Move pin / unpin of fb out of vbox_crtc_set_base_and_mode() so that it can
be used to implement the atomic_update drm_plane_helper_func for the primary
plane.
Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx>
---
drivers/staging/vboxvideo/vbox_drv.h | 5 +++
drivers/staging/vboxvideo/vbox_mode.c | 52 ++++++++++++++-------------
drivers/staging/vboxvideo/vbox_ttm.c | 5 ---
3 files changed, 32 insertions(+), 30 deletions(-)
diff --git a/drivers/staging/vboxvideo/vbox_drv.h b/drivers/staging/vboxvideo/vbox_drv.h
index 5034c6bd5445..6a4d3b382e79 100644
--- a/drivers/staging/vboxvideo/vbox_drv.h
+++ b/drivers/staging/vboxvideo/vbox_drv.h
@@ -220,6 +220,11 @@ static inline struct vbox_bo *vbox_bo(struct ttm_buffer_object *bo)
#define to_vbox_obj(x) container_of(x, struct vbox_gem_object, base)
+static inline u64 vbox_bo_gpu_offset(struct vbox_bo *bo)
+{
+ return bo->bo.offset;
+}
+
int vbox_dumb_create(struct drm_file *file,
struct drm_device *dev,
struct drm_mode_create_dumb *args);
diff --git a/drivers/staging/vboxvideo/vbox_mode.c b/drivers/staging/vboxvideo/vbox_mode.c
index 6d7a89524fbf..1a2416a59fe0 100644
--- a/drivers/staging/vboxvideo/vbox_mode.c
+++ b/drivers/staging/vboxvideo/vbox_mode.c
@@ -255,28 +255,18 @@ static void vbox_fb_unpin(struct drm_framebuffer *fb)
vbox_bo_unreserve(bo);
}
-static int vbox_crtc_set_base_and_mode(struct drm_crtc *crtc,
- struct drm_framebuffer *old_fb,
- struct drm_framebuffer *new_fb,
- struct drm_display_mode *mode,
- int x, int y)
+static void vbox_crtc_set_base_and_mode(struct drm_crtc *crtc,
+ struct drm_framebuffer *fb,
+ struct drm_display_mode *mode,
+ int x, int y)
{
+ struct vbox_bo *bo = gem_to_vbox_bo(to_vbox_framebuffer(fb)->obj);
struct vbox_private *vbox = crtc->dev->dev_private;
struct vbox_crtc *vbox_crtc = to_vbox_crtc(crtc);
- u64 gpu_addr;
- int ret;
-
- /* Prepare: pin the new framebuffer bo */
- ret = vbox_fb_pin(new_fb, TTM_PL_FLAG_VRAM, &gpu_addr);
- if (ret) {
- DRM_WARN("Error %d pinning new fb, out of video mem?\n", ret);
- return ret;
- }
- /* Commit: Update hardware to use the new fb */
mutex_lock(&vbox->hw_mutex);
- vbox_crtc->fb_offset = gpu_addr;
+ vbox_crtc->fb_offset = vbox_bo_gpu_offset(bo);
/* vbox_do_modeset() checks vbox->single_framebuffer so update it now */
if (mode && vbox_set_up_input_mapping(vbox)) {
@@ -299,11 +289,6 @@ static int vbox_crtc_set_base_and_mode(struct drm_crtc *crtc,
vbox->input_mapping_height);
mutex_unlock(&vbox->hw_mutex);
-
- /* Cleanup: unpin the old fb */
- vbox_fb_unpin(old_fb);
-
- return 0;
}
static int vbox_crtc_mode_set(struct drm_crtc *crtc,
@@ -311,8 +296,19 @@ static int vbox_crtc_mode_set(struct drm_crtc *crtc,
struct drm_display_mode *adjusted_mode,
int x, int y, struct drm_framebuffer *old_fb)
{
- return vbox_crtc_set_base_and_mode(crtc, old_fb, CRTC_FB(crtc),
- mode, x, y);
+ int ret;
+
+ ret = vbox_fb_pin(CRTC_FB(crtc), TTM_PL_FLAG_VRAM, NULL);
+ if (ret) {
+ DRM_WARN("Error %d pinning new fb, out of video mem?\n", ret);
+ return ret;
+ }
+
+ vbox_crtc_set_base_and_mode(crtc, CRTC_FB(crtc), mode, x, y);
+
+ vbox_fb_unpin(old_fb);
+
+ return 0;
}
static int vbox_crtc_page_flip(struct drm_crtc *crtc,
@@ -324,9 +320,15 @@ static int vbox_crtc_page_flip(struct drm_crtc *crtc,
unsigned long flags;
int rc;
- rc = vbox_crtc_set_base_and_mode(crtc, CRTC_FB(crtc), fb, NULL, 0, 0);
- if (rc)
+ rc = vbox_fb_pin(fb, TTM_PL_FLAG_VRAM, NULL);
+ if (rc) {
+ DRM_WARN("Error %d pinning new fb, out of video mem?\n", rc);
return rc;
+ }
+
+ vbox_crtc_set_base_and_mode(crtc, fb, NULL, 0, 0);
+
+ vbox_fb_unpin(CRTC_FB(crtc));
spin_lock_irqsave(&crtc->dev->event_lock, flags);
diff --git a/drivers/staging/vboxvideo/vbox_ttm.c b/drivers/staging/vboxvideo/vbox_ttm.c
index 7b8eac30faca..0e14556dcd6b 100644
--- a/drivers/staging/vboxvideo/vbox_ttm.c
+++ b/drivers/staging/vboxvideo/vbox_ttm.c
@@ -343,11 +343,6 @@ int vbox_bo_create(struct vbox_private *vbox, int size, int align,
return ret;
}
-static inline u64 vbox_bo_gpu_offset(struct vbox_bo *bo)
-{
- return bo->bo.offset;
-}
-
int vbox_bo_pin(struct vbox_bo *bo, u32 pl_flag, u64 *gpu_addr)
{
struct ttm_operation_ctx ctx = { false, false };
--
2.19.0.rc1
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