diff options
Diffstat (limited to 'drivers/gpu/drm/tinydrm/core')
| -rw-r--r-- | drivers/gpu/drm/tinydrm/core/tinydrm-core.c | 26 | ||||
| -rw-r--r-- | drivers/gpu/drm/tinydrm/core/tinydrm-helpers.c | 100 | ||||
| -rw-r--r-- | drivers/gpu/drm/tinydrm/core/tinydrm-pipe.c | 34 |
3 files changed, 15 insertions, 145 deletions
diff --git a/drivers/gpu/drm/tinydrm/core/tinydrm-core.c b/drivers/gpu/drm/tinydrm/core/tinydrm-core.c index 01a6f2d42440..554abd5d3b53 100644 --- a/drivers/gpu/drm/tinydrm/core/tinydrm-core.c +++ b/drivers/gpu/drm/tinydrm/core/tinydrm-core.c @@ -9,12 +9,15 @@ #include <drm/drm_atomic.h> #include <drm/drm_atomic_helper.h> -#include <drm/drm_crtc_helper.h> +#include <drm/drm_drv.h> #include <drm/drm_fb_helper.h> #include <drm/drm_gem_framebuffer_helper.h> +#include <drm/drm_probe_helper.h> +#include <drm/drm_print.h> #include <drm/tinydrm/tinydrm.h> #include <linux/device.h> #include <linux/dma-buf.h> +#include <linux/module.h> /** * DOC: overview @@ -36,31 +39,17 @@ * and registers the DRM device using devm_tinydrm_register(). */ -static struct drm_framebuffer * -tinydrm_fb_create(struct drm_device *drm, struct drm_file *file_priv, - const struct drm_mode_fb_cmd2 *mode_cmd) -{ - struct tinydrm_device *tdev = drm->dev_private; - - return drm_gem_fb_create_with_funcs(drm, file_priv, mode_cmd, - tdev->fb_funcs); -} - static const struct drm_mode_config_funcs tinydrm_mode_config_funcs = { - .fb_create = tinydrm_fb_create, + .fb_create = drm_gem_fb_create_with_dirty, .atomic_check = drm_atomic_helper_check, .atomic_commit = drm_atomic_helper_commit, }; static int tinydrm_init(struct device *parent, struct tinydrm_device *tdev, - const struct drm_framebuffer_funcs *fb_funcs, struct drm_driver *driver) { struct drm_device *drm; - mutex_init(&tdev->dirty_lock); - tdev->fb_funcs = fb_funcs; - /* * We don't embed drm_device, because that prevent us from using * devm_kzalloc() to allocate tinydrm_device in the driver since @@ -83,7 +72,6 @@ static int tinydrm_init(struct device *parent, struct tinydrm_device *tdev, static void tinydrm_fini(struct tinydrm_device *tdev) { drm_mode_config_cleanup(tdev->drm); - mutex_destroy(&tdev->dirty_lock); tdev->drm->dev_private = NULL; drm_dev_put(tdev->drm); } @@ -97,7 +85,6 @@ static void devm_tinydrm_release(void *data) * devm_tinydrm_init - Initialize tinydrm device * @parent: Parent device object * @tdev: tinydrm device - * @fb_funcs: Framebuffer functions * @driver: DRM driver * * This function initializes @tdev, the underlying DRM device and it's @@ -108,12 +95,11 @@ static void devm_tinydrm_release(void *data) * Zero on success, negative error code on failure. */ int devm_tinydrm_init(struct device *parent, struct tinydrm_device *tdev, - const struct drm_framebuffer_funcs *fb_funcs, struct drm_driver *driver) { int ret; - ret = tinydrm_init(parent, tdev, fb_funcs, driver); + ret = tinydrm_init(parent, tdev, driver); if (ret) return ret; diff --git a/drivers/gpu/drm/tinydrm/core/tinydrm-helpers.c