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 | 24 |
1 files changed, 18 insertions, 6 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; |