linux-kernel - [PATCH 4/6] drm/vc4: Fix some failure to track _

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Date:	Fri, 23 Oct 2015 11:32:34 +0100
From:	Eric Anholt <eric@...olt.net>
To:	dri-devel@...ts.freedesktop.org
Cc:	linux-kernel@...r.kernel.org, David Airlie <airlied@...ux.ie>,
	Eric Anholt <eric@...olt.net>
Subject: [PATCH 4/6] drm/vc4: Fix some failure to track __iomem decorations on pointers.

Caught by the kbuild test robot.

Signed-off-by: Eric Anholt <eric@...olt.net>
---
 drivers/gpu/drm/vc4/vc4_crtc.c | 3 ++-
 drivers/gpu/drm/vc4/vc4_hvs.c  | 8 ++++----
 2 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/vc4/vc4_crtc.c b/drivers/gpu/drm/vc4/vc4_crtc.c
index a3a77dd..32c0348 100644
--- a/drivers/gpu/drm/vc4/vc4_crtc.c
+++ b/drivers/gpu/drm/vc4/vc4_crtc.c
@@ -401,7 +401,8 @@ static void vc4_crtc_atomic_flush(struct drm_crtc *crtc,
 		dlist_next++;
 
 		HVS_WRITE(SCALER_DISPLISTX(vc4_crtc->channel),
-			  (u32 *)vc4_crtc->dlist - (u32 *)vc4->hvs->dlist);
+			  (u32 __iomem *)vc4_crtc->dlist -
+			  (u32 __iomem *)vc4->hvs->dlist);
 
 		/* Make the next display list start after ours. */
 		vc4_crtc->dlist_size -= (dlist_next - vc4_crtc->dlist);
diff --git a/drivers/gpu/drm/vc4/vc4_hvs.c b/drivers/gpu/drm/vc4/vc4_hvs.c
index ab1673f..4d81d43 100644
--- a/drivers/gpu/drm/vc4/vc4_hvs.c
+++ b/drivers/gpu/drm/vc4/vc4_hvs.c
@@ -75,10 +75,10 @@ void vc4_hvs_dump_state(struct drm_device *dev)
 	for (i = 0; i < 64; i += 4) {
 		DRM_INFO("0x%08x (%s): 0x%08x 0x%08x 0x%08x 0x%08x\n",
 			 i * 4, i < HVS_BOOTLOADER_DLIST_END ? "B" : "D",
-			 ((uint32_t *)vc4->hvs->dlist)[i + 0],
-			 ((uint32_t *)vc4->hvs->dlist)[i + 1],
-			 ((uint32_t *)vc4->hvs->dlist)[i + 2],
-			 ((uint32_t *)vc4->hvs->dlist)[i + 3]);
+			 readl((u32 __iomem *)vc4->hvs->dlist + 0),
+			 readl((u32 __iomem *)vc4->hvs->dlist + 1),
+			 readl((u32 __iomem *)vc4->hvs->dlist + 2),
+			 readl((u32 __iomem *)vc4->hvs->dlist + 3));
 	}
 }
 
-- 
2.6.1

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