diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2534-drm-amd-display-fix-a-potential-issue-in-DSC-logic.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2534-drm-amd-display-fix-a-potential-issue-in-DSC-logic.patch | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2534-drm-amd-display-fix-a-potential-issue-in-DSC-logic.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2534-drm-amd-display-fix-a-potential-issue-in-DSC-logic.patch new file mode 100644 index 00000000..f3b0a43a --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2534-drm-amd-display-fix-a-potential-issue-in-DSC-logic.patch @@ -0,0 +1,47 @@ +From 402093941fc524eca15a0362792cd7a89abe32f7 Mon Sep 17 00:00:00 2001 +From: Wenjing Liu <Wenjing.Liu@amd.com> +Date: Thu, 25 Apr 2019 12:11:50 -0400 +Subject: [PATCH 2534/2940] 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> +--- + drivers/gpu/drm/amd/display/dc/dsc/dc_dsc.c | 14 ++++++++++---- + 1 file 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); + +-- +2.17.1 + |