[PATCH 06/23] drm/amd/display: Fix for outbox1 ring buffer typecasting issue

[Solomon Chiu]

From: Meenakshikumar Somasundaram <meenakshikumar.somasundaram at amd.com>

[WHY]
Compiler warning "pointer to integer of different size" reported on
outbox1 ring buffer address typecasting.

Reported-by: kernel test robot <lkp at intel.com>

[HOW]
Fixed the issue by typecasting with character pointer.

Signed-off-by: Meenakshikumar Somasundaram <meenakshikumar.somasundaram at amd.com>
Reviewed-by: Jun Lei <Jun.Lei at amd.com>
Acked-by: Solomon Chiu <solomon.chiu at amd.com>
---
 drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c b/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c
index 1ee2000ad099..8ba0a9e2da54 100644
--- a/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c
+++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c
@@ -508,7 +508,7 @@ enum dmub_status dmub_srv_hw_init(struct dmub_srv *dmub,
 
 		// Initialize outbox1 ring buffer
 		rb_params.ctx = dmub;
-		rb_params.base_address = (void *) ((uint64_t) (mail_fb->cpu_addr) + DMUB_RB_SIZE);
+		rb_params.base_address = (void *) ((uint8_t *) (mail_fb->cpu_addr) + DMUB_RB_SIZE);
 		rb_params.capacity = DMUB_RB_SIZE;
 		dmub_rb_init(&dmub->outbox1_rb, &rb_params);
 
-- 
2.29.0