b/drivers/gpu/drm/tinydrm/core/tinydrm-helpers.c index bf6bfbc5d412..2737b6fdadc8 100644 --- a/drivers/gpu/drm/tinydrm/core/tinydrm-helpers.c +++ b/drivers/gpu/drm/tinydrm/core/tinydrm-helpers.c @@ -17,104 +17,16 @@ #include <drm/drm_device.h> #include <drm/drm_drv.h> #include <drm/drm_fourcc.h> +#include <drm/drm_framebuffer.h> #include <drm/drm_print.h> -#include <drm/tinydrm/tinydrm.h> +#include <drm/drm_rect.h> #include <drm/tinydrm/tinydrm-helpers.h> -#include <uapi/drm/drm.h> static unsigned int spi_max; module_param(spi_max, uint, 0400); MODULE_PARM_DESC(spi_max, "Set a lower SPI max transfer size"); /** - * tinydrm_merge_clips - Merge clip rectangles - * @dst: Destination clip rectangle - * @src: Source clip rectangle(s) - * @num_clips: Number of @src clip rectangles - * @flags: Dirty fb ioctl flags - * @max_width: Maximum width of @dst - * @max_height: Maximum height of @dst - * - * This function merges @src clip rectangle(s) into @dst. If @src is NULL, - * @max_width and @min_width is used to set a full @dst clip rectangle. - * - * Returns: - * true if it's a full clip, false otherwise - */ -bool tinydrm_merge_clips(struct drm_clip_rect *dst, - struct drm_clip_rect *src, unsigned int num_clips, - unsigned int flags, u32 max_width, u32 max_height) -{ - unsigned int i; - - if (!src || !num_clips) { - dst->x1 = 0; - dst->x2 = max_width; - dst->y1 = 0; - dst->y2 = max_height; - return true; - } - - dst->x1 = ~0; - dst->y1 = ~0; - dst->x2 = 0; - dst->y2 = 0; - - for (i = 0; i < num_clips; i++) { - if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY) - i++; - dst->x1 = min(dst->x1, src[i].x1); - dst->x2 = max(dst->x2, src[i].x2); - dst->y1 = min(dst->y1, src[i].y1); - dst->y2 = max(dst->y2, src[i].y2); - } - - if (dst->x2 > max_width || dst->y2 > max_height || - dst->x1 >= dst->x2 || dst->y1 >= dst->y2) { - DRM_DEBUG_KMS("Illegal clip: x1=%u, x2=%u, y1=%u, y2=%u\n", - dst->x1, dst->x2, dst->y1, dst->y2); - dst->x1 = 0; - dst->y1 = 0; - dst->x2 = max_width; - dst->y2 = max_height; - } - - return (dst->x2 - dst->x1) == max_width && - (dst->y2 - dst->y1) == max_height; -} -EXPORT_SYMBOL(tinydrm_merge_clips); - -int tinydrm_fb_dirty(struct drm_framebuffer *fb, - struct drm_file *file_priv, - unsigned int flags, unsigned int color, - struct drm_clip_rect *clips, - unsigned int num_clips) -{ - struct tinydrm_device *tdev = fb->dev->dev_private; - struct drm_plane *plane = &tdev->pipe.plane; - int ret = 0; - - drm_modeset_lock(&plane->mutex, NULL); - - /* fbdev can flush even when we're not interested */ - if (plane->state->fb == fb) { - mutex_lock(&tdev->dirty_lock); - ret = tdev->fb_dirty(fb, file_priv, flags, - color, clips, num_clips); - mutex_unlock(&tdev->dirty_lock); - } - - drm_modeset_unlock(&plane->mutex); - - if (ret) - dev_err_once(fb->dev->dev, - "Failed to update display %d\n", ret); - - return ret; -} -EXPORT_SYMBOL(tinydrm_fb_dirty); - -/** * tinydrm_memcpy - Copy clip buffer * @dst: