drm/nv50/disp: move remaining interrupt handling into core

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

1 files changed, 0 insertions, 456 deletions

diff --git a/drivers/gpu/drm/nouveau/nv50_display.c b/drivers/gpu/drm/nouveau/nv50_display.c
index 04755561d8b..2ba057661d5 100644
--- a/drivers/gpu/drm/nouveau/nv50_display.c
+++ b/drivers/gpu/drm/nouveau/nv50_display.c
@@ -40,8 +40,6 @@
 
 #include <subdev/timer.h>
 
-static void nv50_display_bh(unsigned long);
-
 static inline int
 nv50_sor_nr(struct drm_device *dev)
 {
@@ -312,8 +310,6 @@ nv50_display_create(struct drm_device *dev)
 		}
 	}
 
-	tasklet_init(&priv->tasklet, nv50_display_bh, (unsigned long)dev);
-
 	ret = nv50_evo_create(dev);
 	if (ret) {
 		nv50_display_destroy(dev);
@@ -464,455 +460,3 @@ nv50_display_flip_next(struct drm_crtc *crtc, struct drm_framebuffer *fb,
 	dispc->sem.value++;
 	return 0;
 }
-
-static u16
-nv50_display_script_select(struct drm_device *dev, struct dcb_output *dcb,
-			   u32 mc, int pxclk)
-{
-	struct nouveau_drm *drm = nouveau_drm(dev);
-	struct nouveau_connector *nv_connector = NULL;
-	struct drm_encoder *encoder;
-	struct nvbios *bios = &drm->vbios;
-	u32 script = 0, or;
-
-	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
-		struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
-
-		if (nv_encoder->dcb != dcb)
-			continue;
-
-		nv_connector = nouveau_encoder_connector_get(nv_encoder);
-		break;
-	}
-
-	or = ffs(dcb->or) - 1;
-	switch (dcb->type) {
-	case DCB_OUTPUT_LVDS:
-		script = (mc >> 8) & 0xf;
-		if (bios->fp_no_ddc) {
-			if (bios->fp.dual_link)
-				script |= 0x0100;
-			if (bios->fp.if_is_24bit)
-				script |= 0x0200;
-		} else {
-			/* determine number of lvds links */
-			if (nv_connector && nv_connector->edid &&
-			    nv_connector->type == DCB_CONNECTOR_LVDS_SPWG) {
-				/* http://www.spwg.org */
-				if (((u8 *)nv_connector->edid)[121] == 2)
-					script |= 0x0100;
-			} else
-			if (pxclk >= bios->fp.duallink_transition_clk) {
-				script |= 0x0100;
-			}
-
-			/* determine panel depth */
-			if (script & 0x0100) {
-				if (bios->fp.strapless_is_24bit & 2)
-					script |= 0x0200;
-			} else {
-				if (bios->fp.strapless_is_24bit & 1)
-					script |= 0x0200;
-			}
-
-			if (nv_connector && nv_connector->edid &&
-			    (nv_connector->edid->revision >= 4) &&
-			    (nv_connector->edid->input & 0x70) >= 0x20)
-				script |= 0x0200;
-		}
-		break;
-	case DCB_OUTPUT_TMDS:
-		script = (mc >> 8) & 0xf;
-		if (pxclk >= 165000)
-			script |= 0x0100;
-		break;
-	case DCB_OUTPUT_DP:
-		script = (mc >> 8) & 0xf;
-		break;
-	case DCB_OUTPUT_ANALOG:
-		script = 0xff;
-		break;
-	default:
-		NV_ERROR(drm, "modeset on unsupported output type!\n");
-		break;
-	}
-
-	return script;
-}
-
-static void
-nv50_display_unk10_handler(struct drm_device *dev)
-{
-	struct nouveau_device *device = nouveau_dev(dev);
-	struct nouveau_drm *drm = nouveau_drm(dev);
-	struct nv50_display *disp = nv50_display(dev);
-	u32 unk30 = nv_rd32(device, 0x610030), mc;
-	int i, crtc, or = 0, type = DCB_OUTPUT_ANY;
-
-	NV_DEBUG(drm, "0x610030: 0x%08x\n", unk30);
-	disp->irq.dcb = NULL;
-
-	nv_wr32(device, 0x619494, nv_rd32(device, 0x619494) & ~8);
-
-	/* Determine which CRTC we're dealing with, only 1 ever will be
-	 * signalled at the same time with the current nouveau code.
