diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.19.8/1066-Revert-drm-amd-display-Signal-hw_done-after-waiting-.patch')
-rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.19.8/1066-Revert-drm-amd-display-Signal-hw_done-after-waiting-.patch | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.19.8/1066-Revert-drm-amd-display-Signal-hw_done-after-waiting-.patch b/common/recipes-kernel/linux/linux-yocto-4.19.8/1066-Revert-drm-amd-display-Signal-hw_done-after-waiting-.patch new file mode 100644 index 00000000..e57e73cb --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.19.8/1066-Revert-drm-amd-display-Signal-hw_done-after-waiting-.patch @@ -0,0 +1,48 @@ +From 332501a688c7551c51893139519d56e120171288 Mon Sep 17 00:00:00 2001 +From: Leo Li <sunpeng.li@amd.com> +Date: Mon, 7 Jan 2019 13:28:54 -0500 +Subject: [PATCH 1066/2940] Revert "drm/amd/display: Signal hw_done() after + waiting for flip_done()" + +This reverts commit 717276b9256f5d97b43e53adca1670cee2c45db2. + +The reverted patch was a workaround that addressed an issue fixed by: +4364bcb2cd21 ("drm: Get ref on CRTC commit object when waiting for +flip_done") + +Signed-off-by: Leo Li <sunpeng.li@amd.com> +Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +Signed-off-by: Chaudhary Amit Kumar <Chaudharyamit.Kumar@amd.com> +--- + drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 10 ++-------- + 1 file changed, 2 insertions(+), 8 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 c588abe75dd7..20cf05adecca 100644 +--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c ++++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +@@ -5290,18 +5290,12 @@ static void amdgpu_dm_atomic_commit_tail(struct drm_atomic_state *state) + } + spin_unlock_irqrestore(&adev->ddev->event_lock, flags); + ++ /* Signal HW programming completion */ ++ drm_atomic_helper_commit_hw_done(state); + + if (wait_for_vblank) + drm_atomic_helper_wait_for_flip_done(dev, state); + +- /* +- * FIXME: +- * Delay hw_done() until flip_done() is signaled. This is to block +- * another commit from freeing the CRTC state while we're still +- * waiting on flip_done. +- */ +- drm_atomic_helper_commit_hw_done(state); +- + drm_atomic_helper_cleanup_planes(dev, state); + + /* Finally, drop a runtime PM reference for each newly disabled CRTC, +-- +2.17.1 + |