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authorThomas Zimmermann <tzimmermann@suse.de>2019-11-14 15:10:23 +0100
committerThomas Zimmermann <tzimmermann@suse.de>2019-11-26 12:34:43 +0100
commitba59b015a0145330e2bf7ab20d504bc624fd618a (patch)
tree6137c0ebafb84410d8287ab74f0b01aedc05e308 /drivers/gpu/drm/udl/udl_modeset.c
parentf3f8630a9a7c8f8ab1b16e09b254417478df5182 (diff)
drm/udl: Store active framebuffer in device structure
The framebuffer's 'active_16' flag signals which framebuffer to flush to device memory. Moving the 'active_16' state from struct udl_framebuffer into struct udl_device prepares for using the generic GEM framebuffer. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Acked-by: Sam Ravnborg <sam@ravnborg.org> Link: https://patchwork.freedesktop.org/patch/msgid/20191114141025.32198-4-tzimmermann@suse.de
Diffstat (limited to 'drivers/gpu/drm/udl/udl_modeset.c')
-rw-r--r--drivers/gpu/drm/udl/udl_modeset.c18
1 files changed, 7 insertions, 11 deletions
diff --git a/drivers/gpu/drm/udl/udl_modeset.c b/drivers/gpu/drm/udl/udl_modeset.c
index 6582c9d27a87..44a741f463c9 100644
--- a/drivers/gpu/drm/udl/udl_modeset.c
+++ b/drivers/gpu/drm/udl/udl_modeset.c
@@ -332,11 +332,9 @@ static int udl_crtc_mode_set(struct drm_crtc *crtc,
wrptr = udl_dummy_render(wrptr);
- if (old_fb) {
- struct udl_framebuffer *uold_fb = to_udl_fb(old_fb);
- uold_fb->active_16 = false;
- }
- ufb->active_16 = true;
+ spin_lock(&udl->active_fb_16_lock);
+ udl->active_fb_16 = &ufb->base;
+ spin_unlock(&udl->active_fb_16_lock);
udl->mode_buf_len = wrptr - buf;
/* damage all of it */
@@ -364,13 +362,11 @@ static int udl_crtc_page_flip(struct drm_crtc *crtc,
{
struct udl_framebuffer *ufb = to_udl_fb(fb);
struct drm_device *dev = crtc->dev;
+ struct udl_device *udl = dev->dev_private;
- struct drm_framebuffer *old_fb = crtc->primary->fb;
- if (old_fb) {
- struct udl_framebuffer *uold_fb = to_udl_fb(old_fb);
- uold_fb->active_16 = false;
- }
- ufb->active_16 = true;
+ spin_lock(&udl->active_fb_16_lock);
+ udl->active_fb_16 = fb;
+ spin_unlock(&udl->active_fb_16_lock);
udl_handle_damage(ufb, 0, 0, fb->width, fb->height);