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drm/vmwgfx: Add SM4_1 flag

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

Signed-off-by: Deepak Rawat <drawat@vmware.com>
Reviewed-by: Sinclair Yeh <syeh@vmware.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
This commit is contained in:
Deepak Rawat 2018-06-20 13:52:32 -07:00 • committed by Thomas Hellstrom
parent 0d81d346a6
commit 30aeee6728
2 changed files with 17 additions and 2 deletions
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18
drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
View file

@ -916,9 +916,23 @@ static int vmw_driver_load(struct drm_device *dev, unsigned long chipset)
if (ret) if (ret)
goto out_no_fifo; 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("DX: %s\n", dev_priv->has_dx ? "yes." : "no.");
DRM_INFO("Atomic: %s\n", DRM_INFO("Atomic: %s\n", (dev->driver->driver_features & DRIVER_ATOMIC)
(dev->driver->driver_features & DRIVER_ATOMIC) ? "yes" : "no"); ? "yes." : "no.");
DRM_INFO("SM4_1: %s\n", dev_priv->has_sm4_1 ? "yes." : "no.");
snprintf(host_log, sizeof(host_log), "vmwgfx: %s-%s", snprintf(host_log, sizeof(host_log), "vmwgfx: %s-%s",
VMWGFX_REPO, VMWGFX_GIT_VERSION); VMWGFX_REPO, VMWGFX_GIT_VERSION);

1
drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
View file

@ -398,6 +398,7 @@ struct vmw_private {
spinlock_t cap_lock; spinlock_t cap_lock;
bool has_dx; bool has_dx;
bool assume_16bpp; bool assume_16bpp;
bool has_sm4_1;
/* /*
* VGA registers. * VGA registers.