The only caller of udl_handle_damage() in the plane-update function in udl_modeset.c. Move udl_handle_damage() there.
v2: * remove udl_fb.c in a separate patch
Signed-off-by: Thomas Zimmermann tzimmermann@suse.de Reviewed-by: Daniel Vetter daniel.vetter@ffwll.ch Reviewed-by: Emil Velikov emil.l.velikov@gmail.com --- drivers/gpu/drm/udl/udl_drv.h | 3 - drivers/gpu/drm/udl/udl_fb.c | 111 ------------------------------ drivers/gpu/drm/udl/udl_modeset.c | 111 ++++++++++++++++++++++++++++++ 3 files changed, 111 insertions(+), 114 deletions(-)
diff --git a/drivers/gpu/drm/udl/udl_drv.h b/drivers/gpu/drm/udl/udl_drv.h index dd58b9a51669..e67227c44cc4 100644 --- a/drivers/gpu/drm/udl/udl_drv.h +++ b/drivers/gpu/drm/udl/udl_drv.h @@ -86,9 +86,6 @@ 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 drm_framebuffer *fb, int x, int y, - int width, int height); - int udl_drop_usb(struct drm_device *dev);
#define CMD_WRITE_RAW8 "\xAF\x60" /**< 8 bit raw write command. */ diff --git a/drivers/gpu/drm/udl/udl_fb.c b/drivers/gpu/drm/udl/udl_fb.c index 397c62142978..84cff9d9edbe 100644 --- a/drivers/gpu/drm/udl/udl_fb.c +++ b/drivers/gpu/drm/udl/udl_fb.c @@ -9,10 +9,6 @@ */
#include <linux/moduleparam.h> -#include <linux/dma-buf.h> - -#include <drm/drm_fourcc.h> -#include <drm/drm_gem_shmem_helper.h>
#include "udl_drv.h"
@@ -53,110 +49,3 @@ static uint16_t rgb16(uint32_t col) return (DLO_RG16(red, grn) << 8) + DLO_GB16(grn, blu); } #endif - -static long udl_log_cpp(unsigned int cpp) -{ - if (WARN_ON(!is_power_of_2(cpp))) - return -EINVAL; - return __ffs(cpp); -} - -static int udl_aligned_damage_clip(struct drm_rect *clip, int x, int y, - int width, int height) -{ - int x1, x2; - - if (WARN_ON_ONCE(x < 0) || - WARN_ON_ONCE(y < 0) || - WARN_ON_ONCE(width < 0) || - WARN_ON_ONCE(height < 0)) - return -EINVAL; - - x1 = ALIGN_DOWN(x, sizeof(unsigned long)); - x2 = ALIGN(width + (x - x1), sizeof(unsigned long)) + x1; - - clip->x1 = x1; - clip->y1 = y; - clip->x2 = x2; - clip->y2 = y + height; - - return 0; -} - -int udl_handle_damage(struct drm_framebuffer *fb, int x, int y, - int width, int height) -{ - struct drm_device *dev = fb->dev; - struct dma_buf_attachment *import_attach = fb->obj[0]->import_attach; - int i, ret, tmp_ret; - char *cmd; - struct urb *urb; - struct drm_rect clip; - int log_bpp; - void *vaddr; - - ret = udl_log_cpp(fb->format->cpp[0]); - if (ret < 0) - return ret; - log_bpp = ret; - - ret = udl_aligned_damage_clip(&clip, x, y, width, height); - if (ret) - return ret; - else if ((clip.x2 > fb->width) || (clip.y2 > fb->height)) - return -EINVAL; - - if (import_attach) { - ret = dma_buf_begin_cpu_access(import_attach->dmabuf, - DMA_FROM_DEVICE); - if (ret) - return ret; - } - - vaddr = drm_gem_shmem_vmap(fb->obj[0]); - if (IS_ERR(vaddr)) { - DRM_ERROR("failed to vmap fb\n"); - goto out_dma_buf_end_cpu_access; - } - - urb = udl_get_urb(dev); - if (!urb) - goto out_drm_gem_shmem_vunmap; - cmd = urb->transfer_buffer; - - for (i = clip.y1; i < clip.y2; i++) { - const int line_offset = fb->pitches[0] * i; - const int byte_offset = line_offset + (clip.x1 << log_bpp); - const int dev_byte_offset = (fb->width * i + clip.x1) << log_bpp; - const int byte_width = (clip.x2 - clip.x1) << log_bpp; - ret = udl_render_hline(dev, log_bpp, &urb, (char *)vaddr, - &cmd, byte_offset, dev_byte_offset, - byte_width); - if (ret) - goto out_drm_gem_shmem_vunmap; - } - - if (cmd > (char *) urb->transfer_buffer) { - /* Send partial buffer remaining before exiting */ - int len; - if (cmd < (char *) urb->transfer_buffer + urb->transfer_buffer_length) - *cmd++ = 0xAF; - len = cmd - (char *) urb->transfer_buffer; - ret = udl_submit_urb(dev, urb, len); - } else - udl_urb_completion(urb); - - ret = 0; - -out_drm_gem_shmem_vunmap: - drm_gem_shmem_vunmap(fb->obj[0], vaddr); -out_dma_buf_end_cpu_access: - if (import_attach) { - tmp_ret = dma_buf_end_cpu_access(import_attach->dmabuf, - DMA_FROM_DEVICE); - if (tmp_ret && !ret) - ret = tmp_ret; /* only update ret if not set yet */ - } - - return ret; -} diff --git a/drivers/gpu/drm/udl/udl_modeset.c b/drivers/gpu/drm/udl/udl_modeset.c index deac5e303604..9283a8224ccf 100644 --- a/drivers/gpu/drm/udl/udl_modeset.c +++ b/drivers/gpu/drm/udl/udl_modeset.c @@ -9,10 +9,14 @@
*/
+#include <linux/dma-buf.h> + #include <drm/drm_atomic_helper.h> #include <drm/drm_crtc_helper.h> #include <drm/drm_damage_helper.h> +#include <drm/drm_fourcc.h> #include <drm/drm_gem_framebuffer_helper.h> +#include <drm/drm_gem_shmem_helper.h> #include <drm/drm_modeset_helper_vtables.h> #include <drm/drm_vblank.h>
@@ -233,6 +237,113 @@ static int udl_crtc_write_mode_to_hw(struct drm_crtc *crtc) return retval; }
+static long udl_log_cpp(unsigned int cpp) +{ + if (WARN_ON(!is_power_of_2(cpp))) + return -EINVAL; + return __ffs(cpp); +} + +static int udl_aligned_damage_clip(struct drm_rect *clip, int x, int y, + int width, int height) +{ + int x1, x2; + + if (WARN_ON_ONCE(x < 0) || + WARN_ON_ONCE(y < 0) || + WARN_ON_ONCE(width < 0) || + WARN_ON_ONCE(height < 0)) + return -EINVAL; + + x1 = ALIGN_DOWN(x, sizeof(unsigned long)); + x2 = ALIGN(width + (x - x1), sizeof(unsigned long)) + x1; + + clip->x1 = x1; + clip->y1 = y; + clip->x2 = x2; + clip->y2 = y + height; + + return 0; +} + +int udl_handle_damage(struct drm_framebuffer *fb, int x, int y, + int width, int height) +{ + struct drm_device *dev = fb->dev; + struct dma_buf_attachment *import_attach = fb->obj[0]->import_attach; + int i, ret, tmp_ret; + char *cmd; + struct urb *urb; + struct drm_rect clip; + int log_bpp; + void *vaddr; + + ret = udl_log_cpp(fb->format->cpp[0]); + if (ret < 0) + return ret; + log_bpp = ret; + + ret = udl_aligned_damage_clip(&clip, x, y, width, height); + if (ret) + return ret; + else if ((clip.x2 > fb->width) || (clip.y2 > fb->height)) + return -EINVAL; + + if (import_attach) { + ret = dma_buf_begin_cpu_access(import_attach->dmabuf, + DMA_FROM_DEVICE); + if (ret) + return ret; + } + + vaddr = drm_gem_shmem_vmap(fb->obj[0]); + if (IS_ERR(vaddr)) { + DRM_ERROR("failed to vmap fb\n"); + goto out_dma_buf_end_cpu_access; + } + + urb = udl_get_urb(dev); + if (!urb) + goto out_drm_gem_shmem_vunmap; + cmd = urb->transfer_buffer; + + for (i = clip.y1; i < clip.y2; i++) { + const int line_offset = fb->pitches[0] * i; + const int byte_offset = line_offset + (clip.x1 << log_bpp); + const int dev_byte_offset = (fb->width * i + clip.x1) << log_bpp; + const int byte_width = (clip.x2 - clip.x1) << log_bpp; + ret = udl_render_hline(dev, log_bpp, &urb, (char *)vaddr, + &cmd, byte_offset, dev_byte_offset, + byte_width); + if (ret) + goto out_drm_gem_shmem_vunmap; + } + + if (cmd > (char *) urb->transfer_buffer) { + /* Send partial buffer remaining before exiting */ + int len; + if (cmd < (char *) urb->transfer_buffer + urb->transfer_buffer_length) + *cmd++ = 0xAF; + len = cmd - (char *) urb->transfer_buffer; + ret = udl_submit_urb(dev, urb, len); + } else + udl_urb_completion(urb); + + ret = 0; + +out_drm_gem_shmem_vunmap: + drm_gem_shmem_vunmap(fb->obj[0], vaddr); +out_dma_buf_end_cpu_access: + if (import_attach) { + tmp_ret = dma_buf_end_cpu_access(import_attach->dmabuf, + DMA_FROM_DEVICE); + if (tmp_ret && !ret) + ret = tmp_ret; /* only update ret if not set yet */ + } + + return ret; +} + /* * Simple display pipeline */