[PATCH] drm/amdgpu: add declaration of function ‘drm_need_swiotlb’ in gmc10.0

[Aaron Liu]

Fixing compiling error:
drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c: In function ‘gmc_v10_0_sw_init’:
drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c:983:23: error: implicit declaration of function ‘drm_need_swiotlb’ [-Werror=implicit-function-declaration]
  983 |  adev->need_swiotlb = drm_need_swiotlb(44);

Signed-off-by: Aaron Liu <aaron.liu at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
index f8fa27b7b53b..9ae8cdaa033e 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
@@ -22,6 +22,9 @@
  */
 #include <linux/firmware.h>
 #include <linux/pci.h>
+
+#include <drm/drm_cache.h>
+
 #include "amdgpu.h"
 #include "amdgpu_atomfirmware.h"
 #include "gmc_v10_0.h"
-- 
2.37.0