diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dsc')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dsc/dc_dsc.c | 24 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dsc/dscc_types.h | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dsc/rc_calc.c | 28 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dsc/rc_calc.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dsc/rc_calc_dpi.c | 8 |
5 files changed, 24 insertions, 39 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 0321b4446e05..d52cbc0e9b67 100644 --- a/drivers/gpu/drm/amd/display/dc/dsc/dc_dsc.c +++ b/drivers/gpu/drm/amd/display/dc/dsc/dc_dsc.c @@ -22,10 +22,10 @@ * Author: AMD */ -#include <drm/drm_dsc.h> +#include <drm/display/drm_dp_helper.h> +#include <drm/display/drm_dsc_helper.h> #include "dc_hw_types.h" #include "dsc.h" -#include <drm/drm_dp_helper.h> #include "dc.h" #include "rc_calc.h" #include "fixed31_32.h" @@ -455,6 +455,7 @@ static bool intersect_dsc_caps( if (pixel_encoding == PIXEL_ENCODING_YCBCR422 || pixel_encoding == PIXEL_ENCODING_YCBCR420) dsc_common_caps->bpp_increment_div = min(dsc_common_caps->bpp_increment_div, (uint32_t)8); + dsc_common_caps->edp_sink_max_bits_per_pixel = dsc_sink_caps->edp_max_bits_per_pixel; dsc_common_caps->is_dp = dsc_sink_caps->is_dp; return true; } @@ -513,6 +514,13 @@ static bool decide_dsc_bandwidth_range( range->min_target_bpp_x16 = preferred_bpp_x16; } } + /* TODO - make this value generic to all signal types */ + else if (dsc_caps->edp_sink_max_bits_per_pixel) { + /* apply max bpp limitation from edp sink */ + range->max_target_bpp_x16 = MIN(dsc_caps->edp_sink_max_bits_per_pixel, + max_bpp_x16); + range->min_target_bpp_x16 = min_bpp_x16; + } else { range->max_target_bpp_x16 = max_bpp_x16; range->min_target_bpp_x16 = min_bpp_x16; @@ -574,7 +582,7 @@ static bool decide_dsc_target_bpp_x16( return *target_bpp_x16 != 0; } -#define MIN_AVAILABLE_SLICES_SIZE 4 +#define MIN_AVAILABLE_SLICES_SIZE 6 static int get_available_dsc_slices(union dsc_enc_slice_caps slice_caps, int *available_slices) { @@ -611,7 +619,7 @@ static int get_max_dsc_slices(union dsc_enc_slice_caps slice_caps) } -// Increment sice number in available sice numbers stops if possible, or just increment if not +// Increment slice number in available slice numbers stops if possible, or just increment if not static int inc_num_slices(union dsc_enc_slice_caps slice_caps, int num_slices) { // Get next bigger num slices available in common caps @@ -642,7 +650,7 @@ static int inc_num_slices(union dsc_enc_slice_caps slice_caps, int num_slices) } -// Decrement sice number in available sice numbers stops if possible, or just decrement if not. Stop at zero. +// Decrement slice number in available slice numbers stops if possible, or just decrement if not. Stop at zero. static int dec_num_slices(union dsc_enc_slice_caps slice_caps, int num_slices) { // Get next bigger num slices available in common caps @@ -856,10 +864,14 @@ static bool setup_dsc_config( min_slices_h = inc_num_slices(dsc_common_caps.slice_caps, min_slices_h); } + is_dsc_possible = (min_slices_h <= max_slices_h); + if (pic_width % min_slices_h != 0) min_slices_h = 0; // DSC TODO: Maybe try increasing the number of slices first? - is_dsc_possible = (min_slices_h <= max_slices_h); + if (min_slices_h == 0 && max_slices_h == 0) + is_dsc_possible = false; + if (!is_dsc_possible) goto done; diff --git a/drivers/gpu/drm/amd/display/dc/dsc/dscc_types.h b/drivers/gpu/drm/amd/display/dc/dsc/dscc_types.h index 9f70e87b3ecb..ad80bde9bc0f 100644 --- a/drivers/gpu/drm/amd/display/dc/dsc/dscc_types.h +++ b/drivers/gpu/drm/amd/display/dc/dsc/dscc_types.h @@ -26,7 +26,7 @@ #ifndef __DSCC_TYPES_H__ #define __DSCC_TYPES_H__ -#include <drm/drm_dsc.h> +#include <drm/display/drm_dsc.h> #ifndef NUM_BUF_RANGES #define NUM_BUF_RANGES 15 diff --git a/drivers/gpu/drm/amd/display/dc/dsc/rc_calc.c b/drivers/gpu/drm/amd/display/dc/dsc/rc_calc.c index b19d3aeb5962..e97cf09be9d5 100644 --- a/drivers/gpu/drm/amd/display/dc/dsc/rc_calc.c +++ b/drivers/gpu/drm/amd/display/dc/dsc/rc_calc.c @@ -60,31 +60,3 @@ void calc_rc_params(struct rc_params *rc, const struct drm_dsc_config *pps) pps->dsc_version_minor); DC_FP_END(); } - -/** - * calc_dsc_bytes_per_pixel - calculate bytes per pixel - * @pps: DRM struct with all required DSC values - * - * Based on the information inside drm_dsc_config, this function calculates the - * total of bytes per pixel. - * - * @note This calculation requires float point operation, most of it executes - * under kernel_fpu_{begin,end}. - * - * Return: - * Return the number of bytes per pixel - */ -u32 calc_dsc_bytes_per_pixel(const struct drm_dsc_config *pps) - -{ - u32 ret; - u16 drm_bpp = pps->bits_per_pixel; - int slice_width = pps->slice_width; - bool is_navite_422_or_420 = pps->native_422 || pps->native_420; - - DC_FP_START(); - ret = _do_bytes_per_pixel_calc(slice_width, drm_bpp, - is_navite_422_or_420); - DC_FP_END(); - return ret; -} diff --git a/drivers/gpu/drm/amd/display/dc/dsc/rc_calc.h b/drivers/gpu/drm/amd/display/dc/dsc/rc_calc.h index c2340e001b57..80921c1c0d53 100644 --- a/drivers/gpu/drm/amd/display/dc/dsc/rc_calc.h +++ b/drivers/gpu/drm/amd/display/dc/dsc/rc_calc.h @@ -30,7 +30,6 @@ #include "dml/dsc/rc_calc_fpu.h" void calc_rc_params(struct rc_params *rc, const struct drm_dsc_config *pps); -u32 calc_dsc_bytes_per_pixel(const struct drm_dsc_config *pps); #endif diff --git a/drivers/gpu/drm/amd/display/dc/dsc/rc_calc_dpi.c b/drivers/gpu/drm/amd/display/dc/dsc/rc_calc_dpi.c index 1e19dd674e5a..f0aea988fef0 100644 --- a/drivers/gpu/drm/amd/display/dc/dsc/rc_calc_dpi.c +++ b/drivers/gpu/drm/amd/display/dc/dsc/rc_calc_dpi.c @@ -22,7 +22,7 @@ * Authors: AMD * */ -#include <drm/drm_dsc.h> +#include <drm/display/drm_dsc_helper.h> #include "dscc_types.h" #include "rc_calc.h" @@ -100,8 +100,7 @@ int dscc_compute_dsc_parameters(const struct drm_dsc_config *pps, struct dsc_par int ret; struct rc_params rc; struct drm_dsc_config dsc_cfg; - - dsc_params->bytes_per_pixel = calc_dsc_bytes_per_pixel(pps); + unsigned long long tmp; calc_rc_params(&rc, pps); dsc_params->pps = *pps; @@ -113,6 +112,9 @@ int dscc_compute_dsc_parameters(const struct drm_dsc_config *pps, struct dsc_par dsc_cfg.mux_word_size = dsc_params->pps.bits_per_component <= 10 ? 48 : 64; ret = drm_dsc_compute_rc_parameters(&dsc_cfg); + tmp = (unsigned long long)dsc_cfg.slice_chunk_size * 0x10000000 + (dsc_cfg.slice_width - 1); + do_div(tmp, (uint32_t)dsc_cfg.slice_width); //ROUND-UP + dsc_params->bytes_per_pixel = (uint32_t)tmp; copy_pps_fields(&dsc_params->pps, &dsc_cfg); dsc_params->rc_buffer_model_size = dsc_cfg.rc_bits; |