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* [PATCH] nv50/disp: Fix modeset on G94
@ 2014-10-30 21:57 Roy Spliet
       [not found] ` <1414706265-13208-1-git-send-email-rspliet-pPYjZ15w/Xhulxpn9UvDqw@public.gmane.org>
  0 siblings, 1 reply; 6+ messages in thread
From: Roy Spliet @ 2014-10-30 21:57 UTC (permalink / raw)
  To: Nouveau Mailinglist; +Cc: Roy Spliet

Commit 1dce6264045cd23e9c07574ed0bb31c7dce9354f 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>
---
 drivers/gpu/drm/nouveau/nv50_display.c | 26 ++++++++++++++++++++++++--
 1 file changed, 24 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/nouveau/nv50_display.c b/drivers/gpu/drm/nouveau/nv50_display.c
index ae873d1..2f24a08 100644
--- a/drivers/gpu/drm/nouveau/nv50_display.c
+++ b/drivers/gpu/drm/nouveau/nv50_display.c
@@ -791,6 +791,23 @@ nv50_crtc_set_scale(struct nouveau_crtc *nv_crtc, bool update)
 }
 
 static int
+nv50_crtc_set_raster_vblank_dmi(struct nouveau_crtc *nv_crtc, u32 usec)
+{
+	struct nv50_mast *mast = nv50_mast(nv_crtc->base.dev);
+	u32 *push;
+
+	push = evo_wait(mast, 8);
+	if (!push)
+		return -ENOMEM;
+
+	evo_mthd(push, 0x0828 + (nv_crtc->index * 0x400), 1);
+	evo_data(push, usec);
+	evo_kick(push, mast);
+
+	return 0;
+}
+
+static int
 nv50_crtc_set_color_vibrance(struct nouveau_crtc *nv_crtc, bool update)
 {
 	struct nv50_mast *mast = nv50_mast(nv_crtc->base.dev);
@@ -1104,14 +1121,14 @@ nv50_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *umode,
 			evo_mthd(push, 0x0804 + (nv_crtc->index * 0x400), 2);
 			evo_data(push, 0x00800000 | mode->clock);
 			evo_data(push, (ilace == 2) ? 2 : 0);
-			evo_mthd(push, 0x0810 + (nv_crtc->index * 0x400), 8);
+			evo_mthd(push, 0x0810 + (nv_crtc->index * 0x400), 6);
 			evo_data(push, 0x00000000);
 			evo_data(push, (vactive << 16) | hactive);
 			evo_data(push, ( vsynce << 16) | hsynce);
 			evo_data(push, (vblanke << 16) | hblanke);
 			evo_data(push, (vblanks << 16) | hblanks);
 			evo_data(push, (vblan2e << 16) | vblan2s);
-			evo_data(push, vblankus);
+			evo_mthd(push, 0x082c + (nv_crtc->index * 0x400), 1);
 			evo_data(push, 0x00000000);
 			evo_mthd(push, 0x0900 + (nv_crtc->index * 0x400), 2);
 			evo_data(push, 0x00000311);
@@ -1141,6 +1158,11 @@ nv50_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *umode,
 	nv_connector = nouveau_crtc_connector_get(nv_crtc);
 	nv50_crtc_set_dither(nv_crtc, false);
 	nv50_crtc_set_scale(nv_crtc, false);
+
+	/* G94 only accepts this after setting scale */
+	if (nv50_vers(mast) < GF110_DISP_CORE_CHANNEL_DMA)
+		nv50_crtc_set_raster_vblank_dmi(nv_crtc, vblankus);
+
 	nv50_crtc_set_color_vibrance(nv_crtc, false);
 	nv50_crtc_set_image(nv_crtc, crtc->primary->fb, x, y, false);
 	return 0;
-- 
2.1.0



_______________________________________________
Nouveau mailing list
Nouveau@lists.freedesktop.org
http://lists.freedesktop.org/mailman/listinfo/nouveau

^ permalink raw reply related	[flat|nested] 6+ messages in thread
* [PATCH] nv50/disp: Fix modeset on G94
@ 2014-10-28 10:48 Roy Spliet
  0 siblings, 0 replies; 6+ messages in thread
From: Roy Spliet @ 2014-10-28 10:48 UTC (permalink / raw)
  To: Nouveau Mailinglist; +Cc: Roy Spliet

Commit 1dce6264045cd23e9c07574ed0bb31c7dce9354f 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.

