Use the kernel provided version.
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 19 +++----------------
1 file changed, 3 insertions(+), 16 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 6c64551..b6efda1 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -1032,19 +1032,6 @@ static unsigned int amdgpu_vga_set_decode(void *cookie, bool state)
return VGA_RSRC_NORMAL_IO | VGA_RSRC_NORMAL_MEM;
}
-/**
- * amdgpu_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 amdgpu_check_pot_argument(int arg)
-{
- return (arg & (arg - 1)) == 0;
-}
-
static void amdgpu_check_block_size(struct amdgpu_device *adev)
{
/* defines number of bits in page table versus page directory,
@@ -1078,7 +1065,7 @@ static void amdgpu_check_vm_size(struct amdgpu_device *adev)
if (amdgpu_vm_size == -1)
return;
- if (!amdgpu_check_pot_argument(amdgpu_vm_size)) {
+ if (!is_power_of_2(amdgpu_vm_size)) {
dev_warn(adev->dev, "VM size (%d) must be a power of 2\n",
amdgpu_vm_size);
goto def_value;
@@ -1119,7 +1106,7 @@ static void amdgpu_check_arguments(struct amdgpu_device *adev)
dev_warn(adev->dev, "sched jobs (%d) must be at least 4\n",
amdgpu_sched_jobs);
amdgpu_sched_jobs = 4;
- } else if (!amdgpu_check_pot_argument(amdgpu_sched_jobs)){
+ } else if (!is_power_of_2(amdgpu_sched_jobs)){
dev_warn(adev->dev, "sched jobs (%d) must be a power of 2\n",
amdgpu_sched_jobs);
amdgpu_sched_jobs = roundup_pow_of_two(amdgpu_sched_jobs);
@@ -1139,7 +1126,7 @@ static void amdgpu_check_arguments(struct amdgpu_device *adev)
amdgpu_check_block_size(adev);
if (amdgpu_vram_page_split != -1 && (amdgpu_vram_page_split < 16 ||
- !amdgpu_check_pot_argument(amdgpu_vram_page_split))) {
+ !is_power_of_2(amdgpu_vram_page_split))) {
dev_warn(adev->dev, "invalid VRAM page split (%d)\n",
amdgpu_vram_page_split);
amdgpu_vram_page_split = 1024;
--
2.5.5
