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drm/nvd0/disp: determine U table config in or_mode_set()

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Takes a gamble and presumes that we can safely store something random in
OR_MODE_CTRL+4, the hw doesn't seem to mind...

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2011-07-08 11:53:37 +10:00
parent b681993f7a
commit ff8ff50342
1 changed files with 15 additions and 21 deletions
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36
drivers/gpu/drm/nouveau/nvd0_display.c
View file

@ -49,7 +49,7 @@ struct nvd0_display {
struct dcb_entry *ena;
int crtc;
int pclk;
u16 script;
u16 cfg;
} irq;
};
@ -649,10 +649,11 @@ nvd0_dac_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode,
nvd0_dac_dpms(encoder, DRM_MODE_DPMS_ON);
push = evo_wait(encoder->dev, 0, 2);
push = evo_wait(encoder->dev, 0, 4);
if (push) {
evo_mthd(push, 0x0180 + (nv_encoder->or * 0x20), 1);
evo_mthd(push, 0x0180 + (nv_encoder->or * 0x20), 2);
evo_data(push, 1 << nv_crtc->index);
evo_data(push, 0x00ff);
evo_kick(push, encoder->dev, 0);
}
@ -821,7 +822,7 @@ nvd0_sor_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode,
struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
struct nouveau_crtc *nv_crtc = nouveau_crtc(encoder->crtc);
u32 mode_ctrl = (1 << nv_crtc->index);
u32 *push;
u32 *push, or_config;
if (nv_encoder->dcb->sorconf.link & 1) {
if (adjusted_mode->clock < 165000)
@ -832,12 +833,17 @@ nvd0_sor_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode,
mode_ctrl |= 0x00000200;
}
or_config = (mode_ctrl & 0x00000f00) >> 8;
if (adjusted_mode->clock >= 165000)
or_config |= 0x0100;
nvd0_sor_dpms(encoder, DRM_MODE_DPMS_ON);
push = evo_wait(encoder->dev, 0, 2);
push = evo_wait(encoder->dev, 0, 4);
if (push) {
evo_mthd(push, 0x0200 + (nv_encoder->or * 0x20), 1);
evo_mthd(push, 0x0200 + (nv_encoder->or * 0x20), 2);
evo_data(push, mode_ctrl);
evo_data(push, or_config);
evo_kick(push, encoder->dev, 0);
}
@ -971,20 +977,8 @@ nvd0_display_unk1_handler(struct drm_device *dev)
disp->irq.dis = lookup_dcb(dev, i, mcc);
if (mcp & (1 << crtc)) {
disp->irq.cfg = nv_rd32(dev, 0x660184 + (i * 0x20));
disp->irq.ena = lookup_dcb(dev, i, mcp);
switch (disp->irq.ena->type) {
case OUTPUT_ANALOG:
disp->irq.script = 0x00ff;
break;
case OUTPUT_TMDS:
disp->irq.script = (mcp & 0x00000f00) >> 8;
if (disp->irq.pclk >= 165000)
disp->irq.script |= 0x0100;
break;
default:
disp->irq.script = 0xbeef;
break;
}
}
}
@ -1022,7 +1016,7 @@ nvd0_display_unk2_handler(struct drm_device *dev)
goto ack;
or = ffs(dcb->or) - 1;
nouveau_bios_run_display_table(dev, disp->irq.script, pclk, dcb, crtc);
nouveau_bios_run_display_table(dev, disp->irq.cfg, pclk, dcb, crtc);
nv_wr32(dev, 0x612200 + (crtc * 0x800), 0x00000000);
switch (dcb->type) {
@ -1063,7 +1057,7 @@ nvd0_display_unk4_handler(struct drm_device *dev)
if (!dcb)
goto ack;
nouveau_bios_run_display_table(dev, disp->irq.script, pclk, dcb, crtc);
nouveau_bios_run_display_table(dev, disp->irq.cfg, pclk, dcb, crtc);
ack:
nv_wr32(dev, 0x6101d4, 0x00000000);