From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mathieu Malaterre Subject: [PATCH] drm/radeon: Change the default to PCI on PowerPC Date: Tue, 24 Apr 2018 21:55:11 +0200 Message-ID: <20180424195512.491-1-malat@debian.org> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Return-path: Sender: linux-kernel-owner@vger.kernel.org To: =?UTF-8?q?Christian=20K=C3=B6nig?= Cc: Mathieu Malaterre , Alex Deucher , "David (ChunMing) Zhou" , David Airlie , amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org List-Id: amd-gfx.lists.freedesktop.org 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 Signed-off-by: Mathieu Malaterre --- 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