diff options
Diffstat (limited to 'drivers/gpu/drm/tinydrm/repaper.c')
| -rw-r--r-- | drivers/gpu/drm/tinydrm/repaper.c | 44 |
1 files changed, 26 insertions, 18 deletions
diff --git a/drivers/gpu/drm/tinydrm/repaper.c b/drivers/gpu/drm/tinydrm/repaper.c index 54d6fe0f37ce..b037c6540cf3 100644 --- a/drivers/gpu/drm/tinydrm/repaper.c +++ b/drivers/gpu/drm/tinydrm/repaper.c @@ -26,9 +26,13 @@ #include <linux/spi/spi.h> #include <linux/thermal.h> +#include <drm/drm_damage_helper.h> +#include <drm/drm_drv.h> #include <drm/drm_fb_cma_helper.h> #include <drm/drm_gem_cma_helper.h> #include <drm/drm_gem_framebuffer_helper.h> +#include <drm/drm_rect.h> +#include <drm/drm_vblank.h> #include <drm/tinydrm/tinydrm.h> #include <drm/tinydrm/tinydrm-helpers.h> @@ -521,17 +525,13 @@ static void repaper_gray8_to_mono_reversed(u8 *buf, u32 width, u32 height) } } -static int repaper_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) +static int repaper_fb_dirty(struct drm_framebuffer *fb) { struct drm_gem_cma_object *cma_obj = drm_fb_cma_get_gem_obj(fb, 0); struct dma_buf_attachment *import_attach = cma_obj->base.import_attach; struct tinydrm_device *tdev = fb->dev->dev_private; struct repaper_epd *epd = epd_from_tinydrm(tdev); - struct drm_clip_rect clip; + struct drm_rect clip; u8 *buf = NULL; int ret = 0; @@ -624,12 +624,6 @@ out_free: return ret; } -static const struct drm_framebuffer_funcs repaper_fb_funcs = { - .destroy = drm_gem_fb_destroy, - .create_handle = drm_gem_fb_create_handle, - .dirty = tinydrm_fb_dirty, -}; - static void power_off(struct repaper_epd *epd) { /* Turn off power and all signals */ @@ -793,9 +787,7 @@ static void repaper_pipe_disable(struct drm_simple_display_pipe *pipe) DRM_DEBUG_DRIVER("\n"); - mutex_lock(&tdev->dirty_lock); epd->enabled = false; - mutex_unlock(&tdev->dirty_lock); /* Nothing frame */ for (line = 0; line < epd->height; line++) @@ -838,10 +830,28 @@ static void repaper_pipe_disable(struct drm_simple_display_pipe *pipe) power_off(epd); } +static void repaper_pipe_update(struct drm_simple_display_pipe *pipe, + struct drm_plane_state *old_state) +{ + struct drm_plane_state *state = pipe->plane.state; + struct drm_crtc *crtc = &pipe->crtc; + struct drm_rect rect; + + if (drm_atomic_helper_damage_merged(old_state, state, &rect)) + repaper_fb_dirty(state->fb); + + 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; + } +} + static const struct drm_simple_display_pipe_funcs repaper_pipe_funcs = { .enable = repaper_pipe_enable, .disable = repaper_pipe_disable, - .update = tinydrm_display_pipe_update, + .update = repaper_pipe_update, .prepare_fb = drm_gem_fb_simple_display_pipe_prepare_fb, }; @@ -1055,12 +1065,10 @@ static int repaper_probe(struct spi_device *spi) tdev = &epd->tinydrm; - ret = devm_tinydrm_init(dev, tdev, &repaper_fb_funcs, &repaper_driver); + ret = devm_tinydrm_init(dev, tdev, &repaper_driver); if (ret) return ret; - tdev->fb_dirty = repaper_fb_dirty; - ret = tinydrm_display_pipe_init(tdev, &repaper_pipe_funcs, DRM_MODE_CONNECTOR_VIRTUAL, repaper_formats, |