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>
---
 drivers/gpu/drm/nouveau/nv50_display.c | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/nouveau/nv50_display.c b/drivers/gpu/drm/nouveau/nv50_display.c
index ae873d1..5beb352 100644
--- a/drivers/gpu/drm/nouveau/nv50_display.c
+++ b/drivers/gpu/drm/nouveau/nv50_display.c
@@ -1104,14 +1104,14 @@ nv50_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *umode,
 			evo_mthd(push, 0x0804 + (nv_crtc->index * 0x400), 2);
 			evo_data(push, 0x00800000 | mode->clock);
 			evo_data(push, (ilace == 2) ? 2 : 0);
-			evo_mthd(push, 0x0810 + (nv_crtc->index * 0x400), 8);
+			evo_mthd(push, 0x0810 + (nv_crtc->index * 0x400), 6);
 			evo_data(push, 0x00000000);
 			evo_data(push, (vactive << 16) | hactive);
 			evo_data(push, ( vsynce << 16) | hsynce);
 			evo_data(push, (vblanke << 16) | hblanke);
 			evo_data(push, (vblanks << 16) | hblanks);
 			evo_data(push, (vblan2e << 16) | vblan2s);
-			evo_data(push, vblankus);
+			evo_mthd(push, 0x082c + (nv_crtc->index * 0x400), 1);
 			evo_data(push, 0x00000000);
 			evo_mthd(push, 0x0900 + (nv_crtc->index * 0x400), 2);
 			evo_data(push, 0x00000311);
@@ -1141,6 +1141,17 @@ nv50_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *umode,
 	nv_connector = nouveau_crtc_connector_get(nv_crtc);
 	nv50_crtc_set_dither(nv_crtc, false);
 	nv50_crtc_set_scale(nv_crtc, false);
+
+	/* G94 only accepts this after setting scale */
+	if (nv50_vers(mast) < GF110_DISP_CORE_CHANNEL_DMA) {
+		push = evo_wait(mast, 8);
+		if (push) {
+			evo_mthd(push, 0x0828 + (nv_crtc->index * 0x400), 1);
+			evo_data(push, vblankus);
+			evo_kick(push, mast);
+		}
+	}
+
 	nv50_crtc_set_color_vibrance(nv_crtc, false);
 	nv50_crtc_set_image(nv_crtc, crtc->primary->fb, x, y, false);
 	return 0;
-- 
2.1.0



_______________________________________________
Nouveau mailing list
Nouveau@lists.freedesktop.org
http://lists.freedesktop.org/mailman/listinfo/nouveau

^ permalink raw reply related	[flat|nested] 6+ messages in thread

end of thread, other threads:[~2014-11-10 21:32 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2014-10-30 21:57 [PATCH] nv50/disp: Fix modeset on G94 Roy Spliet
     [not found] ` <1414706265-13208-1-git-send-email-rspliet-pPYjZ15w/Xhulxpn9UvDqw@public.gmane.org>
2014-10-30 22:00   ` Ilia Mirkin
     [not found]     ` <CAKb7UvhnxLciY+v1B+m0zc1tT090_wVfXatwOK2ygXd1M_jVRQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-10-30 23:52       ` Ben Skeggs
     [not found]         ` <CACAvsv5y3LMVnEyDGB-aLgyWnkJQDujP8WhZUfq9J=8g_RxrCA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-10-31 10:28           ` Roy Spliet
     [not found]             ` <723e85bac4ee58d0c1820fa445ed8965-oCZ8gVdGmpNhe3Fb0padOQ@public.gmane.org>
2014-11-10 21:32               ` poma
  -- strict thread matches above, loose matches on Subject: below --
2014-10-28 10:48 Roy Spliet

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