mirror of https://gitee.com/openkylin/linux.git
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 Acked-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Harry Wentland <harry.wentland@amd.com> Signed-off-by: Shirish S <shirish.s@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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@ -4653,6 +4653,9 @@ static int amdgpu_dm_atomic_check(struct drm_device *dev,
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}
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} else {
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for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) {
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if (!drm_atomic_crtc_needs_modeset(new_crtc_state))
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continue;
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if (!new_crtc_state->enable)
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continue;
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