From 64fc99447f5dc6dcb03b4cb4395431f957951e61 Mon Sep 17 00:00:00 2001 From: Jakob Bornecrantz Date: Sat, 22 Oct 2011 10:29:33 +0200 Subject: [PATCH] vmwgfx: Emulate depth 32 framebuffers Signed-off-by: Jakob Bornecrantz Signed-off-by: Thomas Hellstrom Signed-off-by: Dave Airlie --- drivers/gpu/drm/vmwgfx/vmwgfx_kms.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c index 39b99dbde218..00ec61921f2f 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; -- 2.34.1