diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3935-drm-amd-display-add-assert-in-enable-FBC.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3935-drm-amd-display-add-assert-in-enable-FBC.patch | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3935-drm-amd-display-add-assert-in-enable-FBC.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3935-drm-amd-display-add-assert-in-enable-FBC.patch new file mode 100644 index 00000000..6d81d6b0 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3935-drm-amd-display-add-assert-in-enable-FBC.patch @@ -0,0 +1,32 @@ +From cb0863c2aedf1bcdccfc50b3327967e359ccad6c Mon Sep 17 00:00:00 2001 +From: Roman Li <Roman.Li@amd.com> +Date: Wed, 14 Mar 2018 18:02:07 -0400 +Subject: [PATCH 3935/4131] drm/amd/display: add assert in enable FBC + +Adding assert to prevent possible null deref warning. +Only can happen under abnormal circumstances. + +Signed-off-by: Roman Li <Roman.Li@amd.com> +Reviewed-by: Tony Cheng <Tony.Cheng@amd.com> +Acked-by: Harry Wentland <harry.wentland@amd.com> +--- + drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c | 3 +++ + 1 file changed, 3 insertions(+) + +diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c +index daa4673..075ab29 100644 +--- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c ++++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c +@@ -1801,6 +1801,9 @@ static bool should_enable_fbc(struct dc *dc, + } + } + ++ /* Pipe context should be found */ ++ ASSERT(pipe_ctx); ++ + /* Only supports eDP */ + if (pipe_ctx->stream->sink->link->connector_signal != SIGNAL_TYPE_EDP) + return false; +-- +2.7.4 + |