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Commit 11e6a09f authored by Jakob Bornecrantz's avatar Jakob Bornecrantz Committed by Thomas Hellstrom
Browse files

drm/vmwgfx: Add max surface memory param 



Userspace uses this to workaround overcommit issues
by flushing the command stream early.

Signed-off-by: default avatarJakob Bornecrantz <jakob@vmware.com>
Reviewed-by: default avatarThomas Hellstrom <thellstrom@vmware.com>
parent 9255ce80

drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c

+3 −0
Original line number Diff line number Diff line
@@ -68,6 +68,9 @@ int vmw_getparam_ioctl(struct drm_device *dev, void *data, 
				  SVGA_FIFO_3D_HWVERSION));

		break;

	}

	case DRM_VMW_PARAM_MAX_SURF_MEMORY:

		param->value = dev_priv->memory_size;

		break;

	default:

		DRM_ERROR("Illegal vmwgfx get param request: %d\n",

			  param->param);

include/uapi/drm/vmwgfx_drm.h

+1 −0
Original line number Diff line number Diff line
@@ -75,6 +75,7 @@ 
#define DRM_VMW_PARAM_FIFO_CAPS        4

#define DRM_VMW_PARAM_MAX_FB_SIZE      5

#define DRM_VMW_PARAM_FIFO_HW_VERSION  6

#define DRM_VMW_PARAM_MAX_SURF_MEMORY  7



/**

 * struct drm_vmw_getparam_arg