drm/amd/display: Add refresh rate trace

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When we have to debug VRR issues, we usually want to know the current
refresh rate; for this reason, it is handy to have a way to check in
real-time the refresh rate value. This commit introduces a kernel trace
that can provide such information.

Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Reviewed-by: Harry Wentland <Harry.Wentland@amd.com>
Acked-by: Anson Jacob <Anson.Jacob@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Rodrigo Siqueira 2021-03-10 10:04:56 -05:00 • committed by Alex Deucher

parent 95574c6961

commit 4758823355

3 changed files with 34 additions and 0 deletions

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14

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c

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1

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h

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19

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_trace.h

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