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authorAlex Hung <[email protected]>2023-05-24 04:07:46 +0000
committerAlex Deucher <[email protected]>2023-10-03 19:42:38 +0000
commitf6893fcb10c7b24526454e465f6ec2563ef044cc (patch)
tree9a02c3956193e1c7500f84c3687b4194e98fbaf1 /drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
parentdrm/amd/display: Fix writeback_info is not removed (diff)
downloadkernel-f6893fcb10c7b24526454e465f6ec2563ef044cc.tar.gz
kernel-f6893fcb10c7b24526454e465f6ec2563ef044cc.zip
drm/amd/display: Add writeback enable field (wb_enabled)
[WHAT] Add a new field to keep track whether a crtc is previously writeback-enabled. Reviewed-by: Harry Wentland <[email protected]> Signed-off-by: Alex Hung <[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.c8
1 files changed, 8 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 4f2f78aaaf0e..19087c4af33f 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -8732,9 +8732,13 @@ static void amdgpu_dm_commit_streams(struct drm_atomic_state *state,
if (acrtc)
old_crtc_state = drm_atomic_get_old_crtc_state(state, &acrtc->base);
+ if (!acrtc->wb_enabled)
+ continue;
+
dm_old_crtc_state = to_dm_crtc_state(old_crtc_state);
dm_clear_writeback(dm, dm_old_crtc_state);
+ acrtc->wb_enabled = false;
}
for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state,
@@ -9312,9 +9316,13 @@ static void amdgpu_dm_atomic_commit_tail(struct drm_atomic_state *state)
if (acrtc)
new_crtc_state = drm_atomic_get_new_crtc_state(state, &acrtc->base);
+ if (acrtc->wb_enabled)
+ continue;
+
dm_new_crtc_state = to_dm_crtc_state(new_crtc_state);
dm_set_writeback(dm, dm_new_crtc_state, connector, new_con_state);
+ acrtc->wb_enabled = true;
}
/* Update audio instances for each connector. */