diff options
Diffstat (limited to 'drivers/gpu/drm/udl/udl_fb.c')
| -rw-r--r-- | drivers/gpu/drm/udl/udl_fb.c | 37 |
1 files changed, 27 insertions, 10 deletions
diff --git a/drivers/gpu/drm/udl/udl_fb.c b/drivers/gpu/drm/udl/udl_fb.c index ce9a6117992..69a2b16f42a 100644 --- a/drivers/gpu/drm/udl/udl_fb.c +++ b/drivers/gpu/drm/udl/udl_fb.c @@ -13,14 +13,14 @@ #include <linux/module.h> #include <linux/slab.h> #include <linux/fb.h> +#include <linux/dma-buf.h> -#include "drmP.h" -#include "drm.h" -#include "drm_crtc.h" -#include "drm_crtc_helper.h" +#include <drm/drmP.h> +#include <drm/drm_crtc.h> +#include <drm/drm_crtc_helper.h> #include "udl_drv.h" -#include "drm_fb_helper.h" +#include <drm/drm_fb_helper.h> #define DL_DEFIO_WRITE_DELAY 5 /* fb_deferred_io.delay in jiffies */ @@ -243,7 +243,7 @@ static int udl_fb_mmap(struct fb_info *info, struct vm_area_struct *vma) size = 0; } - vma->vm_flags |= VM_RESERVED; /* avoid to swap out this VMA */ + /* VM_IO | VM_DONTEXPAND | VM_DONTDUMP are set by remap_pfn_range() */ return 0; } @@ -356,12 +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; @@ -377,16 +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) |