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path: root/drivers/gpu/drm/radeon/radeon_device.c
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Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_device.c')
-rw-r--r--drivers/gpu/drm/radeon/radeon_device.c19
1 files changed, 3 insertions, 16 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
index 4f0fbf667431..15692cb241fc 100644
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -1086,19 +1086,6 @@ static unsigned int radeon_vga_set_decode(struct pci_dev *pdev, bool state)
}
/**
- * radeon_check_pot_argument - check that argument is a power of two
- *
- * @arg: value to check
- *
- * Validates that a certain argument is a power of two (all asics).
- * Returns true if argument is valid.
- */
-static bool radeon_check_pot_argument(int arg)
-{
- return (arg & (arg - 1)) == 0;
-}
-
-/**
* radeon_gart_size_auto - Determine a sensible default GART size
* according to ASIC family.
*
@@ -1126,7 +1113,7 @@ static int radeon_gart_size_auto(enum radeon_family family)
static void radeon_check_arguments(struct radeon_device *rdev)
{
/* vramlimit must be a power of two */
- if (!radeon_check_pot_argument(radeon_vram_limit)) {
+ if (!is_power_of_2(radeon_vram_limit)) {
dev_warn(rdev->dev, "vram limit (%d) must be a power of 2\n",
radeon_vram_limit);
radeon_vram_limit = 0;
@@ -1140,7 +1127,7 @@ static void radeon_check_arguments(struct radeon_device *rdev)
dev_warn(rdev->dev, "gart size (%d) too small\n",
radeon_gart_size);
radeon_gart_size = radeon_gart_size_auto(rdev->family);
- } else if (!radeon_check_pot_argument(radeon_gart_size)) {
+ } else if (!is_power_of_2(radeon_gart_size)) {
dev_warn(rdev->dev, "gart size (%d) must be a power of 2\n",
radeon_gart_size);
radeon_gart_size = radeon_gart_size_auto(rdev->family);
@@ -1163,7 +1150,7 @@ static void radeon_check_arguments(struct radeon_device *rdev)
break;
}
- if (!radeon_check_pot_argument(radeon_vm_size)) {
+ if (!is_power_of_2(radeon_vm_size)) {
dev_warn(rdev->dev, "VM size (%d) must be a power of 2\n",
radeon_vm_size);
radeon_vm_size = 4;