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

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>

diff --git a/drivers/gpu/drm/nouveau/nvd0_display.c b/drivers/gpu/drm/nouveau/nvd0_display.c
index f4788d8..6045488 100644 (file)
--- a/drivers/gpu/drm/nouveau/nvd0_display.c
+++ b/drivers/gpu/drm/nouveau/nvd0_display.c
@@ -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);