diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux-4.19/linux-yocto-4.19.8/0871-drm-amd-display-Fix-NULL-ptr-when-calculating-refres.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux-4.19/linux-yocto-4.19.8/0871-drm-amd-display-Fix-NULL-ptr-when-calculating-refres.patch | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux-4.19/linux-yocto-4.19.8/0871-drm-amd-display-Fix-NULL-ptr-when-calculating-refres.patch b/meta-amd-bsp/recipes-kernel/linux-4.19/linux-yocto-4.19.8/0871-drm-amd-display-Fix-NULL-ptr-when-calculating-refres.patch new file mode 100644 index 00000000..f7c5a7bd --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux-4.19/linux-yocto-4.19.8/0871-drm-amd-display-Fix-NULL-ptr-when-calculating-refres.patch @@ -0,0 +1,46 @@ +From b2de13946e260202562b4ce546fadad7d0893a3e Mon Sep 17 00:00:00 2001 +From: "Jerry (Fangzhi) Zuo" <Jerry.Zuo@amd.com> +Date: Tue, 27 Nov 2018 10:51:12 -0500 +Subject: [PATCH 0871/2940] drm/amd/display: Fix NULL ptr when calculating + refresh rate + +Calculate preferred refresh rate only when preferred mode exists. + +Signed-off-by: Jerry (Fangzhi) Zuo <Jerry.Zuo@amd.com> +Reviewed-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 5 ++--- + 1 file changed, 2 insertions(+), 3 deletions(-) + +diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +index e40784bc532b..650d3906f8b0 100644 +--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c ++++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +@@ -2866,7 +2866,7 @@ create_stream_for_sink(struct amdgpu_dm_connector *aconnector, + bool native_mode_found = false; + bool scale = dm_state ? (dm_state->scaling != RMX_OFF) : false; + int mode_refresh; +- int preferred_refresh; ++ int preferred_refresh = 0; + + struct dc_sink *sink = NULL; + if (aconnector == NULL) { +@@ -2920,13 +2920,12 @@ create_stream_for_sink(struct amdgpu_dm_connector *aconnector, + decide_crtc_timing_for_drm_display_mode( + &mode, preferred_mode, + dm_state ? (dm_state->scaling != RMX_OFF) : false); ++ preferred_refresh = drm_mode_vrefresh(preferred_mode); + } + + if (!dm_state) + drm_mode_set_crtcinfo(&mode, 0); + +- preferred_refresh = drm_mode_vrefresh(preferred_mode); +- + /* + * If scaling is enabled and refresh rate didn't change + * we copy the vic and polarities of the old timings +-- +2.17.1 + |