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author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-12-20 11:31:44 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-12-20 11:31:44 -0800 |
commit | 929e8d4a888cd15df486e5964c8e2021581a8a0f (patch) | |
tree | c4f7e955063590afc51d98e550517de793448eaf /drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c | |
parent | 62d7a2927f99be77cfb0ad2ef778bf12ced01193 (diff) | |
parent | 6abff3c78051e40130a1c653f874fb12b9d40254 (diff) |
Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
vmwgfx: Clip cliprects against screen boundaries in present and dirty
vmwgfx: Resend the cursor after legacy modeset
vmwgfx: Do better culling of presents
vmwgfx: Refactor kms code to use vmw_user_lookup_handle helper
vmwgfx: Add helper function to get surface or dmabuf
vmwgfx: Refactor cursor update
vmwgfx: Remove dmabuf check in present ioctl
vmwgfx: Use the revised fifo hw version register when present
Diffstat (limited to 'drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c')
-rw-r--r-- | drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c b/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c index 03bbc2a6f9a7..a0c2f12b1e1b 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c @@ -33,6 +33,7 @@ bool vmw_fifo_have_3d(struct vmw_private *dev_priv) { __le32 __iomem *fifo_mem = dev_priv->mmio_virt; uint32_t fifo_min, hwversion; + const struct vmw_fifo_state *fifo = &dev_priv->fifo; if (!(dev_priv->capabilities & SVGA_CAP_EXTENDED_FIFO)) return false; @@ -41,7 +42,12 @@ bool vmw_fifo_have_3d(struct vmw_private *dev_priv) if (fifo_min <= SVGA_FIFO_3D_HWVERSION * sizeof(unsigned int)) return false; - hwversion = ioread32(fifo_mem + SVGA_FIFO_3D_HWVERSION); + hwversion = ioread32(fifo_mem + + ((fifo->capabilities & + SVGA_FIFO_CAP_3D_HWVERSION_REVISED) ? + SVGA_FIFO_3D_HWVERSION_REVISED : + SVGA_FIFO_3D_HWVERSION)); + if (hwversion == 0) return false; |