drivers/gpu/drm/nouveau/dispnv50/base507c.c

Source file repositories/reference/linux-study-clean/drivers/gpu/drm/nouveau/dispnv50/base507c.c

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/nouveau/dispnv50/base507c.c
Extension
.c
Size
9278 bytes
Lines
341
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 "base.h"

#include <nvif/if0014.h>
#include <nvif/push507c.h>
#include <nvif/timer.h>

#include <nvhw/class/cl507c.h>

#include <drm/drm_atomic_helper.h>
#include <drm/drm_fourcc.h>

#include "nouveau_bo.h"

int
base507c_update(struct nv50_wndw *wndw, u32 *interlock)
{
	struct nvif_push *push = &wndw->wndw.push;
	int ret;

	if ((ret = PUSH_WAIT(push, 2)))
		return ret;

	PUSH_MTHD(push, NV507C, UPDATE, interlock[NV50_DISP_INTERLOCK_CORE]);
	return PUSH_KICK(push);
}

int
base507c_image_clr(struct nv50_wndw *wndw)
{
	struct nvif_push *push = &wndw->wndw.push;
	int ret;

	if ((ret = PUSH_WAIT(push, 4)))
		return ret;

	PUSH_MTHD(push, NV507C, SET_PRESENT_CONTROL,
		  NVDEF(NV507C, SET_PRESENT_CONTROL, BEGIN_MODE, NON_TEARING) |
		  NVVAL(NV507C, SET_PRESENT_CONTROL, MIN_PRESENT_INTERVAL, 0));

	PUSH_MTHD(push, NV507C, SET_CONTEXT_DMA_ISO, 0x00000000);
	return 0;
}

static int
base507c_image_set(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
{
	struct nvif_push *push = &wndw->wndw.push;
	int ret;

	if ((ret = PUSH_WAIT(push, 13)))
		return ret;

	PUSH_MTHD(push, NV507C, SET_PRESENT_CONTROL,
		  NVVAL(NV507C, SET_PRESENT_CONTROL, BEGIN_MODE, asyw->image.mode) |
		  NVVAL(NV507C, SET_PRESENT_CONTROL, MIN_PRESENT_INTERVAL, asyw->image.interval));

	PUSH_MTHD(push, NV507C, SET_CONTEXT_DMA_ISO, asyw->image.handle[0]);

	if (asyw->image.format == NV507C_SURFACE_SET_PARAMS_FORMAT_RF16_GF16_BF16_AF16) {
		PUSH_MTHD(push, NV507C, SET_PROCESSING,
			  NVDEF(NV507C, SET_PROCESSING, USE_GAIN_OFS, ENABLE),

					SET_CONVERSION,
			  NVVAL(NV507C, SET_CONVERSION, GAIN, 0) |
			  NVVAL(NV507C, SET_CONVERSION, OFS, 0x64));
	} else {
		PUSH_MTHD(push, NV507C, SET_PROCESSING,
			  NVDEF(NV507C, SET_PROCESSING, USE_GAIN_OFS, DISABLE),

					SET_CONVERSION,
			  NVVAL(NV507C, SET_CONVERSION, GAIN, 0) |
			  NVVAL(NV507C, SET_CONVERSION, OFS, 0));
	}

	PUSH_MTHD(push, NV507C, SURFACE_SET_OFFSET(0, 0), asyw->image.offset[0] >> 8);

	PUSH_MTHD(push, NV507C, SURFACE_SET_SIZE(0),
		  NVVAL(NV507C, SURFACE_SET_SIZE, WIDTH, asyw->image.w) |
		  NVVAL(NV507C, SURFACE_SET_SIZE, HEIGHT, asyw->image.h),

				SURFACE_SET_STORAGE(0),
		  NVVAL(NV507C, SURFACE_SET_STORAGE, MEMORY_LAYOUT, asyw->image.layout) |
		  NVVAL(NV507C, SURFACE_SET_STORAGE, PITCH, asyw->image.pitch[0] >> 8) |
		  NVVAL(NV507C, SURFACE_SET_STORAGE, PITCH, asyw->image.blocks[0]) |
		  NVVAL(NV507C, SURFACE_SET_STORAGE, BLOCK_HEIGHT, asyw->image.blockh),

				SURFACE_SET_PARAMS(0),
		  NVVAL(NV507C, SURFACE_SET_PARAMS, FORMAT, asyw->image.format) |
		  NVDEF(NV507C, SURFACE_SET_PARAMS, SUPER_SAMPLE, X1_AA) |
		  NVDEF(NV507C, SURFACE_SET_PARAMS, GAMMA, LINEAR) |

Annotation

Implementation Notes