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path: root/drivers/gpu/drm/nouveau/nv50_display.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nv50_display.c')
-rw-r--r--drivers/gpu/drm/nouveau/nv50_display.c456
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);
- }
- }
-}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-11 13:06:02 +0000