diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.19.8/1534-drm-amd-display-Allow-pflips-from-a-framebuffer-to-i.patch')
| -rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.19.8/1534-drm-amd-display-Allow-pflips-from-a-framebuffer-to-i.patch | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.19.8/1534-drm-amd-display-Allow-pflips-from-a-framebuffer-to-i.patch b/common/recipes-kernel/linux/linux-yocto-4.19.8/1534-drm-amd-display-Allow-pflips-from-a-framebuffer-to-i.patch new file mode 100644 index 00000000..53c6cd9c --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.19.8/1534-drm-amd-display-Allow-pflips-from-a-framebuffer-to-i.patch @@ -0,0 +1,55 @@ +From a224027d85c9182cef09bf0fa14ad15ff1898249 Mon Sep 17 00:00:00 2001 +From: David Francis <David.Francis@amd.com> +Date: Wed, 6 Feb 2019 14:01:29 -0500 +Subject: [PATCH 1534/2940] drm/amd/display: Allow pflips from a framebuffer to + itself + +[Why] +IGT expects that pageflips can be triggered with the same +framebuffer before and after the commit + +[How] +Expand the definition of pageflip to include any change +with an old framebuffer and a new framebuffer, even if they're +the same + +Change-Id: I66399124224d23b225039da99619de14ff34f6e0 +Signed-off-by: David Francis <David.Francis@amd.com> +Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com> +Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com> +--- + drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 9 ++++----- + 1 file changed, 4 insertions(+), 5 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 710d9dd18abc..330b68ccc95e 100644 +--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c ++++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +@@ -4819,7 +4819,7 @@ static void amdgpu_dm_commit_planes(struct drm_atomic_state *state, + struct drm_crtc_state *new_crtc_state; + struct drm_framebuffer *fb = new_plane_state->fb; + struct amdgpu_framebuffer *afb = to_amdgpu_framebuffer(fb); +- bool framebuffer_changed; ++ bool plane_needs_flip; + struct dc_plane_state *dc_plane; + struct dm_plane_state *dm_new_plane_state = to_dm_plane_state(new_plane_state); + +@@ -4836,12 +4836,11 @@ static void amdgpu_dm_commit_planes(struct drm_atomic_state *state, + + dc_plane = dm_new_plane_state->dc_state; + +- framebuffer_changed = old_plane_state->fb && +- old_plane_state->fb != new_plane_state->fb; ++ plane_needs_flip = old_plane_state->fb && new_plane_state->fb; + +- pflip_present = pflip_present || framebuffer_changed; ++ pflip_present = pflip_present || plane_needs_flip; + +- if (framebuffer_changed) { ++ if (plane_needs_flip) { + /* + * TODO This might fail and hence better not used, wait + * explicitly on fences instead +-- +2.17.1 + |