* [PATCH] drm/amdgpu: use kernel is_power_of_2 rather than local version
@ 2017-06-21 16:44 Alex Deucher
[not found] ` <1498063478-12052-1-git-send-email-alexander.deucher-5C7GfCeVMHo@public.gmane.org>
0 siblings, 1 reply; 2+ messages in thread
From: Alex Deucher @ 2017-06-21 16:44 UTC (permalink / raw)
To: amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW; +Cc: Alex Deucher
Use the kernel provided version.
Signed-off-by: Alex Deucher <alexander.deucher@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
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https://lists.freedesktop.org/mailman/listinfo/amd-gfx
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] drm/amdgpu: use kernel is_power_of_2 rather than local version
[not found] ` <1498063478-12052-1-git-send-email-alexander.deucher-5C7GfCeVMHo@public.gmane.org>
@ 2017-06-21 17:38 ` Christian König
0 siblings, 0 replies; 2+ messages in thread
From: Christian König @ 2017-06-21 17:38 UTC (permalink / raw)
To: Alex Deucher, amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW; +Cc: Alex Deucher
Am 21.06.2017 um 18:44 schrieb Alex Deucher:
> Use the kernel provided version.
>
> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@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;
_______________________________________________
amd-gfx mailing list
amd-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/amd-gfx
^ permalink raw reply [flat|nested] 2+ messages in thread
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2017-06-21 16:44 [PATCH] drm/amdgpu: use kernel is_power_of_2 rather than local version Alex Deucher
[not found] ` <1498063478-12052-1-git-send-email-alexander.deucher-5C7GfCeVMHo@public.gmane.org>
2017-06-21 17:38 ` Christian König
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