From 8597a1ba376e03229835a0e4215a7a4cb1dcaa32 Mon Sep 17 00:00:00 2001
From: Ben Skeggs <bskeggs@redhat.com>
Date: Mon, 6 Sep 2010 11:39:25 +1000
Subject: [PATCH] drm/nv50: fix SOR count for early chipsets
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
---
drivers/gpu/drm/nouveau/nouveau_reg.h | 7 ++-----
drivers/gpu/drm/nouveau/nv50_display.c | 21 +++++++++++++++++----
2 files changed, 19 insertions(+), 9 deletions(-)
diff --git a/drivers/gpu/drm/nouveau/nouveau_reg.h b/drivers/gpu/drm/nouveau/nouveau_reg.h
index 21a6e453b975a..4b813284fdcf0 100644
--- a/drivers/gpu/drm/nouveau/nouveau_reg.h
+++ b/drivers/gpu/drm/nouveau/nouveau_reg.h
@@ -785,15 +785,12 @@
#define NV50_PDISPLAY_DAC_MODE_CTRL_C(i) (0x00610b5c + (i) * 0x8)
#define NV50_PDISPLAY_SOR_MODE_CTRL_P(i) (0x00610b70 + (i) * 0x8)
#define NV50_PDISPLAY_SOR_MODE_CTRL_C(i) (0x00610b74 + (i) * 0x8)
+#define NV50_PDISPLAY_EXT_MODE_CTRL_P(i) (0x00610b80 + (i) * 0x8)
+#define NV50_PDISPLAY_EXT_MODE_CTRL_C(i) (0x00610b84 + (i) * 0x8)
#define NV50_PDISPLAY_DAC_MODE_CTRL2_P(i) (0x00610bdc + (i) * 0x8)
#define NV50_PDISPLAY_DAC_MODE_CTRL2_C(i) (0x00610be0 + (i) * 0x8)
-
#define NV90_PDISPLAY_SOR_MODE_CTRL_P(i) (0x00610794 + (i) * 0x8)
#define NV90_PDISPLAY_SOR_MODE_CTRL_C(i) (0x00610798 + (i) * 0x8)
-#define NV90_PDISPLAY_DAC_MODE_CTRL_P(i) (0x00610b58 + (i) * 0x8)
-#define NV90_PDISPLAY_DAC_MODE_CTRL_C(i) (0x00610b5c + (i) * 0x8)
-#define NV90_PDISPLAY_DAC_MODE_CTRL2_P(i) (0x00610b80 + (i) * 0x8)
-#define NV90_PDISPLAY_DAC_MODE_CTRL2_C(i) (0x00610b84 + (i) * 0x8)
#define NV50_PDISPLAY_CRTC_CLK 0x00614000
#define NV50_PDISPLAY_CRTC_CLK_CTRL1(i) ((i) * 0x800 + 0x614100)
diff --git a/drivers/gpu/drm/nouveau/nv50_display.c b/drivers/gpu/drm/nouveau/nv50_display.c
index b65d2ddd415d4..c11a2fa43c7f0 100644
--- a/drivers/gpu/drm/nouveau/nv50_display.c
+++ b/drivers/gpu/drm/nouveau/nv50_display.c
@@ -33,6 +33,19 @@
#include "nouveau_ramht.h"
#include "drm_crtc_helper.h"
+static inline int
+nv50_sor_nr(struct drm_device *dev)
+{
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+
+ if (dev_priv->chipset < 0x90 ||
+ dev_priv->chipset == 0x92 ||
+ dev_priv->chipset == 0xa0)
+ return 2;
+
+ return 4;
+}
+
static void
nv50_evo_channel_del(struct nouveau_channel **pchan)
{
@@ -233,11 +246,11 @@ nv50_display_init(struct drm_device *dev)
nv_wr32(dev, 0x006101d0 + (i * 0x04), val);
}
/* SOR */
- for (i = 0; i < 4; i++) {
+ for (i = 0; i < nv50_sor_nr(dev); i++) {
val = nv_rd32(dev, 0x0061c000 + (i * 0x800));
nv_wr32(dev, 0x006101e0 + (i * 0x04), val);
}
- /* Something not yet in use, tv-out maybe. */
+ /* EXT */
for (i = 0; i < 3; i++) {
val = nv_rd32(dev, 0x0061e000 + (i * 0x800));
nv_wr32(dev, 0x006101f0 + (i * 0x04), val);
@@ -716,7 +729,7 @@ nv50_display_unk10_handler(struct drm_device *dev)
or = i;
}
- for (i = 0; type == OUTPUT_ANY && i < 4; i++) {
+ for (i = 0; type == OUTPUT_ANY && i < nv50_sor_nr(dev); i++) {
if (dev_priv->chipset < 0x90 ||
dev_priv->chipset == 0x92 ||
dev_priv->chipset == 0xa0)
@@ -847,7 +860,7 @@ nv50_display_unk20_handler(struct drm_device *dev)
or = i;
}
- for (i = 0; type == OUTPUT_ANY && i < 4; i++) {
+ for (i = 0; type == OUTPUT_ANY && i < nv50_sor_nr(dev); i++) {
if (dev_priv->chipset < 0x90 ||
dev_priv->chipset == 0x92 ||
dev_priv->chipset == 0xa0)
--
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