[PATCH RFC v2 2/6] drm: msm: add dirty framebuffer helper

From: Brian Masney
Date: Wed May 08 2019 - 22:05:23 EST


Use drm_atomic_helper_dirtyfb() as the dirty callback in the
msm_framebuffer_funcs struct. Call drm_plane_enable_fb_damage_clips()
when the planes are initialized in mdp4, mdp5, and dpu1.

Signed-off-by: Brian Masney <masneyb@xxxxxxxxxxxxx>
---
Changes since v1:
- Add drm_plane_enable_fb_damage_clips() to plane init for mdp4, mdp5,
and dpu1.

drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c | 3 +++
drivers/gpu/drm/msm/disp/mdp4/mdp4_plane.c | 3 +++
drivers/gpu/drm/msm/disp/mdp5/mdp5_plane.c | 3 +++
drivers/gpu/drm/msm/msm_fb.c | 2 ++
4 files changed, 11 insertions(+)

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
index ce1a555e1f31..f3d009a3dc63 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
@@ -21,6 +21,7 @@
#include <linux/debugfs.h>
#include <linux/dma-buf.h>

+#include <drm/drm_damage_helper.h>
#include <drm/drm_atomic_uapi.h>

#include "msm_drv.h"
@@ -1540,6 +1541,8 @@ struct drm_plane *dpu_plane_init(struct drm_device *dev,
if (ret)
DPU_ERROR("failed to install zpos property, rc = %d\n", ret);

+ drm_plane_enable_fb_damage_clips(plane);
+
/* success! finalize initialization */
drm_plane_helper_add(plane, &dpu_plane_helper_funcs);

diff --git a/drivers/gpu/drm/msm/disp/mdp4/mdp4_plane.c b/drivers/gpu/drm/msm/disp/mdp4/mdp4_plane.c
index 005066f7154d..2d46d1126283 100644
--- a/drivers/gpu/drm/msm/disp/mdp4/mdp4_plane.c
+++ b/drivers/gpu/drm/msm/disp/mdp4/mdp4_plane.c
@@ -15,6 +15,7 @@
* this program. If not, see <http://www.gnu.org/licenses/>.
*/

+#include <drm/drm_damage_helper.h>
#include "mdp4_kms.h"

#define DOWN_SCALE_MAX 8
@@ -391,6 +392,8 @@ struct drm_plane *mdp4_plane_init(struct drm_device *dev,

mdp4_plane_install_properties(plane, &plane->base);

+ drm_plane_enable_fb_damage_clips(plane);
+
return plane;

fail:
diff --git a/drivers/gpu/drm/msm/disp/mdp5/mdp5_plane.c b/drivers/gpu/drm/msm/disp/mdp5/mdp5_plane.c
index be13140967b4..fcb6d32c2b38 100644
--- a/drivers/gpu/drm/msm/disp/mdp5/mdp5_plane.c
+++ b/drivers/gpu/drm/msm/disp/mdp5/mdp5_plane.c
@@ -16,6 +16,7 @@
* this program. If not, see <http://www.gnu.org/licenses/>.
*/

+#include <drm/drm_damage_helper.h>
#include <drm/drm_print.h>
#include "mdp5_kms.h"

@@ -1099,6 +1100,8 @@ struct drm_plane *mdp5_plane_init(struct drm_device *dev,

mdp5_plane_install_properties(plane, &plane->base);

+ drm_plane_enable_fb_damage_clips(plane);
+
return plane;

fail:
diff --git a/drivers/gpu/drm/msm/msm_fb.c b/drivers/gpu/drm/msm/msm_fb.c
index 136058978e0f..8624a8e4025f 100644
--- a/drivers/gpu/drm/msm/msm_fb.c
+++ b/drivers/gpu/drm/msm/msm_fb.c
@@ -16,6 +16,7 @@
*/

#include <drm/drm_crtc.h>
+#include <drm/drm_damage_helper.h>
#include <drm/drm_gem_framebuffer_helper.h>
#include <drm/drm_probe_helper.h>

@@ -35,6 +36,7 @@ static struct drm_framebuffer *msm_framebuffer_init(struct drm_device *dev,
static const struct drm_framebuffer_funcs msm_framebuffer_funcs = {
.create_handle = drm_gem_fb_create_handle,
.destroy = drm_gem_fb_destroy,
+ .dirty = drm_atomic_helper_dirtyfb,
};

#ifdef CONFIG_DEBUG_FS
--
2.20.1