diff options
Diffstat (limited to 'drivers/gpu/drm/udl/udl_fb.c')
| -rw-r--r-- | drivers/gpu/drm/udl/udl_fb.c | 26 |
1 files changed, 22 insertions, 4 deletions
diff --git a/drivers/gpu/drm/udl/udl_fb.c b/drivers/gpu/drm/udl/udl_fb.c index 877df05..67df842 100644 --- a/drivers/gpu/drm/udl/udl_fb.c +++ b/drivers/gpu/drm/udl/udl_fb.c @@ -13,6 +13,7 @@ #include <linux/module.h> #include <linux/slab.h> #include <linux/fb.h> +#include <linux/dma-buf.h> #include <drm/drmP.h> #include <drm/drm_crtc.h> @@ -355,12 +356,12 @@ static struct fb_ops udlfb_ops = { .fb_release = udl_fb_release, }; -void udl_crtc_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green, +static void udl_crtc_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green, u16 blue, int regno) { } -void udl_crtc_fb_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green, +static void udl_crtc_fb_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green, u16 *blue, int regno) { *red = 0; @@ -376,16 +377,33 @@ static int udl_user_framebuffer_dirty(struct drm_framebuffer *fb, { struct udl_framebuffer *ufb = to_udl_fb(fb); int i; + int ret = 0; if (!ufb->active_16) return 0; + if (ufb->obj->base.import_attach) { + ret = dma_buf_begin_cpu_access(ufb->obj->base.import_attach->dmabuf, + 0, ufb->obj->base.size, + DMA_FROM_DEVICE); + if (ret) + return ret; + } + for (i = 0; i < num_clips; i++) { - udl_handle_damage(ufb, clips[i].x1, clips[i].y1, + ret = udl_handle_damage(ufb, clips[i].x1, clips[i].y1, clips[i].x2 - clips[i].x1, clips[i].y2 - clips[i].y1); + if (ret) + break; } - return 0; + + if (ufb->obj->base.import_attach) { + dma_buf_end_cpu_access(ufb->obj->base.import_attach->dmabuf, + 0, ufb->obj->base.size, + DMA_FROM_DEVICE); + } + return ret; } static void udl_user_framebuffer_destroy(struct drm_framebuffer *fb) |
