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drm/radeon/r600: Strip out set but unused 'tmp' variables

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Fixes the following W=1 kernel build warning(s):

 drivers/gpu/drm/radeon/r600.c: In function ‘r600_pcie_gart_tlb_flush’:
 drivers/gpu/drm/radeon/r600.c:1083:7: warning: variable ‘tmp’ set but not used [-Wunused-but-set-variable]
 drivers/gpu/drm/radeon/r600.c: At top level:
 drivers/gpu/drm/radeon/r600.c: In function ‘r600_mmio_hdp_flush’:
 drivers/gpu/drm/radeon/r600.c:4393:7: warning: variable ‘tmp’ set but not used [-Wunused-but-set-variable]

Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: "Christian König" <christian.koenig@amd.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Sumit Semwal <sumit.semwal@linaro.org>
Cc: amd-gfx@lists.freedesktop.org
Cc: dri-devel@lists.freedesktop.org
Cc: linux-media@vger.kernel.org
Cc: linaro-mm-sig@lists.linaro.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Lee Jones 2020-11-09 21:18:46 +00:00 committed by Alex Deucher
parent b439145960
commit 4b7ec10bb7
1 changed files with 2 additions and 4 deletions
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6
drivers/gpu/drm/radeon/r600.c
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@ -1080,7 +1080,6 @@ void r600_pcie_gart_tlb_flush(struct radeon_device *rdev)
if ((rdev->family >= CHIP_RV770) && (rdev->family <= CHIP_RV740) &&
!(rdev->flags & RADEON_IS_AGP)) {
void __iomem *ptr = (void *)rdev->gart.ptr;
u32 tmp;
/* r7xx hw bug. write to HDP_DEBUG1 followed by fb read
* rather than write to HDP_REG_COHERENCY_FLUSH_CNTL
@ -1088,7 +1087,7 @@ void r600_pcie_gart_tlb_flush(struct radeon_device *rdev)
* method for them.
*/
WREG32(HDP_DEBUG1, 0);
tmp = readl((void __iomem *)ptr);
readl((void __iomem *)ptr);
} else
WREG32(R_005480_HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
@ -4390,10 +4389,9 @@ void r600_mmio_hdp_flush(struct radeon_device *rdev)
if ((rdev->family >= CHIP_RV770) && (rdev->family <= CHIP_RV740) &&
rdev->vram_scratch.ptr && !(rdev->flags & RADEON_IS_AGP)) {
void __iomem *ptr = (void *)rdev->vram_scratch.ptr;
u32 tmp;
WREG32(HDP_DEBUG1, 0);
tmp = readl((void __iomem *)ptr);
readl((void __iomem *)ptr);
} else
WREG32(R_005480_HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
}