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path: root/drivers/gpu/drm/i915/gvt/mmio.c
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Diffstat (limited to 'drivers/gpu/drm/i915/gvt/mmio.c')
-rw-r--r--drivers/gpu/drm/i915/gvt/mmio.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/gvt/mmio.c b/drivers/gpu/drm/i915/gvt/mmio.c
index da1135fa7cda..214eb7effa31 100644
--- a/drivers/gpu/drm/i915/gvt/mmio.c
+++ b/drivers/gpu/drm/i915/gvt/mmio.c
@@ -34,6 +34,9 @@
*/
#include <linux/vmalloc.h>
+
+#include <drm/drm_print.h>
+
#include "i915_drv.h"
#include "i915_reg.h"
#include "display/intel_display_regs.h"
@@ -49,7 +52,7 @@
* @gpa: guest physical address
*
* Returns:
- * Zero on success, negative error code if failed
+ * The MMIO offset of the given GPA
*/
int intel_vgpu_gpa_to_mmio_offset(struct intel_vgpu *vgpu, u64 gpa)
{
@@ -58,7 +61,7 @@ int intel_vgpu_gpa_to_mmio_offset(struct intel_vgpu *vgpu, u64 gpa)
}
#define reg_is_mmio(gvt, reg) \
- (reg >= 0 && reg < gvt->device_info.mmio_size)
+ (reg < gvt->device_info.mmio_size)
#define reg_is_gtt(gvt, reg) \
(reg >= gvt->device_info.gtt_start_offset \