diff options
Diffstat (limited to 'meta-r1000/recipes-kernel/linux/linux-yocto-4.14.71/5057-drm-amd-display-Guard-against-null-crtc-in-CRC-IRQ.patch')
| -rw-r--r-- | meta-r1000/recipes-kernel/linux/linux-yocto-4.14.71/5057-drm-amd-display-Guard-against-null-crtc-in-CRC-IRQ.patch | 50 |
1 files changed, 0 insertions, 50 deletions
diff --git a/meta-r1000/recipes-kernel/linux/linux-yocto-4.14.71/5057-drm-amd-display-Guard-against-null-crtc-in-CRC-IRQ.patch b/meta-r1000/recipes-kernel/linux/linux-yocto-4.14.71/5057-drm-amd-display-Guard-against-null-crtc-in-CRC-IRQ.patch deleted file mode 100644 index 21eb8eb2..00000000 --- a/meta-r1000/recipes-kernel/linux/linux-yocto-4.14.71/5057-drm-amd-display-Guard-against-null-crtc-in-CRC-IRQ.patch +++ /dev/null @@ -1,50 +0,0 @@ -From 45f20843c6c83ecfd5329b3e4d66396690a29438 Mon Sep 17 00:00:00 2001 -From: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com> -Date: Fri, 3 Aug 2018 10:40:20 -0400 -Subject: [PATCH 5057/5725] drm/amd/display: Guard against null crtc in CRC IRQ - -[Why] - -A null pointer deference can occur if crtc is null in -amdgpu_dm_crtc_handle_crc_irq. This can happen if get_crtc_by_otg_inst -returns NULL during dm_crtc_high_irq, leading to a hang in some IGT -test cases. - -[How] - -Check that CRTC is non-null before accessing its fields. - -Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com> -Reviewed-by: Sun peng Li <Sunpeng.Li@amd.com> -Acked-by: Leo Li <sunpeng.li@amd.com> -Signed-off-by: Alex Deucher <alexander.deucher@amd.com> ---- - drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crc.c | 10 ++++++++-- - 1 file changed, 8 insertions(+), 2 deletions(-) - -diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crc.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crc.c -index ad80991..ce01920 100644 ---- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crc.c -+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crc.c -@@ -98,10 +98,16 @@ int amdgpu_dm_crtc_set_crc_source(struct drm_crtc *crtc, const char *src_name, - */ - void amdgpu_dm_crtc_handle_crc_irq(struct drm_crtc *crtc) - { -- struct dm_crtc_state *crtc_state = to_dm_crtc_state(crtc->state); -- struct dc_stream_state *stream_state = crtc_state->stream; -+ struct dm_crtc_state *crtc_state; -+ struct dc_stream_state *stream_state; - uint32_t crcs[3]; - -+ if (crtc == NULL) -+ return; -+ -+ crtc_state = to_dm_crtc_state(crtc->state); -+ stream_state = crtc_state->stream; -+ - /* Early return if CRC capture is not enabled. */ - if (!crtc_state->crc_enabled) - return; --- -2.7.4 - |