From: Jakob Bornecrantz <jakob@xxxxxxxxxx>
Signed-off-by: Jakob Bornecrantz <jakob@xxxxxxxxxx>
Signed-off-by: Thomas Hellstrom <thellstrom@xxxxxxxxxx>
---
drivers/gpu/drm/vmwgfx/vmwgfx_kms.c | 10 +++++++++-
1 files changed, 9 insertions(+), 1 deletions(-)
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
index 39b99db..00ec619 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
@@ -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;
--
1.7.4.4
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