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Commit 898a2b32 authored by Ben Skeggs's avatar Ben Skeggs
Browse files

drm/nouveau/sw: turn flip completion into an event 



Signed-off-by: default avatarBen Skeggs <bskeggs@redhat.com>
parent cd459e77

drivers/gpu/drm/nouveau/include/nvif/class.h

+2 −0
Original line number Diff line number Diff line
@@ -584,6 +584,8 @@ struct nv50_disp_overlay_v0 { 
 * software

 ******************************************************************************/



#define NVSW_NTFY_UEVENT                                                   0x00



#define NV04_NVSW_GET_REF                                                  0x00



struct nv04_nvsw_get_ref_v0 {

drivers/gpu/drm/nouveau/include/nvkm/engine/sw.h

+0 −22
Original line number Diff line number Diff line 
#ifndef __NVKM_SW_H__

#define __NVKM_SW_H__

#include <core/engctx.h>



struct nvkm_sw_chan {

	struct nvkm_engctx base;



	int (*flip)(void *);

	void *flip_data;

};



#define nvkm_sw_context_create(p,e,c,d)                               \

	nvkm_engctx_create((p), (e), (c), (p), 0, 0, 0, (d))

#define nvkm_sw_context_destroy(d)                                    \

	nvkm_engctx_destroy(&(d)->base)

#define nvkm_sw_context_init(d)                                       \

	nvkm_engctx_init(&(d)->base)

#define nvkm_sw_context_fini(d,s)                                     \

	nvkm_engctx_fini(&(d)->base, (s))



#define _nvkm_sw_context_dtor _nvkm_engctx_dtor

#define _nvkm_sw_context_init _nvkm_engctx_init

#define _nvkm_sw_context_fini _nvkm_engctx_fini



#include <core/engine.h>



struct nvkm_sw {

drivers/gpu/drm/nouveau/nouveau_chan.c

+0 −5
Original line number Diff line number Diff line
@@ -293,7 +293,6 @@ nouveau_channel_init(struct nouveau_channel *chan, u32 vram, u32 gart) 
	struct nvif_device *device = chan->device;

	struct nouveau_cli *cli = (void *)chan->user.client;

	struct nvkm_mmu *mmu = nvxx_mmu(device);

	struct nvkm_sw_chan *swch;

	struct nv_dma_v0 args = {};

	int ret, i;
@@ -382,10 +381,6 @@ nouveau_channel_init(struct nouveau_channel *chan, u32 vram, u32 gart) 
		if (ret)

			return ret;



		swch = (void *)nvxx_object(&chan->nvsw)->parent;

		swch->flip = nouveau_flip_complete;

		swch->flip_data = chan;



		ret = RING_SPACE(chan, 2);

		if (ret)

			return ret;

drivers/gpu/drm/nouveau/nouveau_display.c

+11 −4
Original line number Diff line number Diff line
@@ -358,6 +358,7 @@ int 
nouveau_display_init(struct drm_device *dev)

{

	struct nouveau_display *disp = nouveau_display(dev);

	struct nouveau_drm *drm = nouveau_drm(dev);

	struct drm_connector *connector;

	int ret;
@@ -374,6 +375,8 @@ nouveau_display_init(struct drm_device *dev) 
		nvif_notify_get(&conn->hpd);

	}



	/* enable flip completion events */

	nvif_notify_get(&drm->flip);

	return ret;

}
@@ -381,6 +384,7 @@ void 
nouveau_display_fini(struct drm_device *dev)

{

	struct nouveau_display *disp = nouveau_display(dev);

	struct nouveau_drm *drm = nouveau_drm(dev);

	struct drm_connector *connector;

	int head;
@@ -388,6 +392,9 @@ nouveau_display_fini(struct drm_device *dev) 
	for (head = 0; head < dev->mode_config.num_crtc; head++)

		drm_vblank_off(dev, head);



	/* disable flip completion events */

	nvif_notify_put(&drm->flip);



	/* disable hotplug interrupts */

	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {

		struct nouveau_connector *conn = nouveau_connector(connector);
@@ -847,10 +854,10 @@ nouveau_finish_page_flip(struct nouveau_channel *chan, 
}



int

nouveau_flip_complete(void *data)

nouveau_flip_complete(struct nvif_notify *notify)

{

	struct nouveau_channel *chan = data;

	struct nouveau_drm *drm = chan->drm;

	struct nouveau_drm *drm = container_of(notify, typeof(*drm), flip);

	struct nouveau_channel *chan = drm->channel;

	struct nouveau_page_flip_state state;



	if (!nouveau_finish_page_flip(chan, &state)) {
@@ -861,7 +868,7 @@ nouveau_flip_complete(void *data) 
		}

	}



	return 0;

	return NVIF_NOTIFY_KEEP;

}



int

drivers/gpu/drm/nouveau/nouveau_drm.c

+11 −4
Original line number Diff line number Diff line
@@ -139,6 +139,7 @@ nouveau_cli_destroy(struct nouveau_cli *cli) 
static void

nouveau_accel_fini(struct nouveau_drm *drm)

{

	nvif_notify_fini(&drm->flip);

	nouveau_channel_del(&drm->channel);

	nvif_object_fini(&drm->ntfy);

	nvkm_gpuobj_del(&drm->notify);
@@ -240,7 +241,6 @@ nouveau_accel_init(struct nouveau_drm *drm) 
	ret = nvif_object_init(&drm->channel->user, NVDRM_NVSW,

			       nouveau_abi16_swclass(drm), NULL, 0, &drm->nvsw);

	if (ret == 0) {

		struct nvkm_sw_chan *swch;

		ret = RING_SPACE(drm->channel, 2);

		if (ret == 0) {

			if (device->info.family < NV_DEVICE_INFO_V0_FERMI) {
@@ -252,9 +252,16 @@ nouveau_accel_init(struct nouveau_drm *drm) 
				OUT_RING  (drm->channel, 0x001f0000);

			}

		}

		swch = (void *)nvxx_object(&drm->nvsw)->parent;

		swch->flip = nouveau_flip_complete;

		swch->flip_data = drm->channel;



		ret = nvif_notify_init(&drm->nvsw, nouveau_flip_complete,

				       false, NVSW_NTFY_UEVENT, NULL, 0, 0,

				       &drm->flip);

		if (ret == 0)

			ret = nvif_notify_get(&drm->flip);

		if (ret) {

			nouveau_accel_fini(drm);

			return;

		}

	}



	if (ret) {