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Commit 8e19a951 authored by Jakob Bornecrantz's avatar Jakob Bornecrantz Committed by Dave Airlie
Browse files

drm/vmwgfx: Correctly detect 3D 



Signed-off-by: default avatarJakob Bornecrantz <jakob@vmware.com>
Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
parent 110b20c3

drivers/gpu/drm/vmwgfx/vmwgfx_drv.c

+2 −0
Original line number Diff line number Diff line
@@ -357,6 +357,8 @@ static int vmw_driver_load(struct drm_device *dev, unsigned long chipset) 
	dev_priv->pm_nb.notifier_call = vmwgfx_pm_notifier;

	register_pm_notifier(&dev_priv->pm_nb);



	DRM_INFO("%s", vmw_fifo_have_3d(dev_priv) ? "Have 3D\n" : "No 3D\n");



	return 0;



out_no_device:

drivers/gpu/drm/vmwgfx/vmwgfx_drv.h

+1 −0
Original line number Diff line number Diff line
@@ -389,6 +389,7 @@ extern int vmw_fifo_send_fence(struct vmw_private *dev_priv, 
			       uint32_t *sequence);

extern void vmw_fifo_ping_host(struct vmw_private *dev_priv, uint32_t reason);

extern int vmw_fifo_mmap(struct file *filp, struct vm_area_struct *vma);

extern bool vmw_fifo_have_3d(struct vmw_private *dev_priv);



/**

 * TTM glue - vmwgfx_ttm_glue.c

drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c

+19 −0
Original line number Diff line number Diff line
@@ -29,6 +29,25 @@ 
#include "drmP.h"

#include "ttm/ttm_placement.h"



bool vmw_fifo_have_3d(struct vmw_private *dev_priv)

{

	__le32 __iomem *fifo_mem = dev_priv->mmio_virt;

	uint32_t fifo_min, hwversion;



	fifo_min = ioread32(fifo_mem  + SVGA_FIFO_MIN);

	if (fifo_min <= SVGA_FIFO_3D_HWVERSION * sizeof(unsigned int))

		return false;



	hwversion = ioread32(fifo_mem + SVGA_FIFO_3D_HWVERSION);

	if (hwversion == 0)

		return false;



	if (hwversion < SVGA3D_HWVERSION_WS65_B1)

		return false;



	return true;

}



int vmw_fifo_init(struct vmw_private *dev_priv, struct vmw_fifo_state *fifo)

{

	__le32 __iomem *fifo_mem = dev_priv->mmio_virt;

drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c

+1 −1
Original line number Diff line number Diff line
@@ -43,7 +43,7 @@ int vmw_getparam_ioctl(struct drm_device *dev, void *data, 
		param->value = vmw_overlay_num_free_overlays(dev_priv);

		break;

	case DRM_VMW_PARAM_3D:

		param->value = dev_priv->capabilities & SVGA_CAP_3D ? 1 : 0;

		param->value = vmw_fifo_have_3d(dev_priv) ? 1 : 0;

		break;

	case DRM_VMW_PARAM_FIFO_OFFSET:

		param->value = dev_priv->mmio_start;