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drm/nv30: Init the PFB+0x3xx memory timing regs.

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Fixes the randomly flashing vertical lines seen on some nv3x after a
cold-boot.

Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Francisco Jerez 2010-07-21 21:08:11 +02:00 committed by Ben Skeggs
parent b01f06085e
commit 8bded18955
4 changed files with 94 additions and 3 deletions
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2
drivers/gpu/drm/nouveau/Makefile
View file

@ -12,7 +12,7 @@ nouveau-y := nouveau_drv.o nouveau_state.o nouveau_channel.o nouveau_mem.o \
nouveau_dp.o \
nv04_timer.o \
nv04_mc.o nv40_mc.o nv50_mc.o \
nv04_fb.o nv10_fb.o nv40_fb.o nv50_fb.o \
nv04_fb.o nv10_fb.o nv30_fb.o nv40_fb.o nv50_fb.o \
nv04_fifo.o nv10_fifo.o nv40_fifo.o nv50_fifo.o \
nv04_graph.o nv10_graph.o nv20_graph.o \
nv40_graph.o nv50_graph.o \

4
drivers/gpu/drm/nouveau/nouveau_drv.h
View file

@ -896,6 +896,10 @@ extern void nv10_fb_takedown(struct drm_device *);
extern void nv10_fb_set_region_tiling(struct drm_device *, int, uint32_t,
uint32_t, uint32_t);
/* nv30_fb.c */
extern int nv30_fb_init(struct drm_device *);
extern void nv30_fb_takedown(struct drm_device *);
/* nv40_fb.c */
extern int nv40_fb_init(struct drm_device *);
extern void nv40_fb_takedown(struct drm_device *);

4
drivers/gpu/drm/nouveau/nouveau_state.c
View file

@ -184,8 +184,8 @@ static int nouveau_init_engine_ptrs(struct drm_device *dev)
engine->timer.init = nv04_timer_init;
engine->timer.read = nv04_timer_read;
engine->timer.takedown = nv04_timer_takedown;
engine->fb.init = nv10_fb_init;
engine->fb.takedown = nv10_fb_takedown;
engine->fb.init = nv30_fb_init;
engine->fb.takedown = nv30_fb_takedown;
engine->fb.set_region_tiling = nv10_fb_set_region_tiling;
engine->graph.grclass = nv30_graph_grclass;
engine->graph.init = nv30_graph_init;

87
drivers/gpu/drm/nouveau/nv30_fb.c Normal file
View file

@ -0,0 +1,87 @@
/*
* Copyright (C) 2010 Francisco Jerez.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial
* portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*/
#include "drmP.h"
#include "drm.h"
#include "nouveau_drv.h"
#include "nouveau_drm.h"
static int
calc_ref(int b, int l, int i)
{
int j, x = 0;
for (j = 0; j < 4; j++) {
int n = (b >> (8 * j) & 0xf);
int m = (l >> (8 * i) & 0xff) + 2 * (n & 0x8 ? n - 0x10 : n);
x |= (0x80 | (m & 0x1f)) << (8 * j);
}
return x;
}
int
nv30_fb_init(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_fb_engine *pfb = &dev_priv->engine.fb;
int i, j;
pfb->num_tiles = NV10_PFB_TILE__SIZE;
/* Turn all the tiling regions off. */
for (i = 0; i < pfb->num_tiles; i++)
pfb->set_region_tiling(dev, i, 0, 0, 0);
/* Init the memory timing regs at 0x10037c/0x1003ac */
if (dev_priv->chipset == 0x30 ||
dev_priv->chipset == 0x31 ||
dev_priv->chipset == 0x35) {
/* Related to ROP count */
int n = (dev_priv->chipset == 0x31 ? 2 : 4);
int b = (dev_priv->chipset > 0x30 ?
nv_rd32(dev, 0x122c) & 0xf : 0);
int l = nv_rd32(dev, 0x1003d0);
for (i = 0; i < n; i++) {
for (j = 0; j < 3; j++)
nv_wr32(dev, 0x10037c + 0xc * i + 0x4 * j,
calc_ref(b, l, j));
for (j = 0; j < 2; j++)
nv_wr32(dev, 0x1003ac + 0x8 * i + 0x4 * j,
calc_ref(b, l, j));
}
}
return 0;
}
void
nv30_fb_takedown(struct drm_device *dev)
{
}