From 4d86e5effb8623372ab091d27d036ba310f392db Mon Sep 17 00:00:00 2001 From: Shirish S Date: Fri, 27 Oct 2017 03:25:55 +0000 Subject: [PATCH 2628/4131] drm/amd/display: check if modeset is required before adding plane Adding affected planes without checking if modeset is requested from the user space causes performance regression in video p/b scenarios when full screen p/b is not composited. Hence add a check before adding a plane as affected. bug: https://bugs.freedesktop.org/show_bug.cgi?id=103408 Change-Id: Id51be32d8dffdb2627576addf6c5c3145201ce54 Acked-by: Alex Deucher Reviewed-by: Harry Wentland Signed-off-by: Shirish S Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 3 +++ 1 file changed, 3 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 b5af98d..0abcb16 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -4896,6 +4896,9 @@ static int amdgpu_dm_atomic_check(struct drm_device *dev, #else for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) { #endif + if (!drm_atomic_crtc_needs_modeset(new_crtc_state)) + continue; + if (!new_crtc_state->enable) continue; -- 2.7.4