drm/atomic: Boost CPU when committing a new frame

In order to reduce jank, request a CPU boost whenever a new frame is ready to be rendered to the display. The boosts should be sufficient enough to render 60 FPS without any dropped frames when there is no significant external source of load. Change-Id: I967a4f786c89e5ac1bb559167cfe8d345213a02a Signed-off-by: Sultan Alsawaf <[email protected]> Signed-off-by: Panchajanya1999 <[email protected]> Signed-off-by: Hunter-commits <[email protected]>
fraform · Oct 24, 2022 · 546d354 · 546d354
1 parent 04ffec3
commit 546d354
Showing 1 changed file with 8 additions and 1 deletion.
diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c
@@ -31,7 +31,8 @@
 #include <drm/drm_mode.h>
 #include <drm/drm_plane_helper.h>
 #include <linux/sync_file.h>
-
+#include <linux/cpu_input_boost.h>
+#include <linux/devfreq_boost.h>
 #include "drm_crtc_internal.h"
 
 static void crtc_commit_free(struct kref *kref)
@@ -1904,6 +1905,12 @@ int drm_mode_atomic_ioctl(struct drm_device *dev,
 			(arg->flags & DRM_MODE_PAGE_FLIP_EVENT))
 		return -EINVAL;
 
+	if (!(arg->flags & DRM_MODE_ATOMIC_TEST_ONLY)) {
+		devfreq_boost_kick(DEVFREQ_MSM_CPUBW);
+		cpu_input_boost_kick();
+
+	}
+
 	drm_modeset_acquire_init(&ctx, 0);
 
 	state = drm_atomic_state_alloc(dev);