-	 */
-	crtc = ffs((unk30 & 0x00000060) >> 5) - 1;
-	if (crtc < 0)
-		goto ack;
-
-	/* Nothing needs to be done for the encoder */
-	crtc = ffs((unk30 & 0x00000180) >> 7) - 1;
-	if (crtc < 0)
-		goto ack;
-
-	/* Find which encoder was connected to the CRTC */
-	for (i = 0; type == DCB_OUTPUT_ANY && i < 3; i++) {
-		mc = nv_rd32(device, NV50_PDISPLAY_DAC_MODE_CTRL_C(i));
-		NV_DEBUG(drm, "DAC-%d mc: 0x%08x\n", i, mc);
-		if (!(mc & (1 << crtc)))
-			continue;
-
-		switch ((mc & 0x00000f00) >> 8) {
-		case 0: type = DCB_OUTPUT_ANALOG; break;
-		case 1: type = DCB_OUTPUT_TV; break;
-		default:
-			NV_ERROR(drm, "invalid mc, DAC-%d: 0x%08x\n", i, mc);
-			goto ack;
-		}
-
-		or = i;
-	}
-
-	for (i = 0; type == DCB_OUTPUT_ANY && i < nv50_sor_nr(dev); i++) {
-		if (nv_device(drm->device)->chipset  < 0x90 ||
-		    nv_device(drm->device)->chipset == 0x92 ||
-		    nv_device(drm->device)->chipset == 0xa0)
-			mc = nv_rd32(device, NV50_PDISPLAY_SOR_MODE_CTRL_C(i));
-		else
-			mc = nv_rd32(device, NV90_PDISPLAY_SOR_MODE_CTRL_C(i));
-
-		NV_DEBUG(drm, "SOR-%d mc: 0x%08x\n", i, mc);
-		if (!(mc & (1 << crtc)))
-			continue;
-
-		switch ((mc & 0x00000f00) >> 8) {
-		case 0: type = DCB_OUTPUT_LVDS; break;
-		case 1: type = DCB_OUTPUT_TMDS; break;
-		case 2: type = DCB_OUTPUT_TMDS; break;
-		case 5: type = DCB_OUTPUT_TMDS; break;
-		case 8: type = DCB_OUTPUT_DP; break;
-		case 9: type = DCB_OUTPUT_DP; break;
-		default:
-			NV_ERROR(drm, "invalid mc, SOR-%d: 0x%08x\n", i, mc);
-			goto ack;
-		}
-
-		or = i;
-	}
-
-	/* There was no encoder to disable */
-	if (type == DCB_OUTPUT_ANY)
-		goto ack;
-
-	/* Disable the encoder */
-	for (i = 0; i < drm->vbios.dcb.entries; i++) {
-		struct dcb_output *dcb = &drm->vbios.dcb.entry[i];
-
-		if (dcb->type == type && (dcb->or & (1 << or))) {
-			nouveau_bios_run_display_table(dev, 0, -1, dcb, -1);
-			disp->irq.dcb = dcb;
-			goto ack;
-		}
-	}
-
-	NV_ERROR(drm, "no dcb for %d %d 0x%08x\n", or, type, mc);
-ack:
-	nv_wr32(device, NV50_PDISPLAY_INTR_1, NV50_PDISPLAY_INTR_1_CLK_UNK10);
-	nv_wr32(device, 0x610030, 0x80000000);
-}
-
-static void
-nv50_display_unk20_handler(struct drm_device *dev)
-{
-	struct nouveau_device *device = nouveau_dev(dev);
-	struct nouveau_drm *drm = nouveau_drm(dev);
-	struct nv50_display *disp = nv50_display(dev);
-	u32 unk30 = nv_rd32(device, 0x610030), tmp, pclk, script, mc = 0;
-	struct dcb_output *dcb;
-	int i, crtc, or = 0, type = DCB_OUTPUT_ANY;
-
-	NV_DEBUG(drm, "0x610030: 0x%08x\n", unk30);
-	dcb = disp->irq.dcb;
-	if (dcb) {
-		nouveau_bios_run_display_table(dev, 0, -2, dcb, -1);
-		disp->irq.dcb = NULL;
-	}
