From fe216fb5fd5cbfcf2f0e88514529d9601ca1aaf2 Mon Sep 17 00:00:00 2001 From: Arnd Bergmann Date: Fri, 25 May 2018 17:50:09 +0200 Subject: [PATCH 5379/5725] drm/amdgpu: fix 32-bit build warning Casting a pointer to a 64-bit type causes a warning on 32-bit targets: drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.c:473:24: error: cast from pointer to integer of different size [-Werror=pointer-to-int-cast] lower_32_bits((uint64_t)wptr)); ^ drivers/gpu/drm/amd/amdgpu/amdgpu.h:1701:53: note: in definition of macro 'WREG32' #define WREG32(reg, v) amdgpu_mm_wreg(adev, (reg), (v), 0) ^ drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.c:473:10: note: in expansion of macro 'lower_32_bits' lower_32_bits((uint64_t)wptr)); ^~~~~~~~~~~~~ The correct method is to cast to 'uintptr_t'. Fixes: d5a114a6c5f7 ("drm/amdgpu: Add GFXv9 kfd2kgd interface functions") Signed-off-by: Arnd Bergmann Reviewed-by: Oded Gabbay Signed-off-by: Oded Gabbay --- drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.c index b6852a1..c47a75d 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.c @@ -532,9 +532,9 @@ static int kgd_hqd_load(struct kgd_dev *kgd, void *mqd, uint32_t pipe_id, WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_HQD_PQ_WPTR_HI), upper_32_bits(guessed_wptr)); WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_HQD_PQ_WPTR_POLL_ADDR), - lower_32_bits((uint64_t)wptr)); + lower_32_bits((uintptr_t)wptr)); WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_HQD_PQ_WPTR_POLL_ADDR_HI), - upper_32_bits((uint64_t)wptr)); + upper_32_bits((uintptr_t)wptr)); WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_PQ_WPTR_POLL_CNTL1), get_queue_mask(adev, pipe_id, queue_id)); } -- 2.7.4