diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.19.8/0933-drm-amd-display-Fix-duplicating-scaling-underscan-co.patch')
-rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.19.8/0933-drm-amd-display-Fix-duplicating-scaling-underscan-co.patch | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.19.8/0933-drm-amd-display-Fix-duplicating-scaling-underscan-co.patch b/common/recipes-kernel/linux/linux-yocto-4.19.8/0933-drm-amd-display-Fix-duplicating-scaling-underscan-co.patch new file mode 100644 index 00000000..56535e6a --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.19.8/0933-drm-amd-display-Fix-duplicating-scaling-underscan-co.patch @@ -0,0 +1,46 @@ +From 82a02b171093d8e4d724e959953fb0be613e6dec Mon Sep 17 00:00:00 2001 +From: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com> +Date: Fri, 7 Dec 2018 10:07:09 -0500 +Subject: [PATCH 0933/2940] drm/amd/display: Fix duplicating scaling/underscan + connector state + +[Why] +These properties aren't being carried over when the atomic state. +This tricks atomic check and commit tail into performing underscan +and scaling operations when they aren't needed. + +With the patch that forced scaling/RMX_ASPECT on by default this +results in many unnecessary surface updates and hangs under certain +conditions. + +[How] +Duplicate the properties. + +Fixes: 91b66c47ba34 ("drm/amd/display: Set RMX_ASPECT as default") + +Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com> +Acked-by: Alex Deucher <alexander.deucher@amd.com> +Reviewed-by: Leo Li <sunpeng.li@amd.com> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 4 ++++ + 1 file changed, 4 insertions(+) + +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 ee4c5ccfdc6a..4e6ebf30b54e 100644 +--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c ++++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +@@ -3270,6 +3270,10 @@ amdgpu_dm_connector_atomic_duplicate_state(struct drm_connector *connector) + + new_state->freesync_capable = state->freesync_capable; + new_state->abm_level = state->abm_level; ++ new_state->scaling = state->scaling; ++ new_state->underscan_enable = state->underscan_enable; ++ new_state->underscan_hborder = state->underscan_hborder; ++ new_state->underscan_vborder = state->underscan_vborder; + new_state->max_bpc = state->max_bpc; + + return &new_state->base; +-- +2.17.1 + |