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drm/vmwgfx: Use enum to represent graphics context capabilities

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Instead of having different bool in device private to represent
incremental graphics context capabilities, add a new sm type enum.

v2: Use enum instead of bit flag.

v3: Incorporated review comments.

Signed-off-by: Deepak Rawat <drawat.floss@gmail.com>
Reviewed-by: Thomas Hellström (VMware) <thomas_os@shipmail.org>
Reviewed-by: Roland Scheidegger <sroland@vmware.com>
Signed-off-by: Roland Scheidegger <sroland@vmware.com>
This commit is contained in:
Deepak Rawat
2018-12-13 11:44:42 -08:00
committed by Roland Scheidegger
parent 3d14395422
commit 878c6ecd3e
8 changed files with 69 additions and 31 deletions
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34
drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
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@@ -449,7 +449,7 @@ static int vmw_request_device(struct vmw_private *dev_priv)
dev_priv->cman = vmw_cmdbuf_man_create(dev_priv);
if (IS_ERR(dev_priv->cman)) {
dev_priv->cman = NULL;
dev_priv->has_dx = false;
dev_priv->sm_type = VMW_SM_LEGACY;
}
ret = vmw_request_device_late(dev_priv);
@@ -886,11 +886,22 @@ static int vmw_driver_load(struct drm_device *dev, unsigned long chipset)
if (dev_priv->has_mob && (dev_priv->capabilities & SVGA_CAP_DX)) {
spin_lock(&dev_priv->cap_lock);
vmw_write(dev_priv, SVGA_REG_DEV_CAP, SVGA3D_DEVCAP_DXCONTEXT);
dev_priv->has_dx = !!vmw_read(dev_priv, SVGA_REG_DEV_CAP);
if (vmw_read(dev_priv, SVGA_REG_DEV_CAP))
dev_priv->sm_type = VMW_SM_4;
spin_unlock(&dev_priv->cap_lock);
}
vmw_validation_mem_init_ttm(dev_priv, VMWGFX_VALIDATION_MEM_GRAN);
/* SVGA_CAP2_DX2 (DefineGBSurface_v3) is needed for SM4_1 support */
if (has_sm4_context(dev_priv) &&
(dev_priv->capabilities2 & SVGA_CAP2_DX2)) {
vmw_write(dev_priv, SVGA_REG_DEV_CAP, SVGA3D_DEVCAP_SM41);
if (vmw_read(dev_priv, SVGA_REG_DEV_CAP))
dev_priv->sm_type = VMW_SM_4_1;
}
ret = vmw_kms_init(dev_priv);
if (unlikely(ret != 0))
goto out_no_kms;
@@ -900,23 +911,12 @@ 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("SM4_1: %s\n", dev_priv->has_sm4_1 ? "yes." : "no.");
if (dev_priv->sm_type == VMW_SM_4_1)
DRM_INFO("SM4_1 support available.\n");
if (dev_priv->sm_type == VMW_SM_4)
DRM_INFO("SM4 support available.\n");
snprintf(host_log, sizeof(host_log), "vmwgfx: %s-%s",
VMWGFX_REPO, VMWGFX_GIT_VERSION);