#include <linux/spi/spi.h>
#include <video/mipi_display.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/mipi-dbi.h>
#include <drm/tinydrm/tinydrm-helpers.h>
static void st7586_xrgb8888_to_gray332(u8 *dst, void *vaddr,
struct drm_framebuffer *fb,
- struct drm_clip_rect *clip)
+ struct drm_rect *clip)
{
size_t len = (clip->x2 - clip->x1) * (clip->y2 - clip->y1);
unsigned int x, y;
}
static int st7586_buf_copy(void *dst, struct drm_framebuffer *fb,
- struct drm_clip_rect *clip)
+ struct drm_rect *clip)
{
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;
return ret;
}
-static int st7586_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 void st7586_fb_dirty(struct drm_framebuffer *fb, struct drm_rect *rect)
{
struct tinydrm_device *tdev = fb->dev->dev_private;
struct mipi_dbi *mipi = mipi_dbi_from_tinydrm(tdev);
- struct drm_clip_rect clip;
int start, end;
int ret = 0;
if (!mipi->enabled)
- return 0;
-
- tinydrm_merge_clips(&clip, clips, num_clips, flags, fb->width,
- fb->height);
+ return;
/* 3 pixels per byte, so grow clip to nearest multiple of 3 */
- clip.x1 = rounddown(clip.x1, 3);
- clip.x2 = roundup(clip.x2, 3);
+ rect->x1 = rounddown(rect->x1, 3);
+ rect->x2 = roundup(rect->x2, 3);
- DRM_DEBUG("Flushing [FB:%d] x1=%u, x2=%u, y1=%u, y2=%u\n", fb->base.id,
- clip.x1, clip.x2, clip.y1, clip.y2);
+ DRM_DEBUG_KMS("Flushing [FB:%d] " DRM_RECT_FMT "\n", fb->base.id, DRM_RECT_ARG(rect));
- ret = st7586_buf_copy(mipi->tx_buf, fb, &clip);
+ ret = st7586_buf_copy(mipi->tx_buf, fb, rect);
if (ret)
- return ret;
+ goto err_msg;
/* Pixels are packed 3 per byte */
- start = clip.x1 / 3;
- end = clip.x2 / 3;
+ start = rect->x1 / 3;
+ end = rect->x2 / 3;
mipi_dbi_command(mipi, MIPI_DCS_SET_COLUMN_ADDRESS,
(start >> 8) & 0xFF, start & 0xFF,
(end >> 8) & 0xFF, (end - 1) & 0xFF);
mipi_dbi_command(mipi, MIPI_DCS_SET_PAGE_ADDRESS,
- (clip.y1 >> 8) & 0xFF, clip.y1 & 0xFF,
- (clip.y2 >> 8) & 0xFF, (clip.y2 - 1) & 0xFF);
+ (rect->y1 >> 8) & 0xFF, rect->y1 & 0xFF,
+ (rect->y2 >> 8) & 0xFF, (rect->y2 - 1) & 0xFF);
ret = mipi_dbi_command_buf(mipi, MIPI_DCS_WRITE_MEMORY_START,
(u8 *)mipi->tx_buf,
- (end - start) * (clip.y2 - clip.y1));
-
- return ret;
+ (end - start) * (rect->y2 - rect->y1));
+err_msg:
+ if (ret)
+ dev_err_once(fb->dev->dev, "Failed to update display %d\n", ret);
}
-static const struct drm_framebuffer_funcs st7586_fb_funcs = {
- .destroy = drm_gem_fb_destroy,
- .create_handle = drm_gem_fb_create_handle,
- .dirty = tinydrm_fb_dirty,
-};
+static void st7586_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))
+ st7586_fb_dirty(state->fb, &rect);
+
+ 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 void st7586_pipe_enable(struct drm_simple_display_pipe *pipe,
struct drm_crtc_state *crtc_state,
{
struct tinydrm_device *tdev = pipe_to_tinydrm(pipe);
struct mipi_dbi *mipi = mipi_dbi_from_tinydrm(tdev);
+ struct drm_framebuffer *fb = plane_state->fb;
+ struct drm_rect rect = {
+ .x1 = 0,
+ .x2 = fb->width,
+ .y1 = 0,
+ .y2 = fb->height,
+ };
int ret;
u8 addr_mode;
msleep(100);
- mipi_dbi_command(mipi, MIPI_DCS_SET_DISPLAY_ON);
+ mipi->enabled = true;
+ st7586_fb_dirty(fb, &rect);
- mipi_dbi_enable_flush(mipi, crtc_state, plane_state);
+ mipi_dbi_command(mipi, MIPI_DCS_SET_DISPLAY_ON);
}
static void st7586_pipe_disable(struct drm_simple_display_pipe *pipe)
if (!mipi->tx_buf)
return -ENOMEM;
- ret = devm_tinydrm_init(dev, tdev, &st7586_fb_funcs, driver);
+ ret = devm_tinydrm_init(dev, tdev, driver);
if (ret)
return ret;
- tdev->fb_dirty = st7586_fb_dirty;
-
ret = tinydrm_display_pipe_init(tdev, pipe_funcs,
DRM_MODE_CONNECTOR_VIRTUAL,
st7586_formats,
if (ret)
return ret;
+ drm_plane_enable_fb_damage_clips(&tdev->pipe.plane);
+
tdev->drm->mode_config.preferred_depth = 32;
mipi->rotation = rotation;
static const struct drm_simple_display_pipe_funcs st7586_pipe_funcs = {
.enable = st7586_pipe_enable,
.disable = st7586_pipe_disable,
- .update = tinydrm_display_pipe_update,
+ .update = st7586_pipe_update,
.prepare_fb = drm_gem_fb_simple_display_pipe_prepare_fb,
};
git.samba.org / sfrench / cifs-2.6.git / blobdiff