diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2022-drm-amd-display-fix-crash-on-setmode-when-mode-is-cl.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2022-drm-amd-display-fix-crash-on-setmode-when-mode-is-cl.patch | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2022-drm-amd-display-fix-crash-on-setmode-when-mode-is-cl.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2022-drm-amd-display-fix-crash-on-setmode-when-mode-is-cl.patch new file mode 100644 index 00000000..4cbcfae2 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2022-drm-amd-display-fix-crash-on-setmode-when-mode-is-cl.patch @@ -0,0 +1,53 @@ +From 79d1998dd23170f18cd3e83690a7fc89332b65e9 Mon Sep 17 00:00:00 2001 +From: Su Sung Chung <Su.Chung@amd.com> +Date: Fri, 10 May 2019 15:16:45 -0400 +Subject: [PATCH 2022/2940] drm/amd/display: fix crash on setmode when mode is + close to bw limit + +[why] +during It's possible to call dcn_validate_bandwidth with no plane. +In that case, as we are only intersted in if output timing is supported or not, +even if we cannot support native resolution, we still want to support lower +resolution if it is valid + +[how] +if there exist no surface, make viewport/rec_out size at max 1080p. It is +already known that 1080p x 6(max # of pipes) is supported, so if we fail +validation, it is because of the stream + +Signed-off-by: Su Sung Chung <Su.Chung@amd.com> +Reviewed-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com> +Acked-by: Leo Li <sunpeng.li@amd.com> +--- + drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c | 15 +++++++++++++-- + 1 file changed, 13 insertions(+), 2 deletions(-) + +diff --git a/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c b/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c +index 0a336c80c7bb..5c1e0adb142b 100644 +--- a/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c ++++ b/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c +@@ -872,8 +872,19 @@ bool dcn_validate_bandwidth( + v->lb_bit_per_pixel[input_idx] = 30; + v->viewport_width[input_idx] = pipe->stream->timing.h_addressable; + v->viewport_height[input_idx] = pipe->stream->timing.v_addressable; +- v->scaler_rec_out_width[input_idx] = pipe->stream->timing.h_addressable; +- v->scaler_recout_height[input_idx] = pipe->stream->timing.v_addressable; ++ /* ++ * for cases where we have no plane, we want to validate up to 1080p ++ * source size because here we are only interested in if the output ++ * timing is supported or not. if we cannot support native resolution ++ * of the high res display, we still want to support lower res up scale ++ * to native ++ */ ++ if (v->viewport_width[input_idx] > 1920) ++ v->viewport_width[input_idx] = 1920; ++ if (v->viewport_height[input_idx] > 1080) ++ v->viewport_height[input_idx] = 1080; ++ v->scaler_rec_out_width[input_idx] = v->viewport_width[input_idx]; ++ v->scaler_recout_height[input_idx] = v->viewport_height[input_idx]; + v->override_hta_ps[input_idx] = 1; + v->override_vta_ps[input_idx] = 1; + v->override_hta_pschroma[input_idx] = 1; +-- +2.17.1 + |