[AMD Public Use]
Reviewed-by: Alex Deucher
From: Liang, Prike
Sent: Monday, June 8, 2020 3:34 AM
To: amd-gfx@lists.freedesktop.org
Cc: Deucher, Alexander ; Huang, Ray
; Liang, Prike
Subject: [PATCH] drm/amdgpu/soc15: fix nullptr issue in soc15_read_register
The failed case is no SDMA1 IP for Renoir discovery table while in accessing
SDMA1 reg base,
thus need have nullptr test for soc15_read_register invoked in MMR addres space
inqure opt.
Signed-off-by: Prike.Liang
---
drivers/gpu/drm/amd/amdgpu/soc15.c | 3 ++-
1 file changed, 2 insertions(+), 1
