4.17-stable review patch. If anyone has any objections, please let me know.
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From: Shirish S shirish.s@amd.com
[ Upstream commit a2a330ad66313084c9432b32862aa7e1255da9b4 ]
This patch is in continuation to the "843e3c7 drm/amd/display: defer modeset check in dm_update_planes_state" where we started to eliminate the dependency on DRM_MODE_ATOMIC_ALLOW_MODESET to be set by the user space, which as such is not mandatory.
After deferring, this patch eliminates the dependency on the flag for overlay planes.
This has to be done in stages as its a pretty complex and requires thorough testing before we free primary planes as well from dependency on modeset flag.
V2: Simplified the plane type check.
Signed-off-by: Shirish S shirish.s@amd.com Reviewed-by: Harry Wentland harry.wentland@amd.com Signed-off-by: Alex Deucher alexander.deucher@amd.com Signed-off-by: Sasha Levin alexander.levin@microsoft.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-)
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -4037,7 +4037,7 @@ static void amdgpu_dm_commit_planes(stru } spin_unlock_irqrestore(&crtc->dev->event_lock, flags);
- if (!pflip_needed) { + if (!pflip_needed || plane->type == DRM_PLANE_TYPE_OVERLAY) { WARN_ON(!dm_new_plane_state->dc_state);
plane_states_constructed[planes_count] = dm_new_plane_state->dc_state; @@ -4783,7 +4783,8 @@ static int dm_update_planes_state(struct
/* Remove any changed/removed planes */ if (!enable) { - if (pflip_needed) + if (pflip_needed && + plane->type != DRM_PLANE_TYPE_OVERLAY) continue;
if (!old_plane_crtc) @@ -4830,7 +4831,8 @@ static int dm_update_planes_state(struct if (!dm_new_crtc_state->stream) continue;
- if (pflip_needed) + if (pflip_needed && + plane->type != DRM_PLANE_TYPE_OVERLAY) continue;
WARN_ON(dm_new_plane_state->dc_state);