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drm/amdgpu/display: set vblank_disable_immediate for DC

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Disable vblanks immediately to save power.  I think this was
missed when we merged DC support.

Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/1781
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher
2021-11-10 10:23:25 -05:00
parent a689e8d1f8
commit 92020e81dd
2 changed files with 3 additions and 1 deletions
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3
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
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@@ -1592,6 +1592,9 @@ static int amdgpu_dm_init(struct amdgpu_device *adev)
adev_to_drm(adev)->mode_config.cursor_width = adev->dm.dc->caps.max_cursor_size;
adev_to_drm(adev)->mode_config.cursor_height = adev->dm.dc->caps.max_cursor_size;
/* Disable vblank IRQs aggressively for power-saving */
adev_to_drm(adev)->vblank_disable_immediate = true;
if (drm_vblank_init(adev_to_drm(adev), adev->dm.display_indexes_num)) {
DRM_ERROR(
"amdgpu: failed to initialize sw for display support.\n");