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drm/vmwgfx: Add CAP2 support in vmwgfx
The device exposes a new capability register. Add support for it. Signed-off-by: Neha Bhende <bhenden@vmware.com> Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com> Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
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3b4c2511c0
4 changed files with 22 additions and 0 deletions
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@ -258,6 +258,15 @@ MODULE_PARM_DESC(assume_16bpp, "Assume 16-bpp when filtering modes");
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module_param_named(assume_16bpp, vmw_assume_16bpp, int, 0600);
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static void vmw_print_capabilities2(uint32_t capabilities2)
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{
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DRM_INFO("Capabilities2:\n");
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if (capabilities2 & SVGA_CAP2_GROW_OTABLE)
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DRM_INFO(" Grow oTable.\n");
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if (capabilities2 & SVGA_CAP2_INTRA_SURFACE_COPY)
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DRM_INFO(" IntraSurface copy.\n");
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}
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static void vmw_print_capabilities(uint32_t capabilities)
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{
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DRM_INFO("Capabilities:\n");
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@ -684,6 +693,12 @@ static int vmw_driver_load(struct drm_device *dev, unsigned long chipset)
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}
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dev_priv->capabilities = vmw_read(dev_priv, SVGA_REG_CAPABILITIES);
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if (dev_priv->capabilities & SVGA_CAP_CAP2_REGISTER) {
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dev_priv->capabilities2 = vmw_read(dev_priv, SVGA_REG_CAP2);
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}
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ret = vmw_dma_select_mode(dev_priv);
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if (unlikely(ret != 0)) {
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DRM_INFO("Restricting capabilities due to IOMMU setup.\n");
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@ -752,6 +767,8 @@ static int vmw_driver_load(struct drm_device *dev, unsigned long chipset)
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}
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vmw_print_capabilities(dev_priv->capabilities);
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if (dev_priv->capabilities & SVGA_CAP_CAP2_REGISTER)
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vmw_print_capabilities2(dev_priv->capabilities2);
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ret = vmw_dma_masks(dev_priv);
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if (unlikely(ret != 0))
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@ -386,6 +386,7 @@ struct vmw_private {
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uint32_t initial_height;
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u32 *mmio_virt;
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uint32_t capabilities;
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uint32_t capabilities2;
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uint32_t max_gmr_ids;
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uint32_t max_gmr_pages;
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uint32_t max_mob_pages;
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@ -56,6 +56,9 @@ int vmw_getparam_ioctl(struct drm_device *dev, void *data,
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case DRM_VMW_PARAM_HW_CAPS:
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param->value = dev_priv->capabilities;
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break;
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case DRM_VMW_PARAM_HW_CAPS2:
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param->value = dev_priv->capabilities2;
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break;
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case DRM_VMW_PARAM_FIFO_CAPS:
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param->value = dev_priv->fifo.capabilities;
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break;
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@ -95,6 +95,7 @@ extern "C" {
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#define DRM_VMW_PARAM_MAX_MOB_SIZE 10
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#define DRM_VMW_PARAM_SCREEN_TARGET 11
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#define DRM_VMW_PARAM_DX 12
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#define DRM_VMW_PARAM_HW_CAPS2 13
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/**
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* enum drm_vmw_handle_type - handle type for ref ioctls
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