Destination buffer * @vaddr: Source buffer @@ -122,7 +34,7 @@ EXPORT_SYMBOL(tinydrm_fb_dirty); * @clip: Clip rectangle area to copy */ void tinydrm_memcpy(void *dst, void *vaddr, struct drm_framebuffer *fb, - struct drm_clip_rect *clip) + struct drm_rect *clip) { unsigned int cpp = drm_format_plane_cpp(fb->format->format, 0); unsigned int pitch = fb->pitches[0]; @@ -146,7 +58,7 @@ EXPORT_SYMBOL(tinydrm_memcpy); * @clip: Clip rectangle area to copy */ void tinydrm_swab16(u16 *dst, void *vaddr, struct drm_framebuffer *fb, - struct drm_clip_rect *clip) + struct drm_rect *clip) { size_t len = (clip->x2 - clip->x1) * sizeof(u16); unsigned int x, y; @@ -186,7 +98,7 @@ EXPORT_SYMBOL(tinydrm_swab16); */ void tinydrm_xrgb8888_to_rgb565(u16 *dst, void *vaddr, struct drm_framebuffer *fb, - struct drm_clip_rect *clip, bool swap) + struct drm_rect *clip, bool swap) { size_t len = (clip->x2 - clip->x1) * sizeof(u32); unsigned int x, y; @@ -235,7 +147,7 @@ EXPORT_SYMBOL(tinydrm_xrgb8888_to_rgb565); * ITU BT.601 is used for the RGB -> luma (brightness) conversion. */ void tinydrm_xrgb8888_to_gray8(u8 *dst, void *vaddr, struct drm_framebuffer *fb, - struct drm_clip_rect *clip) + struct drm_rect *clip) { unsigned int len = (clip->x2 - clip->x1) * sizeof(u32); unsigned int x, y; diff --git a/drivers/gpu/drm/tinydrm/core/tinydrm-pipe.c b/drivers/gpu/drm/tinydrm/core/tinydrm-pipe.c index eacfc0ec8ff1..bb5b1c1e21ba 100644 --- a/drivers/gpu/drm/tinydrm/core/tinydrm-pipe.c +++ b/drivers/gpu/drm/tinydrm/core/tinydrm-pipe.c @@ -8,9 +8,11 @@ */ #include <drm/drm_atomic_helper.h> -#include <drm/drm_crtc_helper.h> +#include <drm/drm_drv.h> #include <drm/drm_gem_framebuffer_helper.h> #include <drm/drm_modes.h> +#include <drm/drm_probe_helper.h> +#include <drm/drm_print.h> #include <drm/tinydrm/tinydrm.h> struct tinydrm_connector { @@ -108,36 +110,6 @@ tinydrm_connector_create(struct drm_device *drm, return connector; } -/** - * tinydrm_display_pipe_update - Display pipe update helper - * @pipe: Simple display pipe - * @old_state: Old plane state - * - * This function does a full framebuffer flush if the plane framebuffer - * has changed. It also handles vblank events. Drivers can use this as their - * &drm_simple_display_pipe_funcs->update callback. - */ -void tinydrm_display_pipe_update(struct drm_simple_display_pipe *pipe, - struct drm_plane_state *old_state) -{ - struct tinydrm_device *tdev = pipe_to_tinydrm(pipe); - struct drm_framebuffer *fb = pipe->plane.state->fb; - struct drm_crtc *crtc = &tdev->pipe.crtc; - - if (fb && (fb != old_state->fb)) { - if (tdev->fb_dirty) - tdev->fb_dirty(fb, NULL, 0, 0, NULL, 0); - } - - if (crtc->state->event) { - spin_lock_irq(&crtc->dev->event_lock); - drm_crtc_send_vblank_event(crtc, crtc->state->event); - spin_unlock_irq(&crtc->dev->event_lock); - crtc->state->event = NULL; - } -} -EXPORT_SYMBOL(tinydrm_display_pipe_update); - static int tinydrm_rotate_mode(struct drm_display_mode *mode, unsigned int rotation) { |