[PATCH 3/3] drm/vboxvideo: Replace struct vram_framebuffer with generic implemenation
Thomas Zimmermann
tzimmermann at suse.de
Fri Oct 11 13:48:08 UTC 2019
The vboxvideo driver's struct vram_framebuffer stores a DRM framebuffer
with an assiciated GEM object. This functionality is also provided by
generic code. Switch vboxvideo over.
Signed-off-by: Thomas Zimmermann <tzimmermann at suse.de>
---
drivers/gpu/drm/vboxvideo/vbox_drv.h | 14 -------
drivers/gpu/drm/vboxvideo/vbox_main.c | 60 ---------------------------
drivers/gpu/drm/vboxvideo/vbox_mode.c | 49 ++++------------------
3 files changed, 8 insertions(+), 115 deletions(-)
diff --git a/drivers/gpu/drm/vboxvideo/vbox_drv.h b/drivers/gpu/drm/vboxvideo/vbox_drv.h
index 9976554b58cb..87421903816c 100644
--- a/drivers/gpu/drm/vboxvideo/vbox_drv.h
+++ b/drivers/gpu/drm/vboxvideo/vbox_drv.h
@@ -45,11 +45,6 @@
sizeof(struct hgsmi_host_flags))
#define HOST_FLAGS_OFFSET GUEST_HEAP_USABLE_SIZE
-struct vbox_framebuffer {
- struct drm_framebuffer base;
- struct drm_gem_object *obj;
-};
-
struct vbox_private {
/* Must be first; or we must define our own release callback */
struct drm_device ddev;
@@ -132,7 +127,6 @@ struct vbox_encoder {
#define to_vbox_crtc(x) container_of(x, struct vbox_crtc, base)
#define to_vbox_connector(x) container_of(x, struct vbox_connector, base)
#define to_vbox_encoder(x) container_of(x, struct vbox_encoder, base)
-#define to_vbox_framebuffer(x) container_of(x, struct vbox_framebuffer, base)
bool vbox_check_supported(u16 id);
int vbox_hw_init(struct vbox_private *vbox);
@@ -143,17 +137,9 @@ void vbox_mode_fini(struct vbox_private *vbox);
void vbox_report_caps(struct vbox_private *vbox);
-int vbox_framebuffer_init(struct vbox_private *vbox,
- struct vbox_framebuffer *vbox_fb,
- const struct drm_mode_fb_cmd2 *mode_cmd,
- struct drm_gem_object *obj);
-
int vbox_mm_init(struct vbox_private *vbox);
void vbox_mm_fini(struct vbox_private *vbox);
-int vbox_gem_create(struct vbox_private *vbox,
- u32 size, bool iskernel, struct drm_gem_object **obj);
-
/* vbox_irq.c */
int vbox_irq_init(struct vbox_private *vbox);
void vbox_irq_fini(struct vbox_private *vbox);
diff --git a/drivers/gpu/drm/vboxvideo/vbox_main.c b/drivers/gpu/drm/vboxvideo/vbox_main.c
index ba24a9293d17..9dcab115a261 100644
--- a/drivers/gpu/drm/vboxvideo/vbox_main.c
+++ b/drivers/gpu/drm/vboxvideo/vbox_main.c
@@ -17,17 +17,6 @@
#include "vboxvideo_guest.h"
#include "vboxvideo_vbe.h"
-static void vbox_user_framebuffer_destroy(struct drm_framebuffer *fb)
-{
- struct vbox_framebuffer *vbox_fb = to_vbox_framebuffer(fb);
-
- if (vbox_fb->obj)
- drm_gem_object_put_unlocked(vbox_fb->obj);
-
- drm_framebuffer_cleanup(fb);
- kfree(fb);
-}
-
void vbox_report_caps(struct vbox_private *vbox)
{
u32 caps = VBVACAPS_DISABLE_CURSOR_INTEGRATION |
@@ -39,29 +28,6 @@ void vbox_report_caps(struct vbox_private *vbox)
hgsmi_send_caps_info(vbox->guest_pool, caps);
}
-static const struct drm_framebuffer_funcs vbox_fb_funcs = {
- .destroy = vbox_user_framebuffer_destroy,
- .dirty = drm_atomic_helper_dirtyfb,
-};
-
-int vbox_framebuffer_init(struct vbox_private *vbox,
- struct vbox_framebuffer *vbox_fb,
- const struct drm_mode_fb_cmd2 *mode_cmd,
- struct drm_gem_object *obj)
-{
- int ret;
-
- drm_helper_mode_fill_fb_struct(&vbox->ddev, &vbox_fb->base, mode_cmd);
- vbox_fb->obj = obj;
- ret = drm_framebuffer_init(&vbox->ddev, &vbox_fb->base, &vbox_fb_funcs);
- if (ret) {
- DRM_ERROR("framebuffer init failed %d\n", ret);
- return ret;
- }
-
- return 0;
-}
-
static int vbox_accel_init(struct vbox_private *vbox)
{
struct vbva_buffer *vbva;
@@ -213,29 +179,3 @@ void vbox_hw_fini(struct vbox_private *vbox)
gen_pool_destroy(vbox->guest_pool);
pci_iounmap(vbox->ddev.pdev, vbox->guest_heap);
}
-
-int vbox_gem_create(struct vbox_private *vbox,
- u32 size, bool iskernel, struct drm_gem_object **obj)
-{
- struct drm_gem_vram_object *gbo;
- int ret;
-
- *obj = NULL;
-
- size = roundup(size, PAGE_SIZE);
- if (size == 0)
- return -EINVAL;
-
