From: Mathieu Malaterre <malat@debian.org>
To: "Christian König" <christian.koenig@amd.com>
Cc: Mathieu Malaterre <malat@debian.org>,
Alex Deucher <alexander.deucher@amd.com>,
"David (ChunMing) Zhou" <David1.Zhou@amd.com>,
David Airlie <airlied@linux.ie>,
amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org,
linux-kernel@vger.kernel.org
Subject: [PATCH] drm/radeon: Change the default to PCI on PowerPC
Date: Tue, 24 Apr 2018 21:55:11 +0200 [thread overview]
Message-ID: <20180424195512.491-1-malat@debian.org> (raw)
AGP mode is unstable on PowerPC. Symptoms are generally of the form:
[ 1228.795711] radeon 0000:00:10.0: ring 0 stalled for more than 10240msec
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Mathieu Malaterre <malat@debian.org>
---
drivers/gpu/drm/radeon/radeon_drv.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c
index b28288a781ef..2a7977a23b31 100644
--- a/drivers/gpu/drm/radeon/radeon_drv.c
+++ b/drivers/gpu/drm/radeon/radeon_drv.c
@@ -168,7 +168,12 @@ int radeon_no_wb;
int radeon_modeset = -1;
int radeon_dynclks = -1;
int radeon_r4xx_atom = 0;
+#ifdef __powerpc__
+/* Default to PCI on PowerPC (fdo #95017) */
+int radeon_agpmode = -1;
+#else
int radeon_agpmode = 0;
+#endif
int radeon_vram_limit = 0;
int radeon_gart_size = -1; /* auto */
int radeon_benchmarking = 0;
--
2.11.0
next reply other threads:[~2018-04-24 19:55 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-04-24 19:55 Mathieu Malaterre [this message]
2018-04-24 19:56 ` Mathieu Malaterre
2018-04-25 9:49 ` Michel Dänzer
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