From: Noralf Trønnes <noralf@xxxxxxxxxxx>
In preparation for inlining synchronous flushing split out the part of
gud_flush_work() that can be shared by the sync and async code paths.
Reviewed-by: Javier Martinez Canillas <javierm@xxxxxxxxxx>
Reviewed-by: Thomas Zimmermann <tzimmermann@xxxxxxx>
Signed-off-by: Noralf Trønnes <noralf@xxxxxxxxxxx>
---
drivers/gpu/drm/gud/gud_pipe.c | 72 +++++++++++++++++++++++-------------------
1 file changed, 39 insertions(+), 33 deletions(-)
diff --git a/drivers/gpu/drm/gud/gud_pipe.c b/drivers/gpu/drm/gud/gud_pipe.c
index ff1358815af5..d2af9947494f 100644
--- a/drivers/gpu/drm/gud/gud_pipe.c
+++ b/drivers/gpu/drm/gud/gud_pipe.c
@@ -333,15 +333,49 @@ void gud_clear_damage(struct gud_device *gdrm)
gdrm->damage.y2 = 0;
}
+static void gud_flush_damage(struct gud_device *gdrm, struct drm_framebuffer *fb,
+ struct drm_rect *damage)
+{
+ const struct drm_format_info *format;
+ unsigned int i, lines;
+ size_t pitch;
+ int ret;
+
+ format = fb->format;
+ if (format->format == DRM_FORMAT_XRGB8888 && gdrm->xrgb8888_emulation_format)
+ format = gdrm->xrgb8888_emulation_format;
+
+ /* Split update if it's too big */
+ pitch = drm_format_info_min_pitch(format, 0, drm_rect_width(damage));
+ lines = drm_rect_height(damage);
+
+ if (gdrm->bulk_len < lines * pitch)
+ lines = gdrm->bulk_len / pitch;
+
+ for (i = 0; i < DIV_ROUND_UP(drm_rect_height(damage), lines); i++) {
+ struct drm_rect rect = *damage;
+
+ rect.y1 += i * lines;
+ rect.y2 = min_t(u32, rect.y1 + lines, damage->y2);
+
+ ret = gud_flush_rect(gdrm, fb, format, &rect);
+ if (ret) {
+ if (ret != -ENODEV && ret != -ECONNRESET &&
+ ret != -ESHUTDOWN && ret != -EPROTO)
+ dev_err_ratelimited(fb->dev->dev,
+ "Failed to flush framebuffer: error=%d\n", ret);
+ gdrm->prev_flush_failed = true;
+ break;
+ }
+ }
+}
+
void gud_flush_work(struct work_struct *work)
{
struct gud_device *gdrm = container_of(work, struct gud_device, work);
- const struct drm_format_info *format;
struct drm_framebuffer *fb;
struct drm_rect damage;
- unsigned int i, lines;
- int idx, ret = 0;
- size_t pitch;
+ int idx;
if (!drm_dev_enter(&gdrm->drm, &idx))
return;
@@ -356,35 +390,7 @@ void gud_flush_work(struct work_struct *work)
if (!fb)
goto out;
- format = fb->format;
- if (format->format == DRM_FORMAT_XRGB8888 && gdrm->xrgb8888_emulation_format)
- format = gdrm->xrgb8888_emulation_format;
-
- /* Split update if it's too big */
- pitch = drm_format_info_min_pitch(format, 0, drm_rect_width(&damage));
- lines = drm_rect_height(&damage);
-
- if (gdrm->bulk_len < lines * pitch)
- lines = gdrm->bulk_len / pitch;
-
- for (i = 0; i < DIV_ROUND_UP(drm_rect_height(&damage), lines); i++) {
- struct drm_rect rect = damage;
-
- rect.y1 += i * lines;
- rect.y2 = min_t(u32, rect.y1 + lines, damage.y2);
-
- ret = gud_flush_rect(gdrm, fb, format, &rect);
- if (ret) {
- if (ret != -ENODEV && ret != -ECONNRESET &&
- ret != -ESHUTDOWN && ret != -EPROTO)
- dev_err_ratelimited(fb->dev->dev,
- "Failed to flush framebuffer: error=%d\n", ret);
- gdrm->prev_flush_failed = true;
- break;
- }
-
- gdrm->prev_flush_failed = false;
- }
+ gud_flush_damage(gdrm, fb, &damage);
drm_framebuffer_put(fb);
out:
--
2.34.1
