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drm: qxl: Don't initialize vblank support

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qxl don't have support for hardware vblanks so we can't initialize it
here, otherwise we risk getting stuck in drm_wait_one_vblank.

Signed-off-by: Gabriel Krisman Bertazi <krisman@collabora.co.uk>
Link: http://patchwork.freedesktop.org/patch/msgid/20170227204328.18761-4-krisman@collabora.co.uk
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Gabriel Krisman Bertazi 2017-02-27 17:43:17 -03:00 committed by Gerd Hoffmann
parent 715a11fabb
commit 64ca824e71
2 changed files with 1 additions and 27 deletions
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20
drivers/gpu/drm/qxl/qxl_display.c
View file

@ -293,14 +293,11 @@ static int qxl_crtc_page_flip(struct drm_crtc *crtc,
qxl_draw_dirty_fb(qdev, qfb_src, bo, 0, 0,
&norect, one_clip_rect, inc);
drm_crtc_vblank_get(crtc);
if (event) {
spin_lock_irqsave(&dev->event_lock, flags);
drm_crtc_send_vblank_event(crtc, event);
spin_unlock_irqrestore(&dev->event_lock, flags);
}
drm_crtc_vblank_put(crtc);
qxl_bo_unpin(bo);
@ -532,29 +529,12 @@ static int qxl_crtc_cursor_move(struct drm_crtc *crtc,
return 0;
}
static u32 qxl_noop_get_vblank_counter(struct drm_crtc *crtc)
{
return 0;
}
static int qxl_noop_enable_vblank(struct drm_crtc *crtc)
{
return 0;
}
static void qxl_noop_disable_vblank(struct drm_crtc *crtc)
{
}
static const struct drm_crtc_funcs qxl_crtc_funcs = {
.cursor_set2 = qxl_crtc_cursor_set2,
.cursor_move = qxl_crtc_cursor_move,
.set_config = drm_crtc_helper_set_config,
.destroy = qxl_crtc_destroy,
.page_flip = qxl_crtc_page_flip,
.get_vblank_counter = qxl_noop_get_vblank_counter,
.enable_vblank = qxl_noop_enable_vblank,
.disable_vblank = qxl_noop_disable_vblank,
};
void qxl_user_framebuffer_destroy(struct drm_framebuffer *fb)

8
drivers/gpu/drm/qxl/qxl_drv.c
View file

@ -83,13 +83,9 @@ qxl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
if (ret)
goto disable_pci;
ret = drm_vblank_init(&qdev->ddev, 1);
if (ret)
goto unload;
ret = qxl_modeset_init(qdev);
if (ret)
goto vblank_cleanup;
goto unload;
drm_kms_helper_poll_init(&qdev->ddev);
@ -102,8 +98,6 @@ qxl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
modeset_cleanup:
qxl_modeset_fini(qdev);
vblank_cleanup:
drm_vblank_cleanup(&qdev->ddev);
unload:
qxl_device_fini(qdev);
disable_pci: