diff options
| author | Wenjing Liu <Wenjing.Liu@amd.com> | 2019-04-25 19:11:50 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-06-22 17:34:12 +0300 |
| commit | cba4d59c936cd17ac601c188725ccd779467a509 (patch) | |
| tree | b095ab895117e3b635d6d49976d4b92503ded507 /drivers/gpu/drm/amd/display/dc/dsc | |
| parent | e34fe1bba65880c5dd66fae11362bd5c370493c1 (diff) | |
| download | linux-cba4d59c936cd17ac601c188725ccd779467a509.tar.xz | |
drm/amd/display: fix a potential issue in DSC logic
[why]
In compute dsc bandwidth range there is an uninitialized variable
[how]
Initialize the variable to the correct value.
Signed-off-by: Wenjing Liu <Wenjing.Liu@amd.com>
Reviewed-by: Nikola Cornij <Nikola.Cornij@amd.com>
Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dsc')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dsc/dc_dsc.c | 14 |
1 files changed, 10 insertions, 4 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 94a623dc37f4..252c3d0a2555 100644 --- a/drivers/gpu/drm/amd/display/dc/dsc/dc_dsc.c +++ b/drivers/gpu/drm/amd/display/dc/dsc/dc_dsc.c @@ -826,10 +826,16 @@ bool dc_dsc_compute_bandwidth_range( struct dc_dsc_config config; get_dsc_enc_caps(dc, &dsc_enc_caps, timing->pix_clk_100hz); - is_dsc_possible = setup_dsc_config(dsc_sink_caps, - &dsc_enc_caps, - 0, - timing, &config); + + 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, &config); + if (is_dsc_possible) get_dsc_bandwidth_range(min_bpp, max_bpp, &dsc_common_caps, timing, range); |