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vmwgfx: Pick up the initial size from the width and height regs 

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 2012-02-09 16:56:46 +01:00 committed by Dave Airlie
parent b5ec427e8d
commit eb4f923b1c
5 changed files with 40 additions and 10 deletions
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32
drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
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@ -38,6 +38,10 @@
#define VMWGFX_CHIP_SVGAII 0
#define VMW_FB_RESERVATION 0
#define VMW_MIN_INITIAL_WIDTH 800
#define VMW_MIN_INITIAL_HEIGHT 600
/**
* Fully encoded drm commands. Might move to vmw_drm.h
*/
@ -387,6 +391,31 @@ void vmw_3d_resource_dec(struct vmw_private *dev_priv,
BUG_ON(n3d < 0);
}
/**
* Sets the initial_[width|height] fields on the given vmw_private.
*
* It does so by reading SVGA_REG_[WIDTH|HEIGHT] regs and then
* capping the value to fb_max_[width|height] fields and the
* VMW_MIN_INITIAL_[WIDTH|HEIGHT].
*/
static void vmw_get_initial_size(struct vmw_private *dev_priv)
{
uint32_t width;
uint32_t height;
width = vmw_read(dev_priv, SVGA_REG_WIDTH);
height = vmw_read(dev_priv, SVGA_REG_HEIGHT);
width = max_t(uint32_t, width, VMW_MIN_INITIAL_WIDTH);
width = min_t(uint32_t, width, dev_priv->fb_max_width);
height = max_t(uint32_t, height, VMW_MIN_INITIAL_HEIGHT);
height = min_t(uint32_t, height, dev_priv->fb_max_height);
dev_priv->initial_width = width;
dev_priv->initial_height = height;
}
static int vmw_driver_load(struct drm_device *dev, unsigned long chipset)
{
struct vmw_private *dev_priv;
@ -441,6 +470,9 @@ static int vmw_driver_load(struct drm_device *dev, unsigned long chipset)
dev_priv->mmio_size = vmw_read(dev_priv, SVGA_REG_MEM_SIZE);
dev_priv->fb_max_width = vmw_read(dev_priv, SVGA_REG_MAX_WIDTH);
dev_priv->fb_max_height = vmw_read(dev_priv, SVGA_REG_MAX_HEIGHT);
vmw_get_initial_size(dev_priv);
if (dev_priv->capabilities & SVGA_CAP_GMR) {
dev_priv->max_gmr_descriptors =
vmw_read(dev_priv,

2
drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
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@ -203,6 +203,8 @@ struct vmw_private {
uint32_t mmio_size;
uint32_t fb_max_width;
uint32_t fb_max_height;
uint32_t initial_width;
uint32_t initial_height;
__le32 __iomem *mmio_virt;
int mmio_mtrr;
uint32_t capabilities;

8
drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
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@ -414,10 +414,6 @@ int vmw_fb_init(struct vmw_private *vmw_priv)
unsigned fb_bpp, fb_depth, fb_offset, fb_pitch, fb_size;
int ret;
/* XXX These shouldn't be hardcoded. */
initial_width = 800;
initial_height = 600;
fb_bpp = 32;
fb_depth = 24;
@ -425,8 +421,8 @@ int vmw_fb_init(struct vmw_private *vmw_priv)
fb_width = min(vmw_priv->fb_max_width, (unsigned)2048);
fb_height = min(vmw_priv->fb_max_height, (unsigned)2048);
initial_width = min(fb_width, initial_width);
initial_height = min(fb_height, initial_height);
initial_width = min(vmw_priv->initial_width, fb_width);
initial_height = min(vmw_priv->initial_height, fb_height);
fb_pitch = fb_width * fb_bpp / 8;
fb_size = fb_pitch * fb_height;

4
drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c
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@ -354,8 +354,8 @@ static int vmw_ldu_init(struct vmw_private *dev_priv, unsigned unit)
INIT_LIST_HEAD(&ldu->active);
ldu->base.pref_active = (unit == 0);
ldu->base.pref_width = 800;
ldu->base.pref_height = 600;
ldu->base.pref_width = dev_priv->initial_width;
ldu->base.pref_height = dev_priv->initial_height;
ldu->base.pref_mode = NULL;
ldu->base.is_implicit = true;

4
drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c
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@ -449,8 +449,8 @@ static int vmw_sou_init(struct vmw_private *dev_priv, unsigned unit)
sou->active_implicit = false;
sou->base.pref_active = (unit == 0);
sou->base.pref_width = 800;
sou->base.pref_height = 600;
sou->base.pref_width = dev_priv->initial_width;
sou->base.pref_height = dev_priv->initial_height;
sou->base.pref_mode = NULL;
sou->base.is_implicit = true;