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| author | Wenjing Liu <Wenjing.Liu@amd.com> | 2019-05-22 11:50:20 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-06-22 09:34:13 -0500 |
| commit | e710fdb134ad4c08ae2cabc6731fba6fb72fa0b8 (patch) | |
| tree | b04e7784f2deb3656ed2af32abd2e04e38ac4fe2 /drivers/gpu | |
| parent | f82c916c41974c4e786c7311c34c33ca67373092 (diff) | |
| download | linux-stable-e710fdb134ad4c08ae2cabc6731fba6fb72fa0b8.tar.gz linux-stable-e710fdb134ad4c08ae2cabc6731fba6fb72fa0b8.tar.bz2 linux-stable-e710fdb134ad4c08ae2cabc6731fba6fb72fa0b8.zip | |
drm/amd/display: update dsc max_target_bpp to 16 bpp
[why]
According to the latest specs, the max_target bpp sink
can support is 16 bpp.
[how]
update dsc max_target_bpp to 16
Signed-off-by: Wenjing Liu <Wenjing.Liu@amd.com>
Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dsc/dc_dsc.c | 9 |
1 files changed, 1 insertions, 8 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 96b18bb3b1cc..77e7a0f8a527 100644 --- a/drivers/gpu/drm/amd/display/dc/dsc/dc_dsc.c +++ b/drivers/gpu/drm/amd/display/dc/dsc/dc_dsc.c @@ -242,9 +242,6 @@ static bool intersect_dsc_caps( } struct dc_dsc_policy { - float max_compression_ratio_legacy; - float sst_compression_legacy; // Maximum quality if 0.0 - float mst_compression_legacy; bool use_min_slices_h; int max_slices_h; // Maximum available if 0 int num_slices_v; @@ -274,18 +271,14 @@ static inline uint32_t calc_dsc_bpp_x16(uint32_t stream_bandwidth_kbps, uint32_t } const struct dc_dsc_policy dsc_policy = { - .max_compression_ratio_legacy = 3.0f, // DSC Policy: Limit compression to 3:1 at most in all cases - .sst_compression_legacy = 0.0f, // DSC Policy: SST - Maximum quality (0.0) - .mst_compression_legacy = 3.0f, // DSC Policy: MST - always 3:1 compression .use_min_slices_h = true, // DSC Policy: Use minimum number of slices that fits the pixel clock .max_slices_h = 0, // DSC Policy: Use max available slices (in our case 4 for or 8, depending on the mode) - /* DSC Policy: Number of vertical slices set to 2 for no particular reason. * Seems small enough to not affect the quality too much, while still providing some error * propagation control (which may also help debugging). */ .num_slices_v = 16, - .max_target_bpp = 24, + .max_target_bpp = 16, .min_target_bpp = 8, }; |