-
-	/* CRTC clock change requested? */
-	crtc = ffs((unk30 & 0x00000600) >> 9) - 1;
-	if (crtc >= 0) {
-		pclk  = nv_rd32(device, NV50_PDISPLAY_CRTC_P(crtc, CLOCK));
-		pclk &= 0x003fffff;
-		if (pclk)
-			nv50_crtc_set_clock(dev, crtc, pclk);
-
-		tmp = nv_rd32(device, NV50_PDISPLAY_CRTC_CLK_CTRL2(crtc));
-		tmp &= ~0x000000f;
-		nv_wr32(device, NV50_PDISPLAY_CRTC_CLK_CTRL2(crtc), tmp);
-	}
-
-	/* Nothing needs to be done for the encoder */
-	crtc = ffs((unk30 & 0x00000180) >> 7) - 1;
-	if (crtc < 0)
-		goto ack;
-	pclk  = nv_rd32(device, NV50_PDISPLAY_CRTC_P(crtc, CLOCK)) & 0x003fffff;
-
-	/* Find which encoder is connected to the CRTC */
-	for (i = 0; type == DCB_OUTPUT_ANY && i < 3; i++) {
-		mc = nv_rd32(device, NV50_PDISPLAY_DAC_MODE_CTRL_P(i));
-		NV_DEBUG(drm, "DAC-%d mc: 0x%08x\n", i, mc);
-		if (!(mc & (1 << crtc)))
-			continue;
-
-		switch ((mc & 0x00000f00) >> 8) {
-		case 0: type = DCB_OUTPUT_ANALOG; break;
-		case 1: type = DCB_OUTPUT_TV; break;
-		default:
-			NV_ERROR(drm, "invalid mc, DAC-%d: 0x%08x\n", i, mc);
-			goto ack;
-		}
-
-		or = i;
-	}
-
-	for (i = 0; type == DCB_OUTPUT_ANY && i < nv50_sor_nr(dev); i++) {
-		if (nv_device(drm->device)->chipset  < 0x90 ||
-		    nv_device(drm->device)->chipset == 0x92 ||
-		    nv_device(drm->device)->chipset == 0xa0)
-			mc = nv_rd32(device, NV50_PDISPLAY_SOR_MODE_CTRL_P(i));
-		else
-			mc = nv_rd32(device, NV90_PDISPLAY_SOR_MODE_CTRL_P(i));
-
-		NV_DEBUG(drm, "SOR-%d mc: 0x%08x\n", i, mc);
-		if (!(mc & (1 << crtc)))
-			continue;
-
-		switch ((mc & 0x00000f00) >> 8) {
-		case 0: type = DCB_OUTPUT_LVDS; break;
-		case 1: type = DCB_OUTPUT_TMDS; break;
-		case 2: type = DCB_OUTPUT_TMDS; break;
-		case 5: type = DCB_OUTPUT_TMDS; break;
-		case 8: type = DCB_OUTPUT_DP; break;
-		case 9: type = DCB_OUTPUT_DP; break;
-		default:
-			NV_ERROR(drm, "invalid mc, SOR-%d: 0x%08x\n", i, mc);
-			goto ack;
-		}
-
-		or = i;
-	}
-
-	if (type == DCB_OUTPUT_ANY)
-		goto ack;
-
-	/* Enable the encoder */
-	for (i = 0; i < drm->vbios.dcb.entries; i++) {
-		dcb = &drm->vbios.dcb.entry[i];
-		if (dcb->type == type && (dcb->or & (1 << or)))
-			break;
-	}
-
-	if (i == drm->vbios.dcb.entries) {
-		NV_ERROR(drm, "no dcb for %d %d 0x%08x\n", or, type, mc);
-		goto ack;
-	}
-
-	script = nv50_display_script_select(dev, dcb, mc, pclk);
-	nouveau_bios_run_display_table(dev, script, pclk, dcb, -1);
-
-	if (type == DCB_OUTPUT_DP) {
-		int link = !(dcb->dpconf.sor.link & 1);
-		if ((mc & 0x000f0000) == 0x00020000)
-			nv50_sor_dp_calc_tu(dev, or, link, pclk, 18);
-		else
-			nv50_sor_dp_calc_tu(dev, or, link, pclk, 24);
-	}
-
