6.11-stable review patch. If anyone has any objections, please let me know.
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From: Roman Li Roman.Li@amd.com
[ Upstream commit 60612f75992d96955fb7154468c58d5d168cf1ab ]
[Why] Idle worker thread waits HPD_DETECTION_TIME for HPD processing complete. Some displays require longer time for that.
[How] Increase HPD_DETECTION_TIME to 100ms.
Reviewed-by: Sun peng Li sunpeng.li@amd.com Signed-off-by: Roman Li Roman.Li@amd.com Tested-by: Daniel Wheeler daniel.wheeler@amd.com Signed-off-by: Alex Deucher alexander.deucher@amd.com Stable-dep-of: a88b19b13fb4 ("drm/amd/display: Reduce HPD Detection Interval for IPS") Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crtc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crtc.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crtc.c index df3d124c4d7a1..4593c158cc156 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crtc.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crtc.c @@ -36,7 +36,7 @@ #include "amdgpu_dm_debugfs.h"
#define HPD_DETECTION_PERIOD_uS 5000000 -#define HPD_DETECTION_TIME_uS 1000 +#define HPD_DETECTION_TIME_uS 100000
void amdgpu_dm_crtc_handle_vblank(struct amdgpu_crtc *acrtc) {