drm/nouveau/nv50/disp: Fix modeset on G94
Commit 1dce626404
introduced a regression
spotted on several G94 (FDObz #85160). This device seems to expect the
vblank period to be set after setting scale instead of before.
V2: shove this in a separate function
This is a candidate bug-fix for 3.18
Signed-off-by: Roy Spliet <rspliet@eclipso.eu>
Tested-by: Zlatko Calusic <zcalusic@bitsync.net>
Tested-by: Michael Riesch <michael@riesch.at>
Tested-by: "poma" <pomidorabelisima@gmail.com>
Tested-by: Adam Williamson <adamw@happyassassin.net>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
parent
b2c1987006
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@ -790,6 +790,22 @@ nv50_crtc_set_scale(struct nouveau_crtc *nv_crtc, bool update)
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return 0;
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}
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static int
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nv50_crtc_set_raster_vblank_dmi(struct nouveau_crtc *nv_crtc, u32 usec)
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{
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struct nv50_mast *mast = nv50_mast(nv_crtc->base.dev);
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u32 *push;
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push = evo_wait(mast, 8);
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if (!push)
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return -ENOMEM;
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evo_mthd(push, 0x0828 + (nv_crtc->index * 0x400), 1);
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evo_data(push, usec);
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evo_kick(push, mast);
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return 0;
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}
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static int
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nv50_crtc_set_color_vibrance(struct nouveau_crtc *nv_crtc, bool update)
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{
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@ -1104,14 +1120,14 @@ nv50_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *umode,
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evo_mthd(push, 0x0804 + (nv_crtc->index * 0x400), 2);
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evo_data(push, 0x00800000 | mode->clock);
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evo_data(push, (ilace == 2) ? 2 : 0);
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evo_mthd(push, 0x0810 + (nv_crtc->index * 0x400), 8);
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evo_mthd(push, 0x0810 + (nv_crtc->index * 0x400), 6);
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evo_data(push, 0x00000000);
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evo_data(push, (vactive << 16) | hactive);
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evo_data(push, ( vsynce << 16) | hsynce);
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evo_data(push, (vblanke << 16) | hblanke);
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evo_data(push, (vblanks << 16) | hblanks);
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evo_data(push, (vblan2e << 16) | vblan2s);
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evo_data(push, vblankus);
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evo_mthd(push, 0x082c + (nv_crtc->index * 0x400), 1);
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evo_data(push, 0x00000000);
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evo_mthd(push, 0x0900 + (nv_crtc->index * 0x400), 2);
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evo_data(push, 0x00000311);
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@ -1141,6 +1157,11 @@ nv50_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *umode,
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nv_connector = nouveau_crtc_connector_get(nv_crtc);
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nv50_crtc_set_dither(nv_crtc, false);
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nv50_crtc_set_scale(nv_crtc, false);
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/* G94 only accepts this after setting scale */
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if (nv50_vers(mast) < GF110_DISP_CORE_CHANNEL_DMA)
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nv50_crtc_set_raster_vblank_dmi(nv_crtc, vblankus);
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nv50_crtc_set_color_vibrance(nv_crtc, false);
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nv50_crtc_set_image(nv_crtc, crtc->primary->fb, x, y, false);
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return 0;
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