add ax88772C AX88772C_eeprom_tools

hc

2024-05-10 61598093bbdd283a7edc367d900f223070ead8d2

 kernel/drivers/gpu/drm/nouveau/nvkm/engine/disp/gv100.c
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@@ -28,7 +28,7 @@
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 #include <core/gpuobj.h>
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 #include <subdev/timer.h>
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-static int
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+int
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 gv100_disp_wndw_cnt(struct nvkm_disp *disp, unsigned long *pmask)
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 {
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 	struct nvkm_device *device = disp->engine.subdev.device;
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@@ -36,7 +36,7 @@
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 	return (nvkm_rd32(device, 0x610074) & 0x03f00000) >> 20;
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 }
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-static void
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+void
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 gv100_disp_super(struct work_struct *work)
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 {
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 	struct nv50_disp *disp =
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@@ -101,12 +101,26 @@
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 	u32 stat = nvkm_rd32(device, 0x611020 + (chid * 12));
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 	u32 type = (stat & 0x00007000) >> 12;
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 	u32 mthd = (stat & 0x00000fff) << 2;
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-	u32 data = nvkm_rd32(device, 0x611024 + (chid * 12));
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-	u32 code = nvkm_rd32(device, 0x611028 + (chid * 12));
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+	const struct nvkm_enum *reason =
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+		nvkm_enum_find(nv50_disp_intr_error_type, type);
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-	nvkm_error(subdev, "chid %d %08x [type %d mthd %04x] "
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-			   "data %08x code %08x\n",
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-		   chid, stat, type, mthd, data, code);
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+	/*TODO: Suspect 33->41 are for WRBK channel exceptions, but we
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+	 *      don't support those currently.
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+	 *
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+	 *      CORE+WIN CHIDs map directly to the FE_EXCEPT() slots.
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+	 */
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+	if (chid <= 32) {
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+		u32 data = nvkm_rd32(device, 0x611024 + (chid * 12));
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+		u32 code = nvkm_rd32(device, 0x611028 + (chid * 12));
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+		nvkm_error(subdev, "chid %d stat %08x reason %d [%s] "
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+				   "mthd %04x data %08x code %08x\n",
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+			   chid, stat, type, reason ? reason->name : "",
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+			   mthd, data, code);
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+	} else {
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+		nvkm_error(subdev, "chid %d stat %08x reason %d [%s] "
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+				   "mthd %04x\n",
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+			   chid, stat, type, reason ? reason->name : "", mthd);
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+	}
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 	if (chid < ARRAY_SIZE(disp->chan) && disp->chan[chid]) {
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 		switch (mthd) {
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@@ -140,6 +154,12 @@
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 	 */
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 	if (stat & 0x00000008)
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 		stat &= ~0x00000008;
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+
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+	if (stat & 0x00000080) {
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+		u32 error = nvkm_mask(device, 0x611848, 0x00000000, 0x00000000);
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+		nvkm_warn(subdev, "error %08x\n", error);
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+		stat &= ~0x00000080;
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+	}
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 	if (stat & 0x00000100) {
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 		unsigned long wndws = nvkm_rd32(device, 0x611858);
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@@ -257,7 +277,7 @@
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 	}
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 }
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-static void
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+void
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 gv100_disp_intr(struct nv50_disp *disp)
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 {
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 	struct nvkm_subdev *subdev = &disp->base.engine.subdev;
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@@ -297,7 +317,7 @@
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 		nvkm_warn(subdev, "intr %08x\n", stat);
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 }
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-static void
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+void
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 gv100_disp_fini(struct nv50_disp *disp)
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 {
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 	struct nvkm_device *device = disp->base.engine.subdev.device;