drivers/gpu/drm/amd/amdgpu/df_v4_15.c

Source file repositories/reference/linux-study-clean/drivers/gpu/drm/amd/amdgpu/df_v4_15.c

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/amd/amdgpu/df_v4_15.c
Extension
.c
Size
1714 bytes
Lines
46
Domain
Driver Families
Bucket
drivers/gpu
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

#include "amdgpu.h"
#include "df_v4_15.h"

#include "df/df_4_15_offset.h"
#include "df/df_4_15_sh_mask.h"

static void df_v4_15_hw_init(struct amdgpu_device *adev)
{
	if (adev->have_atomics_support) {
		uint32_t tmp;
		uint32_t dis_lcl_proc = (1 <<  1 |
					1 <<  2 |
					1 << 13);

		tmp = RREG32_SOC15(DF, 0, regNCSConfigurationRegister1);
		tmp |= (dis_lcl_proc << NCSConfigurationRegister1__DisIntAtomicsLclProcessing__SHIFT);
		WREG32_SOC15(DF, 0, regNCSConfigurationRegister1, tmp);
	}
}

const struct amdgpu_df_funcs df_v4_15_funcs = {
	.hw_init = df_v4_15_hw_init
};

Annotation

Implementation Notes