drm/msm: create separate commit thread for each display
This change creates separate threads for commit on each
display, so that one display commit is not blocked on
other display's commit. Hence improving performance in
multi display use cases.
Change-Id: Ibd0dae1da53ec3a72de8b96c3c03ce51830cb4f9
Signed-off-by: Sandeep Panda <spanda@codeaurora.org>
Signed-off-by: Dhaval Patel <pdhaval@codeaurora.org>
diff --git a/drivers/gpu/drm/msm/msm_drv.h b/drivers/gpu/drm/msm/msm_drv.h
index e6fdeb9..06e9b53 100644
--- a/drivers/gpu/drm/msm/msm_drv.h
+++ b/drivers/gpu/drm/msm/msm_drv.h
@@ -35,6 +35,7 @@
#include <linux/of_device.h>
#include <linux/sde_io_util.h>
#include <asm/sizes.h>
+#include <linux/kthread.h>
#include <drm/drmP.h>
#include <drm/drm_atomic.h>
@@ -154,7 +155,7 @@
};
struct msm_vblank_ctrl {
- struct work_struct work;
+ struct kthread_work work;
struct list_head event_list;
spinlock_t lock;
};
@@ -235,6 +236,14 @@
u8 data[];
};
+/* Commit thread specific structure */
+struct msm_drm_commit {
+ struct drm_device *dev;
+ struct task_struct *thread;
+ unsigned int crtc_id;
+ struct kthread_worker worker;
+};
+
struct msm_drm_private {
struct drm_device *dev;
@@ -277,7 +286,6 @@
struct list_head inactive_list;
struct workqueue_struct *wq;
- struct workqueue_struct *atomic_wq;
/* crtcs pending async atomic updates: */
uint32_t pending_crtcs;
@@ -293,6 +301,8 @@
unsigned int num_crtcs;
struct drm_crtc *crtcs[MAX_CRTCS];
+ struct msm_drm_commit disp_thread[MAX_CRTCS];
+
unsigned int num_encoders;
struct drm_encoder *encoders[MAX_ENCODERS];