drm/udl: Call udl_handle_damage() with DRM framebuffer

Simplifying the udl code before replacing struct udl_framebuffer.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20191114141025.32198-5-tzimmermann@suse.de

diff --git a/drivers/gpu/drm/udl/udl_drv.h b/drivers/gpu/drm/udl/udl_drv.h
index a0946b9..c5e3160 100644 (file)
--- a/drivers/gpu/drm/udl/udl_drv.h
+++ b/drivers/gpu/drm/udl/udl_drv.h
@@ -110,7 +110,7 @@ int udl_render_hline(struct drm_device *dev, int log_bpp, struct urb **urb_ptr,
 struct drm_gem_object *udl_driver_gem_create_object(struct drm_device *dev,
                                                    size_t size);
 
-int udl_handle_damage(struct udl_framebuffer *fb, int x, int y,
+int udl_handle_damage(struct drm_framebuffer *fb, int x, int y,
                      int width, int height);
 
 int udl_drop_usb(struct drm_device *dev);

diff --git a/drivers/gpu/drm/udl/udl_fb.c b/drivers/gpu/drm/udl/udl_fb.c
index e9a4bbd..ad7bf16 100644 (file)
--- a/drivers/gpu/drm/udl/udl_fb.c
+++ b/drivers/gpu/drm/udl/udl_fb.c
@@ -60,10 +60,10 @@ static uint16_t rgb16(uint32_t col)
 }
 #endif
 
-int udl_handle_damage(struct udl_framebuffer *fb, int x, int y,
+int udl_handle_damage(struct drm_framebuffer *fb, int x, int y,
                      int width, int height)
 {
-       struct drm_device *dev = fb->base.dev;
+       struct drm_device *dev = fb->dev;
        struct udl_device *udl = to_udl(dev);
        int i, ret;
        char *cmd;
@@ -75,17 +75,19 @@ int udl_handle_damage(struct udl_framebuffer *fb, int x, int y,
        int log_bpp;
        void *vaddr;
 
-       BUG_ON(!is_power_of_2(fb->base.format->cpp[0]));
-       log_bpp = __ffs(fb->base.format->cpp[0]);
+       if (WARN_ON(!is_power_of_2(fb->format->cpp[0])))
+               return -EINVAL;
+
+       log_bpp = __ffs(fb->format->cpp[0]);
 
        spin_lock(&udl->active_fb_16_lock);
-       if (udl->active_fb_16 != &fb->base) {
+       if (udl->active_fb_16 != fb) {
                spin_unlock(&udl->active_fb_16_lock);
                return 0;
        }
        spin_unlock(&udl->active_fb_16_lock);
 
-       vaddr = drm_gem_shmem_vmap(&fb->shmem->base);
+       vaddr = drm_gem_shmem_vmap(fb->obj[0]);
        if (IS_ERR(vaddr)) {
                DRM_ERROR("failed to vmap fb\n");
                return 0;
@@ -96,8 +98,8 @@ int udl_handle_damage(struct udl_framebuffer *fb, int x, int y,
        x = aligned_x;
 
        if ((width <= 0) ||
-           (x + width > fb->base.width) ||
-           (y + height > fb->base.height)) {
+           (x + width > fb->width) ||
+           (y + height > fb->height)) {
                ret = -EINVAL;
                goto err_drm_gem_shmem_vunmap;
        }
@@ -110,9 +112,9 @@ int udl_handle_damage(struct udl_framebuffer *fb, int x, int y,
        cmd = urb->transfer_buffer;
 
        for (i = y; i < y + height ; i++) {
-               const int line_offset = fb->base.pitches[0] * i;
+               const int line_offset = fb->pitches[0] * i;
                const int byte_offset = line_offset + (x << log_bpp);
-               const int dev_byte_offset = (fb->base.width * i + x) << log_bpp;
+               const int dev_byte_offset = (fb->width * i + x) << log_bpp;
                if (udl_render_hline(dev, log_bpp, &urb, (char *)vaddr,
                                     &cmd, byte_offset, dev_byte_offset,
                                     width << log_bpp,
@@ -141,12 +143,12 @@ error:
                   &udl->cpu_kcycles_used);
 
 out:
-       drm_gem_shmem_vunmap(&fb->shmem->base, vaddr);
+       drm_gem_shmem_vunmap(fb->obj[0], vaddr);
 
        return 0;
 
 err_drm_gem_shmem_vunmap:
-       drm_gem_shmem_vunmap(&fb->shmem->base, vaddr);
+       drm_gem_shmem_vunmap(fb->obj[0], vaddr);
        return ret;
 }
 
