[PATCH 1/2] drm/vmwgfx: Fix framebuffer modesetting
Thomas Hellstrom
thellstrom at vmware.com
Tue Jun 1 02:38:16 PDT 2010
From: Jakob Bornecrantz <jakob at vmware.com>
Must set SVGA_NUM_REG_GUEST_DISPLAY before setting up the display information.
Signed-off-by: Jakob Bornecrantz <jakob at vmware.com>
Signed-off-by: Thomas Hellstrom <thellstrom at vmware.com>
---
drivers/gpu/drm/vmwgfx/vmwgfx_fb.c | 22 ++++------------------
1 files changed, 4 insertions(+), 18 deletions(-)
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c b/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
index 181f472..b0866f0 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
@@ -152,20 +152,12 @@ static int vmw_fb_set_par(struct fb_info *info)
struct vmw_fb_par *par = info->par;
struct vmw_private *vmw_priv = par->vmw_priv;
+ vmw_kms_write_svga(vmw_priv, info->var.xres, info->var.yres,
+ info->fix.line_length,
+ par->bpp, par->depth);
if (vmw_priv->capabilities & SVGA_CAP_DISPLAY_TOPOLOGY) {
- vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, 0);
- vmw_write(vmw_priv, SVGA_REG_DISPLAY_IS_PRIMARY, true);
- vmw_write(vmw_priv, SVGA_REG_DISPLAY_POSITION_X, 0);
- vmw_write(vmw_priv, SVGA_REG_DISPLAY_POSITION_Y, 0);
- vmw_write(vmw_priv, SVGA_REG_DISPLAY_WIDTH, 0);
- vmw_write(vmw_priv, SVGA_REG_DISPLAY_HEIGHT, 0);
- vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, SVGA_ID_INVALID);
-
- vmw_kms_write_svga(vmw_priv, info->var.xres, info->var.yres,
- info->fix.line_length,
- par->bpp, par->depth);
-
/* TODO check if pitch and offset changes */
+ vmw_write(vmw_priv, SVGA_REG_NUM_GUEST_DISPLAYS, 1);
vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, 0);
vmw_write(vmw_priv, SVGA_REG_DISPLAY_IS_PRIMARY, true);
vmw_write(vmw_priv, SVGA_REG_DISPLAY_POSITION_X, info->var.xoffset);
@@ -173,12 +165,6 @@ static int vmw_fb_set_par(struct fb_info *info)
vmw_write(vmw_priv, SVGA_REG_DISPLAY_WIDTH, info->var.xres);
vmw_write(vmw_priv, SVGA_REG_DISPLAY_HEIGHT, info->var.yres);
vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, SVGA_ID_INVALID);
- vmw_write(vmw_priv, SVGA_REG_NUM_GUEST_DISPLAYS, 1);
- } else {
- vmw_kms_write_svga(vmw_priv, info->var.xres, info->var.yres,
- info->fix.line_length,
- par->bpp, par->depth);
-
}
/* This is really helpful since if this fails the user
--
1.6.2.5
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