linux-kernel - [PATCH] drm/radeon/dpm: fix non-restricted types with le16_to

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Message-Id: <1613719760-42773-1-git-send-email-yang.lee@linux.alibaba.com>
Date:   Fri, 19 Feb 2021 15:29:20 +0800
From:   Yang Li <yang.lee@...ux.alibaba.com>
To:     airlied@...ux.ie
Cc:     daniel@...ll.ch, alexander.deucher@....com,
        christian.koenig@....com, amd-gfx@...ts.freedesktop.org,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        Yang Li <yang.lee@...ux.alibaba.com>
Subject: [PATCH] drm/radeon/dpm: fix non-restricted types with le16_to_cpu()

Fix the following sparse warnings:
drivers/gpu/drm/radeon/rv6xx_dpm.c:1798:21: warning: cast to restricted
__le32
drivers/gpu/drm/radeon/rv6xx_dpm.c:1799:22: warning: cast to restricted
__le16
drivers/gpu/drm/radeon/rv6xx_dpm.c:1800:23: warning: cast to restricted
__le16

Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
Signed-off-by: Yang Li <yang.lee@...ux.alibaba.com>
---
 drivers/gpu/drm/radeon/rv6xx_dpm.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/radeon/rv6xx_dpm.c b/drivers/gpu/drm/radeon/rv6xx_dpm.c
index 69d380f..e6ab99e 100644
--- a/drivers/gpu/drm/radeon/rv6xx_dpm.c
+++ b/drivers/gpu/drm/radeon/rv6xx_dpm.c
@@ -1795,9 +1795,9 @@ static void rv6xx_parse_pplib_non_clock_info(struct radeon_device *rdev,
 					     struct radeon_ps *rps,
 					     struct _ATOM_PPLIB_NONCLOCK_INFO *non_clock_info)
 {
-	rps->caps = le32_to_cpu(non_clock_info->ulCapsAndSettings);
-	rps->class = le16_to_cpu(non_clock_info->usClassification);
-	rps->class2 = le16_to_cpu(non_clock_info->usClassification2);
+	rps->caps = le32_to_cpu((__le32 __force)non_clock_info->ulCapsAndSettings);
+	rps->class = le16_to_cpu((__le16 __force)non_clock_info->usClassification);
+	rps->class2 = le16_to_cpu((__le16 __force)non_clock_info->usClassification2);
 
 	if (r600_is_uvd_state(rps->class, rps->class2)) {
 		rps->vclk = RV6XX_DEFAULT_VCLK_FREQ;
-- 
1.8.3.1