@@ -156,7 +158,6 @@ static int udl_user_framebuffer_dirty(struct drm_framebuffer *fb,
                                      struct drm_clip_rect *clips,
                                      unsigned num_clips)
 {
-       struct udl_framebuffer *ufb = to_udl_fb(fb);
        struct udl_device *udl = fb->dev->dev_private;
        struct dma_buf_attachment *import_attach;
        int i;
@@ -171,7 +172,7 @@ static int udl_user_framebuffer_dirty(struct drm_framebuffer *fb,
        }
        spin_unlock(&udl->active_fb_16_lock);
 
-       import_attach = ufb->shmem->base.import_attach;
+       import_attach = fb->obj[0]->import_attach;
 
        if (import_attach) {
                ret = dma_buf_begin_cpu_access(import_attach->dmabuf,
@@ -181,9 +182,9 @@ static int udl_user_framebuffer_dirty(struct drm_framebuffer *fb,
        }
 
        for (i = 0; i < num_clips; i++) {
-               ret = udl_handle_damage(ufb, clips[i].x1, clips[i].y1,
-                                 clips[i].x2 - clips[i].x1,
-                                 clips[i].y2 - clips[i].y1);
+               ret = udl_handle_damage(fb, clips[i].x1, clips[i].y1,
+                                       clips[i].x2 - clips[i].x1,
+                                       clips[i].y2 - clips[i].y1);
                if (ret)
                        break;
        }

diff --git a/drivers/gpu/drm/udl/udl_modeset.c b/drivers/gpu/drm/udl/udl_modeset.c
index 44a741f..91af25c 100644 (file)
--- a/drivers/gpu/drm/udl/udl_modeset.c
+++ b/drivers/gpu/drm/udl/udl_modeset.c
@@ -301,7 +301,7 @@ static int udl_crtc_mode_set(struct drm_crtc *crtc,
 
 {
        struct drm_device *dev = crtc->dev;
-       struct udl_framebuffer *ufb = to_udl_fb(crtc->primary->fb);
+       struct drm_framebuffer *fb = crtc->primary->fb;
        struct udl_device *udl = dev->dev_private;
        char *buf;
        char *wrptr;
@@ -333,12 +333,12 @@ static int udl_crtc_mode_set(struct drm_crtc *crtc,
        wrptr = udl_dummy_render(wrptr);
 
        spin_lock(&udl->active_fb_16_lock);
-       udl->active_fb_16 = &ufb->base;
+       udl->active_fb_16 = fb;
        spin_unlock(&udl->active_fb_16_lock);
        udl->mode_buf_len = wrptr - buf;
 
        /* damage all of it */
-       udl_handle_damage(ufb, 0, 0, ufb->base.width, ufb->base.height);
+       udl_handle_damage(fb, 0, 0, fb->width, fb->height);
        return 0;
 }
 
@@ -360,7 +360,6 @@ static int udl_crtc_page_flip(struct drm_crtc *crtc,
                              uint32_t page_flip_flags,
                              struct drm_modeset_acquire_ctx *ctx)
 {
-       struct udl_framebuffer *ufb = to_udl_fb(fb);
        struct drm_device *dev = crtc->dev;
        struct udl_device *udl = dev->dev_private;
 
@@ -368,7 +367,7 @@ static int udl_crtc_page_flip(struct drm_crtc *crtc,
        udl->active_fb_16 = fb;
        spin_unlock(&udl->active_fb_16_lock);
 
-       udl_handle_damage(ufb, 0, 0, fb->width, fb->height);
+       udl_handle_damage(fb, 0, 0, fb->width, fb->height);
 
        spin_lock_irq(&dev->event_lock);
        if (event)
@@ -448,13 +447,13 @@ int udl_modeset_init(struct drm_device *dev)
 void udl_modeset_restore(struct drm_device *dev)
 {
        struct udl_device *udl = dev->dev_private;
-       struct udl_framebuffer *ufb;
+       struct drm_framebuffer *fb;
 
        if (!udl->crtc || !udl->crtc->primary->fb)
                return;
        udl_crtc_commit(udl->crtc);
-       ufb = to_udl_fb(udl->crtc->primary->fb);
-       udl_handle_damage(ufb, 0, 0, ufb->base.width, ufb->base.height);
+       fb = udl->crtc->primary->fb;
+       udl_handle_damage(fb, 0, 0, fb->width, fb->height);
 }
 
 void udl_modeset_cleanup(struct drm_device *dev)