drm/amd/amdgpu: change pptable output format from ASCII to binary

Reviewed-by: Edward O'Callaghan <funfunctor@folklore1984.net>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Eric Huang <JinHuiEric.Huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
index 411965f..d4ec3cb 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
@@ -305,7 +305,7 @@ static ssize_t amdgpu_get_pp_table(struct device *dev,
        struct drm_device *ddev = dev_get_drvdata(dev);
        struct amdgpu_device *adev = ddev->dev_private;
        char *table = NULL;
-       int size, i;
+       int size;
 
        if (adev->pp_enabled)
                size = amdgpu_dpm_get_pp_table(adev, &table);
@@ -315,10 +315,7 @@ static ssize_t amdgpu_get_pp_table(struct device *dev,
        if (size >= PAGE_SIZE)
                size = PAGE_SIZE - 1;
 
-       for (i = 0; i < size; i++) {
-               sprintf(buf + i, "%02x", table[i]);
-       }
-       sprintf(buf + i, "\n");
+       memcpy(buf, table, size);
 
        return size;
 }