diff options
| author | Roman Li <[email protected]> | 2024-05-06 19:34:55 +0000 |
|---|---|---|
| committer | Alex Deucher <[email protected]> | 2024-05-20 20:20:24 +0000 |
| commit | a329598e9eab8cb0f33ec0ede1f7a4e290b1be1c (patch) | |
| tree | 00264da4dc49aa7e5e9dd87870fe08aef4a3e127 /drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | |
| parent | drm/amd/display: Add 3DLUT DMA load trigger (diff) | |
| download | kernel-a329598e9eab8cb0f33ec0ede1f7a4e290b1be1c.tar.gz kernel-a329598e9eab8cb0f33ec0ede1f7a4e290b1be1c.zip | |
drm/amd/display: Clear shared dmub firmware state on init
[Why]
Reset the shared dmub firmware region on dmub hw init to start with
known state.
[How]
Memset the shared region to 0 in dmub_hw_init().
Suggested-by: Nicholas Kazlauskas <[email protected]>
Reviewed-by: Nicholas Kazlauskas <[email protected]>
Signed-off-by: Roman Li <[email protected]>
Tested-by: Daniel Wheeler <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
Diffstat (limited to 'drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index b2e37f6bea5b..3bcfc95ad36a 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -1207,6 +1207,9 @@ static int dm_dmub_hw_init(struct amdgpu_device *adev) memset(fb_info->fb[DMUB_WINDOW_6_FW_STATE].cpu_addr, 0, fb_info->fb[DMUB_WINDOW_6_FW_STATE].size); + memset(fb_info->fb[DMUB_WINDOW_SHARED_STATE].cpu_addr, 0, + fb_info->fb[DMUB_WINDOW_SHARED_STATE].size); + /* Initialize hardware. */ memset(&hw_params, 0, sizeof(hw_params)); hw_params.fb_base = adev->gmc.fb_start; |