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authorNeha Bhende <bhenden@vmware.com>2018-06-18 16:44:48 -0700
committerThomas Hellstrom <thellstrom@vmware.com>2018-07-06 20:15:34 +0200
commit3b4c2511c004521efa89875512b5039a04d5e2e0 (patch)
tree874b557cf63de93c6d82ad8825a73fee13671a63
parentdc75e733308c3673d88664fe5e6b9478fa6bec4d (diff)
downloadtalos-obmc-linux-3b4c2511c004521efa89875512b5039a04d5e2e0.tar.gz
talos-obmc-linux-3b4c2511c004521efa89875512b5039a04d5e2e0.zip
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>
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_drv.c17
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_drv.h1
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c3
-rw-r--r--include/uapi/drm/vmwgfx_drm.h1
4 files changed, 22 insertions, 0 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
index 1128420de2c0..f2fad88e4c54 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
@@ -258,6 +258,15 @@ MODULE_PARM_DESC(assume_16bpp, "Assume 16-bpp when filtering modes");
module_param_named(assume_16bpp, vmw_assume_16bpp, int, 0600);
+static void vmw_print_capabilities2(uint32_t capabilities2)
+{
+ DRM_INFO("Capabilities2:\n");
+ if (capabilities2 & SVGA_CAP2_GROW_OTABLE)
+ DRM_INFO(" Grow oTable.\n");
+ if (capabilities2 & SVGA_CAP2_INTRA_SURFACE_COPY)
+ DRM_INFO(" IntraSurface copy.\n");
+}
+
static void vmw_print_capabilities(uint32_t capabilities)
{
DRM_INFO("Capabilities:\n");
@@ -684,6 +693,12 @@ static int vmw_driver_load(struct drm_device *dev, unsigned long chipset)
}
dev_priv->capabilities = vmw_read(dev_priv, SVGA_REG_CAPABILITIES);
+
+ if (dev_priv->capabilities & SVGA_CAP_CAP2_REGISTER) {
+ dev_priv->capabilities2 = vmw_read(dev_priv, SVGA_REG_CAP2);
+ }
+
+
ret = vmw_dma_select_mode(dev_priv);
if (unlikely(ret != 0)) {
DRM_INFO("Restricting capabilities due to IOMMU setup.\n");
@@ -752,6 +767,8 @@ static int vmw_driver_load(struct drm_device *dev, unsigned long chipset)
}
vmw_print_capabilities(dev_priv->capabilities);
+ if (dev_priv->capabilities & SVGA_CAP_CAP2_REGISTER)
+ vmw_print_capabilities2(dev_priv->capabilities2);
ret = vmw_dma_masks(dev_priv);
if (unlikely(ret != 0))
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
index a3a0826958a1..920365c0e9ab 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
@@ -386,6 +386,7 @@ struct vmw_private {
uint32_t initial_height;
u32 *mmio_virt;
uint32_t capabilities;
+ uint32_t capabilities2;
uint32_t max_gmr_ids;
uint32_t max_gmr_pages;
uint32_t max_mob_pages;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c
index 6872c7ee8a08..ac6da0da2824 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c
@@ -56,6 +56,9 @@ int vmw_getparam_ioctl(struct drm_device *dev, void *data,
case DRM_VMW_PARAM_HW_CAPS:
param->value = dev_priv->capabilities;
break;
+ case DRM_VMW_PARAM_HW_CAPS2:
+ param->value = dev_priv->capabilities2;
+ break;
case DRM_VMW_PARAM_FIFO_CAPS:
param->value = dev_priv->fifo.capabilities;
break;
diff --git a/include/uapi/drm/vmwgfx_drm.h b/include/uapi/drm/vmwgfx_drm.h
index 57115a5fe61a..84e81b38ca18 100644
--- a/include/uapi/drm/vmwgfx_drm.h
+++ b/include/uapi/drm/vmwgfx_drm.h
@@ -95,6 +95,7 @@ extern "C" {
#define DRM_VMW_PARAM_MAX_MOB_SIZE 10
#define DRM_VMW_PARAM_SCREEN_TARGET 11
#define DRM_VMW_PARAM_DX 12
+#define DRM_VMW_PARAM_HW_CAPS2 13
/**
* enum drm_vmw_handle_type - handle type for ref ioctls
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