-	if (dcb->type != DCB_OUTPUT_ANALOG) {
-		tmp = nv_rd32(device, NV50_PDISPLAY_SOR_CLK_CTRL2(or));
-		tmp &= ~0x00000f0f;
-		if (script & 0x0100)
-			tmp |= 0x00000101;
-		nv_wr32(device, NV50_PDISPLAY_SOR_CLK_CTRL2(or), tmp);
-	} else {
-		nv_wr32(device, NV50_PDISPLAY_DAC_CLK_CTRL2(or), 0);
-	}
-
-	disp->irq.dcb = dcb;
-	disp->irq.pclk = pclk;
-	disp->irq.script = script;
-
-ack:
-	nv_wr32(device, NV50_PDISPLAY_INTR_1, NV50_PDISPLAY_INTR_1_CLK_UNK20);
-	nv_wr32(device, 0x610030, 0x80000000);
-}
-
-/* If programming a TMDS output on a SOR that can also be configured for
- * DisplayPort, make sure NV50_SOR_DP_CTRL_ENABLE is forced off.
- *
- * It looks like the VBIOS TMDS scripts make an attempt at this, however,
- * the VBIOS scripts on at least one board I have only switch it off on
- * link 0, causing a blank display if the output has previously been
- * programmed for DisplayPort.
- */
-static void
-nv50_display_unk40_dp_set_tmds(struct drm_device *dev, struct dcb_output *dcb)
-{
-	struct nouveau_device *device = nouveau_dev(dev);
-	int or = ffs(dcb->or) - 1, link = !(dcb->dpconf.sor.link & 1);
-	struct drm_encoder *encoder;
-	u32 tmp;
-
-	if (dcb->type != DCB_OUTPUT_TMDS)
-		return;
-
-	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
-		struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
-
-		if (nv_encoder->dcb->type == DCB_OUTPUT_DP &&
-		    nv_encoder->dcb->or & (1 << or)) {
-			tmp  = nv_rd32(device, NV50_SOR_DP_CTRL(or, link));
-			tmp &= ~NV50_SOR_DP_CTRL_ENABLED;
-			nv_wr32(device, NV50_SOR_DP_CTRL(or, link), tmp);
-			break;
-		}
-	}
-}
-
-static void
-nv50_display_unk40_handler(struct drm_device *dev)
-{
-	struct nouveau_device *device = nouveau_dev(dev);
-	struct nouveau_drm *drm = nouveau_drm(dev);
-	struct nv50_display *disp = nv50_display(dev);
-	struct dcb_output *dcb = disp->irq.dcb;
-	u16 script = disp->irq.script;
-	u32 unk30 = nv_rd32(device, 0x610030), pclk = disp->irq.pclk;
-
-	NV_DEBUG(drm, "0x610030: 0x%08x\n", unk30);
-	disp->irq.dcb = NULL;
-	if (!dcb)
-		goto ack;
-
-	nouveau_bios_run_display_table(dev, script, -pclk, dcb, -1);
-	nv50_display_unk40_dp_set_tmds(dev, dcb);
-
-ack:
-	nv_wr32(device, NV50_PDISPLAY_INTR_1, NV50_PDISPLAY_INTR_1_CLK_UNK40);
-	nv_wr32(device, 0x610030, 0x80000000);
-	nv_wr32(device, 0x619494, nv_rd32(device, 0x619494) | 8);
-}
-
-static void
-nv50_display_bh(unsigned long data)
-{
-	struct drm_device *dev = (struct drm_device *)data;
-	struct nouveau_device *device = nouveau_dev(dev);
-	struct nouveau_drm *drm = nouveau_drm(dev);
-
-	for (;;) {
-		uint32_t intr0 = nv_rd32(device, NV50_PDISPLAY_INTR_0);
