[PATCH AUTOSEL 6.6 52/83] drm/amd/display: Correct the defined value for AMDGPU_DMUB_NOTIFICATION_MAX
Sasha Levin
sashal at kernel.org
Thu Aug 1 00:18:07 UTC 2024
From: Wayne Lin <wayne.lin at amd.com>
[ Upstream commit ad28d7c3d989fc5689581664653879d664da76f0 ]
[Why & How]
It actually exposes '6' types in enum dmub_notification_type. Not 5. Using smaller
number to create array dmub_callback & dmub_thread_offload has potential to access
item out of array bound. Fix it.
Reviewed-by: Jerry Zuo <jerry.zuo at amd.com>
Acked-by: Zaeem Mohamed <zaeem.mohamed at amd.com>
Signed-off-by: Wayne Lin <wayne.lin at amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler at amd.com>
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
Signed-off-by: Sasha Levin <sashal at kernel.org>
---
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
index 9e4cc5eeda767..88606b805330d 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
@@ -49,7 +49,7 @@
#define AMDGPU_DM_MAX_NUM_EDP 2
-#define AMDGPU_DMUB_NOTIFICATION_MAX 5
+#define AMDGPU_DMUB_NOTIFICATION_MAX 6
#define HDMI_AMD_VENDOR_SPECIFIC_DATA_BLOCK_IEEE_REGISTRATION_ID 0x00001A
#define AMD_VSDB_VERSION_3_FEATURECAP_REPLAYMODE 0x40
--
2.43.0
More information about the amd-gfx
mailing list