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Commit 30aeee67 authored by Deepak Rawat's avatar Deepak Rawat Committed by Thomas Hellstrom
Browse files

drm/vmwgfx: Add SM4_1 flag 



A boolean flag in device private structure to specify if the device
support SM4_1.

Signed-off-by: default avatarDeepak Rawat <drawat@vmware.com>
Reviewed-by: default avatarSinclair Yeh <syeh@vmware.com>
Reviewed-by: default avatarBrian Paul <brianp@vmware.com>
Reviewed-by: default avatarThomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: default avatarThomas Hellstrom <thellstrom@vmware.com>
parent 0d81d346

drivers/gpu/drm/vmwgfx/vmwgfx_drv.c

+16 −2
Original line number Diff line number Diff line
@@ -916,9 +916,23 @@ static int vmw_driver_load(struct drm_device *dev, unsigned long chipset) 
	if (ret)

		goto out_no_fifo;



	if (dev_priv->has_dx) {

		/*

		 * SVGA_CAP2_DX2 (DefineGBSurface_v3) is needed for SM4_1

		 * support

		 */

		if ((dev_priv->capabilities2 & SVGA_CAP2_DX2) != 0) {

			vmw_write(dev_priv, SVGA_REG_DEV_CAP,

					SVGA3D_DEVCAP_SM41);

			dev_priv->has_sm4_1 = vmw_read(dev_priv,

							SVGA_REG_DEV_CAP);

		}

	}



	DRM_INFO("DX: %s\n", dev_priv->has_dx ? "yes." : "no.");

	DRM_INFO("Atomic: %s\n",

		 (dev->driver->driver_features & DRIVER_ATOMIC) ? "yes" : "no");

	DRM_INFO("Atomic: %s\n", (dev->driver->driver_features & DRIVER_ATOMIC)

		 ? "yes." : "no.");

	DRM_INFO("SM4_1: %s\n", dev_priv->has_sm4_1 ? "yes." : "no.");



	snprintf(host_log, sizeof(host_log), "vmwgfx: %s-%s",

		VMWGFX_REPO, VMWGFX_GIT_VERSION);

drivers/gpu/drm/vmwgfx/vmwgfx_drv.h

+1 −0
Original line number Diff line number Diff line
@@ -398,6 +398,7 @@ struct vmw_private { 
	spinlock_t cap_lock;

	bool has_dx;

	bool assume_16bpp;

	bool has_sm4_1;



	/*

	 * VGA registers.