-		uint32_t intr1 = nv_rd32(device, NV50_PDISPLAY_INTR_1);
-
-		NV_DEBUG(drm, "PDISPLAY_INTR_BH 0x%08x 0x%08x\n", intr0, intr1);
-
-		if (intr1 & NV50_PDISPLAY_INTR_1_CLK_UNK10)
-			nv50_display_unk10_handler(dev);
-		else
-		if (intr1 & NV50_PDISPLAY_INTR_1_CLK_UNK20)
-			nv50_display_unk20_handler(dev);
-		else
-		if (intr1 & NV50_PDISPLAY_INTR_1_CLK_UNK40)
-			nv50_display_unk40_handler(dev);
-		else
-			break;
-	}
-
-	nv_wr32(device, NV03_PMC_INTR_EN_0, 1);
-}
-
-static void
-nv50_display_error_handler(struct drm_device *dev)
-{
-	struct nouveau_device *device = nouveau_dev(dev);
-	struct nouveau_drm *drm = nouveau_drm(dev);
-	u32 channels = (nv_rd32(device, NV50_PDISPLAY_INTR_0) & 0x001f0000) >> 16;
-	u32 addr, data;
-	int chid;
-
-	for (chid = 0; chid < 5; chid++) {
-		if (!(channels & (1 << chid)))
-			continue;
-
-		nv_wr32(device, NV50_PDISPLAY_INTR_0, 0x00010000 << chid);
-		addr = nv_rd32(device, NV50_PDISPLAY_TRAPPED_ADDR(chid));
-		data = nv_rd32(device, NV50_PDISPLAY_TRAPPED_DATA(chid));
-		NV_ERROR(drm, "EvoCh %d Mthd 0x%04x Data 0x%08x "
-			      "(0x%04x 0x%02x)\n", chid,
-			 addr & 0xffc, data, addr >> 16, (addr >> 12) & 0xf);
-
-		nv_wr32(device, NV50_PDISPLAY_TRAPPED_ADDR(chid), 0x90000000);
-	}
-}
-
-void
-nv50_display_intr(struct drm_device *dev)
-{
-	struct nouveau_device *device = nouveau_dev(dev);
-	struct nouveau_drm *drm = nouveau_drm(dev);
-	struct nv50_display *disp = nv50_display(dev);
-	uint32_t delayed = 0;
-
-	while (nv_rd32(device, NV50_PMC_INTR_0) & NV50_PMC_INTR_0_DISPLAY) {
-		uint32_t intr0 = nv_rd32(device, NV50_PDISPLAY_INTR_0);
-		uint32_t intr1 = nv_rd32(device, NV50_PDISPLAY_INTR_1);
-		uint32_t clock;
-
-		NV_DEBUG(drm, "PDISPLAY_INTR 0x%08x 0x%08x\n", intr0, intr1);
-
-		if (!intr0 && !(intr1 & ~delayed))
-			break;
-
-		if (intr0 & 0x001f0000) {
-			nv50_display_error_handler(dev);
-			intr0 &= ~0x001f0000;
-		}
-
-		if (intr1 & NV50_PDISPLAY_INTR_1_VBLANK_CRTC) {
-			intr1 &= ~NV50_PDISPLAY_INTR_1_VBLANK_CRTC;
-			delayed |= NV50_PDISPLAY_INTR_1_VBLANK_CRTC;
-		}
-
-		clock = (intr1 & (NV50_PDISPLAY_INTR_1_CLK_UNK10 |
-				  NV50_PDISPLAY_INTR_1_CLK_UNK20 |
-				  NV50_PDISPLAY_INTR_1_CLK_UNK40));
-		if (clock) {
-			nv_wr32(device, NV03_PMC_INTR_EN_0, 0);
-			tasklet_schedule(&disp->tasklet);
-			delayed |= clock;
-			intr1 &= ~clock;
-		}
-
-		if (intr0) {
-			NV_ERROR(drm, "unknown PDISPLAY_INTR_0: 0x%08x\n", intr0);
-			nv_wr32(device, NV50_PDISPLAY_INTR_0, intr0);
-		}
-
-		if (intr1) {
-			NV_ERROR(drm,
-				 "unknown PDISPLAY_INTR_1: 0x%08x\n", intr1);
-			nv_wr32(device, NV50_PDISPLAY_INTR_1, intr1);
-		}
-	}
-}