From: Ville Syrjälä ville.syrjala@linux.intel.com
Not all drivers will need take all the modeset locks for dirtyfb, so push the locking down to the drivers.
Signed-off-by: Ville Syrjälä ville.syrjala@linux.intel.com Reviewed-by: Daniel Vetter daniel.vetter@ffwll.ch --- drivers/gpu/drm/drm_crtc.c | 2 -- drivers/gpu/drm/omapdrm/omap_fb.c | 4 ++++ drivers/gpu/drm/qxl/qxl_display.c | 9 ++++++++- drivers/gpu/drm/udl/udl_fb.c | 12 +++++++++--- drivers/gpu/drm/vmwgfx/vmwgfx_kms.c | 18 ++++++++++++++++-- 5 files changed, 37 insertions(+), 8 deletions(-)
diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c index d6cf77c..266a01d 100644 --- a/drivers/gpu/drm/drm_crtc.c +++ b/drivers/gpu/drm/drm_crtc.c @@ -2767,10 +2767,8 @@ int drm_mode_dirtyfb_ioctl(struct drm_device *dev, }
if (fb->funcs->dirty) { - drm_modeset_lock_all(dev); ret = fb->funcs->dirty(fb, file_priv, flags, r->color, clips, num_clips); - drm_modeset_unlock_all(dev); } else { ret = -ENOSYS; } diff --git a/drivers/gpu/drm/omapdrm/omap_fb.c b/drivers/gpu/drm/omapdrm/omap_fb.c index f2b8f06..f466c4a 100644 --- a/drivers/gpu/drm/omapdrm/omap_fb.c +++ b/drivers/gpu/drm/omapdrm/omap_fb.c @@ -123,12 +123,16 @@ static int omap_framebuffer_dirty(struct drm_framebuffer *fb, { int i;
+ drm_modeset_lock_all(fb->dev); + for (i = 0; i < num_clips; i++) { omap_framebuffer_flush(fb, clips[i].x1, clips[i].y1, clips[i].x2 - clips[i].x1, clips[i].y2 - clips[i].y1); }
+ drm_modeset_unlock_all(fb->dev); + return 0; }
diff --git a/drivers/gpu/drm/qxl/qxl_display.c b/drivers/gpu/drm/qxl/qxl_display.c index 5e827c2..b8f3bc7 100644 --- a/drivers/gpu/drm/qxl/qxl_display.c +++ b/drivers/gpu/drm/qxl/qxl_display.c @@ -399,10 +399,14 @@ static int qxl_framebuffer_surface_dirty(struct drm_framebuffer *fb, struct qxl_bo *qobj; int inc = 1;
+ drm_modeset_lock_all(fb->dev); + qobj = gem_to_qxl_bo(qxl_fb->obj); /* if we aren't primary surface ignore this */ - if (!qobj->is_primary) + if (!qobj->is_primary) { + drm_modeset_unlock_all(fb->dev); return 0; + }
if (!num_clips) { num_clips = 1; @@ -417,6 +421,9 @@ static int qxl_framebuffer_surface_dirty(struct drm_framebuffer *fb,
qxl_draw_dirty_fb(qdev, qxl_fb, qobj, flags, color, clips, num_clips, inc); + + drm_modeset_unlock_all(fb->dev); + return 0; }
diff --git a/drivers/gpu/drm/udl/udl_fb.c b/drivers/gpu/drm/udl/udl_fb.c index 97e9d61..dbadd49 100644 --- a/drivers/gpu/drm/udl/udl_fb.c +++ b/drivers/gpu/drm/udl/udl_fb.c @@ -403,15 +403,17 @@ static int udl_user_framebuffer_dirty(struct drm_framebuffer *fb, int i; int ret = 0;
+ drm_modeset_lock_all(fb->dev); + if (!ufb->active_16) - return 0; + goto unlock;
if (ufb->obj->base.import_attach) { ret = dma_buf_begin_cpu_access(ufb->obj->base.import_attach->dmabuf, 0, ufb->obj->base.size, DMA_FROM_DEVICE); if (ret) - return ret; + goto unlock; }
for (i = 0; i < num_clips; i++) { @@ -419,7 +421,7 @@ static int udl_user_framebuffer_dirty(struct drm_framebuffer *fb, clips[i].x2 - clips[i].x1, clips[i].y2 - clips[i].y1); if (ret) - break; + goto unlock; }
if (ufb->obj->base.import_attach) { @@ -427,6 +429,10 @@ static int udl_user_framebuffer_dirty(struct drm_framebuffer *fb, 0, ufb->obj->base.size, DMA_FROM_DEVICE); } + + unlock: + drm_modeset_unlock_all(fb->dev); + return ret; }
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c index ecb3d86..ab0b88f 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c @@ -608,9 +608,13 @@ int vmw_framebuffer_surface_dirty(struct drm_framebuffer *framebuffer, if (!dev_priv->sou_priv) return -EINVAL;
+ drm_modeset_lock_all(dev_priv->dev); + ret = ttm_read_lock(&vmaster->lock, true); - if (unlikely(ret != 0)) + if (unlikely(ret != 0)) { + drm_modeset_unlock_all(dev_priv->dev); return ret; + }
if (!num_clips) { num_clips = 1; @@ -628,6 +632,9 @@ int vmw_framebuffer_surface_dirty(struct drm_framebuffer *framebuffer, clips, num_clips, inc, NULL);
ttm_read_unlock(&vmaster->lock); + + drm_modeset_unlock_all(dev_priv->dev); + return 0; }
@@ -952,9 +959,13 @@ int vmw_framebuffer_dmabuf_dirty(struct drm_framebuffer *framebuffer, struct drm_clip_rect norect; int ret, increment = 1;
+ drm_modeset_lock_all(dev_priv->dev); + ret = ttm_read_lock(&vmaster->lock, true); - if (unlikely(ret != 0)) + if (unlikely(ret != 0)) { + drm_modeset_unlock_all(dev_priv->dev); return ret; + }
if (!num_clips) { num_clips = 1; @@ -978,6 +989,9 @@ int vmw_framebuffer_dmabuf_dirty(struct drm_framebuffer *framebuffer, }
ttm_read_unlock(&vmaster->lock); + + drm_modeset_unlock_all(dev_priv->dev); + return ret; }