openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

drm/vmwgfx: Fix compiler warning with 32-bit dma_addr_t 

When the size of dma_addr_t was 32 bits, the compiler warned
about the size of the 32 bit shift being larger than the size
of the data type.

Reported by Intel's kbuild robot.

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Sinclair Yeh <syeh@vmware.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
This commit is contained in:
Thomas Hellstrom 2015-08-04 15:34:14 +02:00
parent b9eb1a6174
commit 2e3cc8cff6
1 changed files with 5 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf.c
View File

@ -293,8 +293,12 @@ static int vmw_cmdbuf_header_submit(struct vmw_cmdbuf_header *header)
struct vmw_cmdbuf_man *man = header->man;
u32 val;
val = (header->handle >> 32);
if (sizeof(header->handle) > 4)
val = (header->handle >> 32);
else
val = 0;
vmw_write(man->dev_priv, SVGA_REG_COMMAND_HIGH, val);
val = (header->handle & 0xFFFFFFFFULL);
val |= header->cb_context & SVGA_CB_CONTEXT_MASK;
vmw_write(man->dev_priv, SVGA_REG_COMMAND_LOW, val);