- gbo = drm_gem_vram_create(&vbox->ddev, &vbox->ddev.vram_mm->bdev,
- size, 0, false);
- if (IS_ERR(gbo)) {
- ret = PTR_ERR(gbo);
- if (ret != -ERESTARTSYS)
- DRM_ERROR("failed to allocate GEM object\n");
- return ret;
- }
-
- *obj = &gbo->bo.base;
-
- return 0;
-}
diff --git a/drivers/gpu/drm/vboxvideo/vbox_mode.c b/drivers/gpu/drm/vboxvideo/vbox_mode.c
index 70754e9a087e..e09f5f38fbff 100644
--- a/drivers/gpu/drm/vboxvideo/vbox_mode.c
+++ b/drivers/gpu/drm/vboxvideo/vbox_mode.c
@@ -15,6 +15,7 @@
#include <drm/drm_atomic_helper.h>
#include <drm/drm_fb_helper.h>
#include <drm/drm_fourcc.h>
+#include <drm/drm_gem_framebuffer_helper.h>
#include <drm/drm_plane_helper.h>
#include <drm/drm_probe_helper.h>
#include <drm/drm_vblank.h>
@@ -173,8 +174,7 @@ static void vbox_crtc_set_base_and_mode(struct drm_crtc *crtc,
struct drm_framebuffer *fb,
int x, int y)
{
- struct drm_gem_vram_object *gbo =
- drm_gem_vram_of_gem(to_vbox_framebuffer(fb)->obj);
+ struct drm_gem_vram_object *gbo = drm_gem_vram_of_gem(fb->obj[0]);
struct vbox_private *vbox = crtc->dev->dev_private;
struct vbox_crtc *vbox_crtc = to_vbox_crtc(crtc);
bool needs_modeset = drm_atomic_crtc_needs_modeset(crtc->state);
@@ -344,7 +344,7 @@ static int vbox_primary_prepare_fb(struct drm_plane *plane,
if (!new_state->fb)
return 0;
- gbo = drm_gem_vram_of_gem(to_vbox_framebuffer(new_state->fb)->obj);
+ gbo = drm_gem_vram_of_gem(new_state->fb->obj[0]);
ret = drm_gem_vram_pin(gbo, DRM_GEM_VRAM_PL_FLAG_VRAM);
if (ret)
DRM_WARN("Error %d pinning new fb, out of video mem?\n", ret);
@@ -360,7 +360,7 @@ static void vbox_primary_cleanup_fb(struct drm_plane *plane,
if (!old_state->fb)
return;
- gbo = drm_gem_vram_of_gem(to_vbox_framebuffer(old_state->fb)->obj);
+ gbo = drm_gem_vram_of_gem(old_state->fb->obj[0]);
drm_gem_vram_unpin(gbo);
}
@@ -421,8 +421,7 @@ static void vbox_cursor_atomic_update(struct drm_plane *plane,
container_of(plane->dev, struct vbox_private, ddev);
struct vbox_crtc *vbox_crtc = to_vbox_crtc(plane->state->crtc);
struct drm_framebuffer *fb = plane->state->fb;
- struct drm_gem_vram_object *gbo =
- drm_gem_vram_of_gem(to_vbox_framebuffer(fb)->obj);
+ struct drm_gem_vram_object *gbo = drm_gem_vram_of_gem(fb->obj[0]);
u32 width = plane->state->crtc_w;
u32 height = plane->state->crtc_h;
size_t data_size, mask_size;
@@ -502,7 +501,7 @@ static int vbox_cursor_prepare_fb(struct drm_plane *plane,
if (!new_state->fb)
return 0;
- gbo = drm_gem_vram_of_gem(to_vbox_framebuffer(new_state->fb)->obj);
+ gbo = drm_gem_vram_of_gem(new_state->fb->obj[0]);
return drm_gem_vram_pin(gbo, DRM_GEM_VRAM_PL_FLAG_SYSTEM);
}
@@ -514,7 +513,7 @@ static void vbox_cursor_cleanup_fb(struct drm_plane *plane,
if (!plane->state->fb)
return;
- gbo = drm_gem_vram_of_gem(to_vbox_framebuffer(plane->state->fb)->obj);
+ gbo = drm_gem_vram_of_gem(plane->state->fb->obj[0]);
drm_gem_vram_unpin(gbo);
}
@@ -891,40 +890,8 @@ static int vbox_connector_init(struct drm_device *dev,
return 0;
}
-static struct drm_framebuffer *vbox_user_framebuffer_create(
- struct drm_device *dev,
- struct drm_file *filp,
- const struct drm_mode_fb_cmd2 *mode_cmd)
-{
- struct vbox_private *vbox =
- container_of(dev, struct vbox_private, ddev);
- struct drm_gem_object *obj;
- struct vbox_framebuffer *vbox_fb;
- int ret = -ENOMEM;
-
- obj = drm_gem_object_lookup(filp, mode_cmd->handles[0]);
- if (!obj)
- return ERR_PTR(-ENOENT);
-
- vbox_fb = kzalloc(sizeof(*vbox_fb), GFP_KERNEL);
- if (!vbox_fb)
- goto err_unref_obj;
-
- ret = vbox_framebuffer_init(vbox, vbox_fb, mode_cmd, obj);
- if (ret)
- goto err_free_vbox_fb;
-
- return &vbox_fb->base;
-
-err_free_vbox_fb:
- kfree(vbox_fb);
-err_unref_obj:
- drm_gem_object_put_unlocked(obj);
- return ERR_PTR(ret);
-}
-
static const struct drm_mode_config_funcs vbox_mode_funcs = {
- .fb_create = vbox_user_framebuffer_create,
+ .fb_create = drm_gem_fb_create,
.atomic_check = drm_atomic_helper_check,
.atomic_commit = drm_atomic_helper_commit,
};
--
2.23.0
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