diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0120-drm-amd-display-Fix-vblank-IRQ-refcount-in-DM.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0120-drm-amd-display-Fix-vblank-IRQ-refcount-in-DM.patch | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0120-drm-amd-display-Fix-vblank-IRQ-refcount-in-DM.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0120-drm-amd-display-Fix-vblank-IRQ-refcount-in-DM.patch new file mode 100644 index 00000000..97882388 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0120-drm-amd-display-Fix-vblank-IRQ-refcount-in-DM.patch @@ -0,0 +1,46 @@ +From 95ee8d23e6f3c651745180fe464176b10968785f Mon Sep 17 00:00:00 2001 +From: Andrey Grodzovsky <Andrey.Grodzovsky@amd.com> +Date: Thu, 20 Apr 2017 15:47:15 -0400 +Subject: [PATCH 0120/4131] drm/amd/display: Fix vblank IRQ refcount in DM. +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +Temporary fix follwoing the introduction of page_flip_target +hook in drm. + +Signed-off-by: Andrey Grodzovsky <Andrey.Grodzovsky@amd.com> +Reviewed-by: Michel Dänzer <michel.daenzer@amd.com> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_types.c | 7 ++++++- + 1 file changed, 6 insertions(+), 1 deletion(-) + +diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_types.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_types.c +index ad29ef7..fc5b0f0 100644 +--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_types.c ++++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_types.c +@@ -1078,6 +1078,10 @@ static int amdgpu_atomic_helper_page_flip(struct drm_crtc *crtc, + if (!state) + return -ENOMEM; + ++ ret = drm_crtc_vblank_get(crtc); ++ if (ret) ++ return ret; ++ + state->acquire_ctx = drm_modeset_legacy_acquire_ctx(crtc); + retry: + crtc_state = drm_atomic_get_crtc_state(state, crtc); +@@ -1117,7 +1121,8 @@ static int amdgpu_atomic_helper_page_flip(struct drm_crtc *crtc, + if (ret == -EDEADLK) + goto backoff; + +- drm_atomic_state_put(state); ++ if (ret) ++ drm_crtc_vblank_put(crtc); + + return ret; + backoff: +-- +2.7.4 + |