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vmwgfx: Emulate depth 32 framebuffers

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Signed-off-by: Jakob Bornecrantz <jakob@vmware.com>
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Jakob Bornecrantz 2011-10-22 10:29:33 +02:00 committed by Dave Airlie
parent 19703058cd
commit 64fc99447f
1 changed files with 9 additions and 1 deletions
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10
drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
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@ -679,6 +679,7 @@ static int do_dmabuf_define_gmrfb(struct drm_file *file_priv,
struct vmw_private *dev_priv,
struct vmw_framebuffer *framebuffer)
{
int depth = framebuffer->base.depth;
size_t fifo_size;
int ret;
@ -687,6 +688,13 @@ static int do_dmabuf_define_gmrfb(struct drm_file *file_priv,
SVGAFifoCmdDefineGMRFB body;
} *cmd;
/* Emulate RGBA support, contrary to svga_reg.h this is not
* supported by hosts. This is only a problem if we are reading
* this value later and expecting what we uploaded back.
*/
if (depth == 32)
depth = 24;
fifo_size = sizeof(*cmd);
cmd = kmalloc(fifo_size, GFP_KERNEL);
if (unlikely(cmd == NULL)) {
@ -697,7 +705,7 @@ static int do_dmabuf_define_gmrfb(struct drm_file *file_priv,
memset(cmd, 0, fifo_size);
cmd->header = SVGA_CMD_DEFINE_GMRFB;
cmd->body.format.bitsPerPixel = framebuffer->base.bits_per_pixel;
cmd->body.format.colorDepth = framebuffer->base.depth;
cmd->body.format.colorDepth = depth;
cmd->body.format.reserved = 0;
cmd->body.bytesPerLine = framebuffer->base.pitch;
cmd->body.ptr.gmrId = framebuffer->user_handle;