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drm/vmwgfx: Fix framebuffer modesetting 

Must set SVGA_NUM_REG_GUEST_DISPLAY before setting up the display information.

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 2010-06-01 11:38:16 +02:00 committed by Dave Airlie
parent 7c4f77801f
commit 991b7b44f8
1 changed files with 4 additions and 18 deletions
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22
drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
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@ -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