_dec_dpcd_caps *dsc_sink_caps) -{ - if (!dpcd_dsc_basic_data) - return false; - - dsc_sink_caps->is_dsc_supported = (dpcd_dsc_basic_data[DP_DSC_SUPPORT - DP_DSC_SUPPORT] & DP_DSC_DECOMPRESSION_IS_SUPPORTED) != 0; - if (!dsc_sink_caps->is_dsc_supported) - return false; - - dsc_sink_caps->dsc_version = dpcd_dsc_basic_data[DP_DSC_REV - DP_DSC_SUPPORT]; - - { - int buff_block_size; - int buff_size; - - if (!dsc_buff_block_size_from_dpcd(dpcd_dsc_basic_data[DP_DSC_RC_BUF_BLK_SIZE - DP_DSC_SUPPORT], &buff_block_size)) - return false; - - buff_size = dpcd_dsc_basic_data[DP_DSC_RC_BUF_SIZE - DP_DSC_SUPPORT] + 1; - dsc_sink_caps->rc_buffer_size = buff_size * buff_block_size; - } - - dsc_sink_caps->slice_caps1.raw = dpcd_dsc_basic_data[DP_DSC_SLICE_CAP_1 - DP_DSC_SUPPORT]; - if (!dsc_line_buff_depth_from_dpcd(dpcd_dsc_basic_data[DP_DSC_LINE_BUF_BIT_DEPTH - DP_DSC_SUPPORT], &dsc_sink_caps->lb_bit_depth)) - return false; - - dsc_sink_caps->is_block_pred_supported = - (dpcd_dsc_basic_data[DP_DSC_BLK_PREDICTION_SUPPORT - DP_DSC_SUPPORT] & DP_DSC_BLK_PREDICTION_IS_SUPPORTED) != 0; - - dsc_sink_caps->edp_max_bits_per_pixel = - dpcd_dsc_basic_data[DP_DSC_MAX_BITS_PER_PIXEL_LOW - DP_DSC_SUPPORT] | - dpcd_dsc_basic_data[DP_DSC_MAX_BITS_PER_PIXEL_HI - DP_DSC_SUPPORT] << 8; - - dsc_sink_caps->color_formats.raw = dpcd_dsc_basic_data[DP_DSC_DEC_COLOR_FORMAT_CAP - DP_DSC_SUPPORT]; - dsc_sink_caps->color_depth.raw = dpcd_dsc_basic_data[DP_DSC_DEC_COLOR_DEPTH_CAP - DP_DSC_SUPPORT]; - - { - int dpcd_throughput = dpcd_dsc_basic_data[DP_DSC_PEAK_THROUGHPUT - DP_DSC_SUPPORT]; - - if (!dsc_throughput_from_dpcd(dpcd_throughput & DP_DSC_THROUGHPUT_MODE_0_MASK, &dsc_sink_caps->throughput_mode_0_mps)) - return false; - - dpcd_throughput = (dpcd_throughput & DP_DSC_THROUGHPUT_MODE_1_MASK) >> DP_DSC_THROUGHPUT_MODE_1_SHIFT; - if (!dsc_throughput_from_dpcd(dpcd_throughput, &dsc_sink_caps->throughput_mode_1_mps)) - return false; - } - - dsc_sink_caps->max_slice_width = dpcd_dsc_basic_data[DP_DSC_MAX_SLICE_WIDTH - DP_DSC_SUPPORT] * 320; - dsc_sink_caps->slice_caps2.raw = dpcd_dsc_basic_data[DP_DSC_SLICE_CAP_2 - DP_DSC_SUPPORT]; - - if (!dsc_bpp_increment_div_from_dpcd(dpcd_dsc_basic_data[DP_DSC_BITS_PER_PIXEL_INC - DP_DSC_SUPPORT], &dsc_sink_caps->bpp_increment_div)) - return false; - - if (dc->debug.dsc_bpp_increment_div) { - /* dsc_bpp_increment_div should onl be 1, 2, 4, 8 or 16, but rather than rejecting invalid values, - * we'll accept all and get it into range. This also makes the above check against 0 redundant, - * but that one stresses out the override will be only used if it's not 0. - */ - if (dc->debug.dsc_bpp_increment_div >= 1) - dsc_sink_caps->bpp_increment_div = 1; - if (dc->debug.dsc_bpp_increment_div >= 2) - dsc_sink_caps->bpp_increment_div = 2; - if (dc->debug.dsc_bpp_increment_div >= 4) - dsc_sink_caps->bpp_increment_div = 4; - if (dc->debug.dsc_bpp_increment_div >= 8) - dsc_sink_caps->bpp_increment_div = 8; - if (dc->debug.dsc_bpp_increment_div >= 16) - dsc_sink_caps->bpp_increment_div = 16; - } - - /* Extended caps */ - if (dpcd_dsc_branch_decoder_caps == NULL) { // branch decoder DPCD DSC data can be null for non branch device - dsc_sink_caps->branch_overall_throughput_0_mps = 0; - dsc_sink_caps->branch_overall_throughput_1_mps = 0; - dsc_sink_caps->branch_max_line_width = 0; - return true; - } - - dsc_sink_caps->branch_overall_throughput_0_mps = dpcd_dsc_branch_decoder_caps[DP_DSC_BRANCH_OVERALL_THROUGHPUT_0 - DP_DSC_BRANCH_OVERALL_THROUGHPUT_0]; - if (dsc_sink_caps->branch_overall_throughput_0_mps == 0) - dsc_sink_caps->branch_overall_throughput_0_mps = 0; - else if (dsc_sink_caps->branch_overall_throughput_0_mps == 1) - dsc_sink_caps->branch_overall_throughput_0_mps = 680; - else { - dsc_sink_caps->branch_overall_throughput_0_mps *= 50; - dsc_sink_caps->branch_overall_throughput_0_mps += 600; - } - - dsc_sink_caps->branch_overall_throughput_1_mps = dpcd_dsc_branch_decoder_caps[DP_DSC_BRANCH_OVERALL_THROUGHPUT_1 - DP_DSC_BRANCH_OVERALL_THROUGHPUT_0]; - if (dsc_sink_caps->branch_overall_throughput_1_mps == 0) - dsc_sink_caps->branch_overall_throughput_1_mps = 0; - else if (dsc_sink_caps->branch_overall_throughput_1_mps == 1) - dsc_sink_caps->branch_overall_throughput_1_mps = 680; - else { - dsc_sink_caps->branch_overall_throughput_1_mps *= 50; - dsc_sink_caps->branch_overall_throughput_1_mps += 600; - } - - dsc_sink_caps->branch_max_line_width = dpcd_dsc_branch_decoder_caps[DP_DSC_BRANCH_MAX_LINE_WIDTH - DP_DSC_BRANCH_OVERALL_THROUGHPUT_0] * 320; - ASSERT(dsc_sink_caps->branch_max_line_width == 0 || dsc_sink_caps->branch_max_line_width >= 5120); - - dsc_sink_caps->is_dp = true; - return true; -} - - -/* If DSC is possbile, get DSC bandwidth range based on [min_bpp, max_bpp] target bitrate range and - * timing's pixel clock and uncompressed bandwidth. - * If DSC is not possible, leave '*range' untouched. - */ -bool dc_dsc_compute_bandwidth_range( - const struct display_stream_compressor *dsc, - uint32_t dsc_min_slice_height_override, - uint32_t min_bpp_x16, - uint32_t max_bpp_x16, - const struct dsc_dec_dpcd_caps *dsc_sink_caps, - const struct dc_crtc_timing *timing, - struct dc_dsc_bw_range *range) -{ - bool is_dsc_possible = false; - struct dsc_enc_caps dsc_enc_caps; - struct dsc_enc_caps dsc_common_caps; - struct dc_dsc_config config; - - get_dsc_enc_caps(dsc, &dsc_enc_caps, timing->pix_clk_100hz); - - is_dsc_possible = intersect_dsc_caps(dsc_sink_caps, &dsc_enc_caps, - timing->pixel_encoding, &dsc_common_caps); - - if (is_dsc_possible) - is_dsc_possible = setup_dsc_config(dsc_sink_caps, &dsc_enc_caps, 0, timing, - dsc_min_slice_height_override, max_bpp_x16, &config); - - if (is_dsc_possible) - get_dsc_bandwidth_range(min_bpp_x16, max_bpp_x16, - config.num_slices_h, &dsc_common_caps, timing, range); - - return is_dsc_possible; -} - bool dc_dsc_compute_config( const struct display_stream_compressor *dsc, const struct dsc_dec_dpcd_caps *dsc_sink_caps, @@ -923,22 +984,22 @@ bool dc_dsc_compute_config( get_dsc_enc_caps(dsc, &dsc_enc_caps, timing->pix_clk_100hz); is_dsc_possible = setup_dsc_config(dsc_sink_caps, - &dsc_enc_caps, - target_bandwidth_kbps, - timing, dsc_min_slice_height_override, - max_target_bpp_limit_override * 16, dsc_cfg); + &dsc_enc_caps, + target_bandwidth_kbps, + timing, dsc_min_slice_height_override, + max_target_bpp_limit_override * 16, dsc_cfg); return is_dsc_possible; } uint32_t dc_dsc_stream_bandwidth_in_kbps(const struct dc_crtc_timing *timing, - uint32_t bpp_x16, uint32_t num_slices_h, bool is_dp) + uint32_t bpp_x16, uint32_t num_slices_h, bool is_dp) { struct fixed31_32 overhead_in_kbps; struct fixed31_32 bpp; struct fixed31_32 actual_bandwidth_in_kbps; overhead_in_kbps = compute_dsc_max_bandwidth_overhead( - timing, num_slices_h, is_dp); + timing, num_slices_h, is_dp); bpp = dc_fixpt_from_fraction(bpp_x16, 16); actual_bandwidth_in_kbps = dc_fixpt_from_fraction(timing->pix_clk_100hz, 10); actual_bandwidth_in_kbps = dc_fixpt_mul(actual_bandwidth_in_kbps, bpp); @@ -946,7 +1007,9 @@ uint32_t dc_dsc_stream_bandwidth_in_kbps(const struct dc_crtc_timing *timing, return dc_fixpt_ceil(actual_bandwidth_in_kbps); } -void dc_dsc_get_policy_for_timing(const struct dc_crtc_timing *timing, uint32_t max_target_bpp_limit_override_x16, struct dc_dsc_policy *policy) +void dc_dsc_get_policy_for_timing(const struct dc_crtc_timing *timing, + uint32_t max_target_bpp_limit_override_x16, + struct dc_dsc_policy *policy) { uint32_t bpc = 0; |