drm/nouveau/kms/nv50-: initial overlay support

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

1 files changed, 144 insertions, 0 deletions

diff --git a/drivers/gpu/drm/nouveau/dispnv50/ovly507e.c b/drivers/gpu/drm/nouveau/dispnv50/ovly507e.c
index 732eea39e4de..cc417664f823 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/ovly507e.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/ovly507e.c
@@ -20,17 +20,149 @@
  * OTHER DEALINGS IN THE SOFTWARE.
  */
 #include "ovly.h"
+#include "atom.h"
+
+#include <drm/drm_atomic_helper.h>
+#include <drm/drm_plane_helper.h>
 
 #include <nvif/cl507e.h>
+#include <nvif/event.h>
+
+void
+ovly507e_update(struct nv50_wndw *wndw, u32 *interlock)
+{
+	u32 *push;
+	if ((push = evo_wait(&wndw->wndw, 2))) {
+		evo_mthd(push, 0x0080, 1);
+		evo_data(push, interlock[NV50_DISP_INTERLOCK_CORE]);
+		evo_kick(push, &wndw->wndw);
+	}
+}
+
+void
+ovly507e_scale_set(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
+{
+	u32 *push;
+	if ((push = evo_wait(&wndw->wndw, 4))) {
+		evo_mthd(push, 0x00e0, 3);
+		evo_data(push, asyw->scale.sy << 16 | asyw->scale.sx);
+		evo_data(push, asyw->scale.sh << 16 | asyw->scale.sw);
+		evo_data(push, asyw->scale.dw);
+		evo_kick(push, &wndw->wndw);
+	}
+}
+
+void
+ovly507e_image_clr(struct nv50_wndw *wndw)
+{
+	u32 *push;
+	if ((push = evo_wait(&wndw->wndw, 4))) {
+		evo_mthd(push, 0x0084, 1);
+		evo_data(push, 0x00000000);
+		evo_mthd(push, 0x00c0, 1);
+		evo_data(push, 0x00000000);
+		evo_kick(push, &wndw->wndw);
+	}
+}
+
+static void
+ovly507e_image_set(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
+{
+	u32 *push;
+	if ((push = evo_wait(&wndw->wndw, 12))) {
+		evo_mthd(push, 0x0084, 1);
+		evo_data(push, asyw->image.interval << 4);
+		evo_mthd(push, 0x00c0, 1);
+		evo_data(push, asyw->image.handle[0]);
+		evo_mthd(push, 0x0100, 1);
+		evo_data(push, 0x00000002);
+		evo_mthd(push, 0x0800, 1);
+		evo_data(push, asyw->image.offset[0] >> 8);
+		evo_mthd(push, 0x0808, 3);
+		evo_data(push, asyw->image.h << 16 | asyw->image.w);
+		evo_data(push, asyw->image.layout << 20 |
+			       (asyw->image.pitch[0] >> 8) << 8 |
+			       asyw->image.blocks[0] << 8 |
+			       asyw->image.blockh);
+		evo_data(push, asyw->image.kind << 16 |
+			       asyw->image.format << 8 |
+			       asyw->image.colorspace);
+		evo_kick(push, &wndw->wndw);
+	}
+}
+
+void
+ovly507e_ntfy_clr(struct nv50_wndw *wndw)
+{
+	u32 *push;
+	if ((push = evo_wait(&wndw->wndw, 2))) {
+		evo_mthd(push, 0x00a4, 1);
+		evo_data(push, 0x00000000);
+		evo_kick(push, &wndw->wndw);
+	}
+}
+
+void
+ovly507e_ntfy_set(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
+{
+	u32 *push;
+	if ((push = evo_wait(&wndw->wndw, 3))) {
+		evo_mthd(push, 0x00a0, 2);
+		evo_data(push, asyw->ntfy.awaken << 30 | asyw->ntfy.offset);
+		evo_data(push, asyw->ntfy.handle);
+		evo_kick(push, &wndw->wndw);
+	}
+}
+
+void
+ovly507e_release(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw,
+		 struct nv50_head_atom *asyh)
+{
+	asyh->ovly.cpp = 0;
+}
+
+int
+ovly507e_acquire(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw,
+		 struct nv50_head_atom *asyh)
+{
+	const struct drm_framebuffer *fb = asyw->state.fb;
+	int ret;
+
+	ret = drm_atomic_helper_check_plane_state(&asyw->state, &asyh->state,
+						  DRM_PLANE_HELPER_NO_SCALING,
+						  DRM_PLANE_HELPER_NO_SCALING,
+						  true, true);
+	if (ret)
+		return ret;
+
+	asyh->ovly.cpp = fb->format->cpp[0];
+	return 0;
+}
 
 #include "nouveau_bo.h"
 
 static const struct nv50_wndw_func
 ovly507e = {
+	.acquire = ovly507e_acquire,
+	.release = ovly507e_release,
+	.ntfy_set = ovly507e_ntfy_set,
+	.ntfy_clr = ovly507e_ntfy_clr,
+	.ntfy_reset = base507c_ntfy_reset,
+	.ntfy_wait_begun = base507c_ntfy_wait_begun,
+	.image_set = ovly507e_image_set,
+	.image_clr = ovly507e_image_clr,
+	.scale_set = ovly507e_scale_set,
+	.update = ovly507e_update,
 };
 
 static const u32
 ovly507e_format[] = {
+	DRM_FORMAT_YUYV,
+	DRM_FORMAT_UYVY,
+	DRM_FORMAT_XRGB8888,
+	DRM_FORMAT_ARGB8888,
+	DRM_FORMAT_XRGB1555,
+	DRM_FORMAT_ARGB1555,
 	0
 };
 
@@ -61,6 +193,18 @@ ovly507e_new_(const struct nv50_wndw_func *func, const u32 *format,
 		return ret;
 	}
 
+	ret = nvif_notify_init(&wndw->wndw.base.user, wndw->notify.func, false,
+			       NV50_DISP_OVERLAY_CHANNEL_DMA_V0_NTFY_UEVENT,
+			       &(struct nvif_notify_uevent_req) {},
+			       sizeof(struct nvif_notify_uevent_req),
+			       sizeof(struct nvif_notify_uevent_rep),
+			       &wndw->notify);
+	if (ret)
+		return ret;
+
+	wndw->ntfy = NV50_DISP_OVLY_NTFY(wndw->id);
+	wndw->sema = NV50_DISP_OVLY_SEM0(wndw->id);
+	wndw->data = 0x00000000;
 	return 0;
 }