[PATCH v2 7/9] drm/udl: Remove struct udl_device.active_fb_16

[Thomas Zimmermann <tzimmermann@suse.de>]

The udl driver stores the currently active framebuffer to know from
where to accept damage updates.

With the conversion to plane-state damage handling, this is not necessary
any longer. The currently active framebuffer and damaged area are always
stored in the plane state.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
---
 drivers/gpu/drm/udl/udl_drv.h     | 4 ----
 drivers/gpu/drm/udl/udl_fb.c      | 8 --------
 drivers/gpu/drm/udl/udl_main.c    | 3 ---
 drivers/gpu/drm/udl/udl_modeset.c | 9 ---------
 4 files changed, 24 deletions(-)

diff --git a/drivers/gpu/drm/udl/udl_drv.h b/drivers/gpu/drm/udl/udl_drv.h
index 70756f8d4e66..a76397831cee 100644
--- a/drivers/gpu/drm/udl/udl_drv.h
+++ b/drivers/gpu/drm/udl/udl_drv.h
@@ -55,10 +55,6 @@ struct udl_device {
 
 	struct drm_simple_display_pipe display_pipe;
 
-	/* active framebuffer on the 16-bit channel */
-	const struct drm_framebuffer *active_fb_16;
-	spinlock_t active_fb_16_lock;
-
 	struct mutex gem_lock;
 
 	int sku_pixel_limit;
diff --git a/drivers/gpu/drm/udl/udl_fb.c b/drivers/gpu/drm/udl/udl_fb.c
index 98cc2ab3a916..397c62142978 100644
--- a/drivers/gpu/drm/udl/udl_fb.c
+++ b/drivers/gpu/drm/udl/udl_fb.c
@@ -87,7 +87,6 @@ int udl_handle_damage(struct drm_framebuffer *fb, int x, int y,
 		      int width, int height)
 {
 	struct drm_device *dev = fb->dev;
-	struct udl_device *udl = to_udl(dev);
 	struct dma_buf_attachment *import_attach = fb->obj[0]->import_attach;
 	int i, ret, tmp_ret;
 	char *cmd;
@@ -96,13 +95,6 @@ int udl_handle_damage(struct drm_framebuffer *fb, int x, int y,
 	int log_bpp;
 	void *vaddr;
 
-	spin_lock(&udl->active_fb_16_lock);
-	if (udl->active_fb_16 != fb) {
-		spin_unlock(&udl->active_fb_16_lock);
-		return 0;
-	}
-	spin_unlock(&udl->active_fb_16_lock);
-
 	ret = udl_log_cpp(fb->format->cpp[0]);
 	if (ret < 0)
 		return ret;
diff --git a/drivers/gpu/drm/udl/udl_main.c b/drivers/gpu/drm/udl/udl_main.c
index ff3e98666e8c..538718919916 100644
--- a/drivers/gpu/drm/udl/udl_main.c
+++ b/drivers/gpu/drm/udl/udl_main.c
@@ -314,9 +314,6 @@ int udl_init(struct udl_device *udl)
 
 	DRM_DEBUG("\n");
 
-	udl->active_fb_16 = NULL;
-	spin_lock_init(&udl->active_fb_16_lock);
-
 	mutex_init(&udl->gem_lock);
 
 	if (!udl_parse_vendor_descriptor(dev, udl->udev)) {
diff --git a/drivers/gpu/drm/udl/udl_modeset.c b/drivers/gpu/drm/udl/udl_modeset.c
index 28c0d93141d1..21c0b95214ca 100644
--- a/drivers/gpu/drm/udl/udl_modeset.c
+++ b/drivers/gpu/drm/udl/udl_modeset.c
@@ -292,9 +292,6 @@ udl_simple_display_pipe_enable(struct drm_simple_display_pipe *pipe,
 
 	wrptr = udl_dummy_render(wrptr);
 
-	spin_lock(&udl->active_fb_16_lock);
-	udl->active_fb_16 = fb;
-	spin_unlock(&udl->active_fb_16_lock);
 	udl->mode_buf_len = wrptr - buf;
 
 	udl_handle_damage(fb, 0, 0, fb->width, fb->height);
@@ -339,16 +336,10 @@ static void
 udl_simple_display_pipe_update(struct drm_simple_display_pipe *pipe,
 			       struct drm_plane_state *old_plane_state)
 {
-	struct drm_device *dev = pipe->crtc.dev;
-	struct udl_device *udl = dev->dev_private;
 	struct drm_plane_state *state = pipe->plane.state;
 	struct drm_framebuffer *fb = state->fb;
 	struct drm_rect rect;
 
-	spin_lock(&udl->active_fb_16_lock);
-	udl->active_fb_16 = fb;
-	spin_unlock(&udl->active_fb_16_lock);
-
 	if (!fb)
 		return;
 
-- 
2.23.0

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