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| author | Xin Ji <xji@analogixsemi.com> | 2023-09-22 17:34:49 +0800 |
|---|---|---|
| committer | Robert Foss <rfoss@kernel.org> | 2023-09-25 12:45:43 +0200 |
| commit | 330140d7319fcc4ec68bd924ea212e476bf12275 (patch) | |
| tree | 8d90c02e64be3258a0db250a681c30a9b092144d /drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c | |
| parent | 61df9ca231075e7031ed3dcf8b9986dfd80050f6 (diff) | |
drm/bridge: Add 200ms delay to wait FW HPD status stable
For the no-interrupt design (sink device is panel, polling HPD
status when chip power on), anx7625 FW has more than 200ms HPD
de-bounce time in FW, for the safety to get HPD status, driver
better to wait 200ms before HPD detection after OS resume back.
Signed-off-by: Xin Ji <xji@analogixsemi.com>
Reviewed-by: Robert Foss <rfoss@kernel.org>
Signed-off-by: Robert Foss <rfoss@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20230922093450.3574349-1-xji@analogixsemi.com
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c')
0 files changed, 0 insertions, 0 deletions