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drm/amd/display: return 'NULL' instead of 'false' from dcn20_acquire_idle_pipe_for_layer

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clang complains that 'false' is a not a pointer:

drivers/gpu/drm/amd/amdgpu/../display/dc/dcn20/dcn20_resource.c:2428:10: error: expression which evaluates to zero treated as a null pointer constant of type 'struct pipe_ctx *' [-Werror,-Wnon-literal-null-conversion]
                return false;

Changing it to 'NULL' looks like the right thing that will shut up
the warning and make it easier to read, while not changing behavior.

Fixes: 7ed4e6352c ("drm/amd/display: Add DCN2 HW Sequencer and Resource")
Reviewed-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Arnd Bergmann 2019-07-12 11:39:52 +02:00 committed by Alex Deucher
parent 7e446b3c76
commit 7a17c8ce33
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
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@ -2415,7 +2415,7 @@ struct pipe_ctx *dcn20_acquire_idle_pipe_for_layer(
ASSERT(0);
if (!idle_pipe)
return false;
return NULL;
idle_pipe->stream = head_pipe->stream;
idle_pipe->stream_res.tg = head_pipe->stream_res.tg;