drm/amdgpu/soc15: fix nullptr issue in soc15_read_register() for reg base accessing

Browse source

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 inquire opt.

Signed-off-by: Prike.Liang <Prike.Liang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

...

This commit is contained in:

Prike.Liang 2020-06-08 15:20:56 +08:00 • committed by Alex Deucher

parent d00c3d045c

commit 207f0f1357

1 changed files with 2 additions and 1 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

3

drivers/gpu/drm/amd/amdgpu/soc15.c

View file