diff options
| author | Jonathan Gray <jsg@jsg.id.au> | 2021-12-30 08:00:19 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2022-01-15 01:51:13 +0300 |
| commit | 8c2d34eb53b96755b33a125c65c3e807dbe430a1 (patch) | |
| tree | 2e3c084776427abe88a6acb64226ad7e15c81f3b /drivers/gpu/drm/radeon/radeon_device.c | |
| parent | de05abe6b9d0fe08f65d744f7f75a4cba4df27ad (diff) | |
| download | linux-8c2d34eb53b96755b33a125c65c3e807dbe430a1.tar.xz | |
drm/radeon: use kernel is_power_of_2 rather than local version
Follow the amdgpu change made in
7611750784664db46d0db95631e322aeb263dde7
and replace local radeon function with is_power_of_2().
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Jonathan Gray <jsg@jsg.id.au>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_device.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_device.c | 19 |
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; |