From: nick <xerofoify@gmail.com>
To: airlied@linux.ie
Cc: linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org
Subject: mga_warp.c Question
Date: Thu, 27 Nov 2014 16:43:49 -0500 [thread overview]
Message-ID: <54779B15.3060401@gmail.com> (raw)
David,
I am posting some code below this message. Please tell me what you mean by this fix me in the code pasted.
Nick
int mga_warp_init(drm_mga_private_t *dev_priv)
{
u32 wmisc;
/* FIXME: Get rid of these damned magic numbers...
*/
switch (dev_priv->chipset) {
case MGA_CARD_TYPE_G400:
case MGA_CARD_TYPE_G550:
MGA_WRITE(MGA_WIADDR2, MGA_WMODE_SUSPEND);
MGA_WRITE(MGA_WGETMSB, 0x00000E00);
MGA_WRITE(MGA_WVRTXSZ, 0x00001807);
MGA_WRITE(MGA_WACCEPTSEQ, 0x18000000);
break;
case MGA_CARD_TYPE_G200:
MGA_WRITE(MGA_WIADDR, MGA_WMODE_SUSPEND);
MGA_WRITE(MGA_WGETMSB, 0x1606);
MGA_WRITE(MGA_WVRTXSZ, 7);
break;
default:
return -EINVAL;
}
MGA_WRITE(MGA_WMISC, (MGA_WUCODECACHE_ENABLE |
MGA_WMASTER_ENABLE | MGA_WCACHEFLUSH_ENABLE));
wmisc = MGA_READ(MGA_WMISC);
if (wmisc != WMISC_EXPECTED) {
DRM_ERROR("WARP engine config failed! 0x%x != 0x%x\n",
wmisc, WMISC_EXPECTED);
return -EINVAL;
}
return 0;
}
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