drm/amdgpu/ttm: replace duplicate code with exiting function

using exiting function to replace duplicate code blocks in
amdgpu_ttm_vram_write().

Signed-off-by: Kevin Wang <kevin1.wang@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index 2e9ad6e..6e02bdd 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -2145,7 +2145,6 @@ static ssize_t amdgpu_ttm_vram_write(struct file *f, const char __user *buf,
                return -ENXIO;
 
        while (size) {
-               unsigned long flags;
                uint32_t value;
 
                if (*pos >= adev->gmc.mc_vram_size)
@@ -2155,11 +2154,7 @@ static ssize_t amdgpu_ttm_vram_write(struct file *f, const char __user *buf,
                if (r)
                        return r;
 
-               spin_lock_irqsave(&adev->mmio_idx_lock, flags);
-               WREG32_NO_KIQ(mmMM_INDEX, ((uint32_t)*pos) | 0x80000000);
-               WREG32_NO_KIQ(mmMM_INDEX_HI, *pos >> 31);
-               WREG32_NO_KIQ(mmMM_DATA, value);
-               spin_unlock_irqrestore(&adev->mmio_idx_lock, flags);
+               amdgpu_device_mm_access(adev, *pos, &value, 4, true);
 
                result += 4;
                buf += 4;