Commit 037d1a66 authored Apr 24, 2018 by Mathieu Malaterre Committed by Alex Deucher May 15, 2018

drm/radeon: Change the default to PCI on PowerPC



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>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

parent c5a44849

drivers/gpu/drm/radeon/radeon_drv.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -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;