From df1dadab46b1a1deec017dc4bb20c6325f6fbd23 Mon Sep 17 00:00:00 2001 From: Jerome Glisse Date: Thu, 31 May 2012 19:00:24 -0400 Subject: [PATCH] drm/radeon: fix HD6790, HD6570 backend programming commit 95c4b23ec4e2fa5604df229ddf134e31d7b3b378 upstream. Without this bit sets we get broken rendering and lockups. fglrx sets this bit. Bugs that should be fixed by this patch : https://bugs.freedesktop.org/show_bug.cgi?id=49792 https://bugzilla.kernel.org/show_bug.cgi?id=43207 https://bugs.freedesktop.org/show_bug.cgi?id=39282 Signed-off-by: Jerome Glisse Acked-by: Alex Deucher Signed-off-by: Dave Airlie Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/radeon/evergreen.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index 31fb3480d9bd..8846bad45e66 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -2069,9 +2069,9 @@ static void evergreen_gpu_init(struct radeon_device *rdev) WREG32(CC_SYS_RB_BACKEND_DISABLE, rb); WREG32(GC_USER_RB_BACKEND_DISABLE, rb); WREG32(CC_GC_SHADER_PIPE_CONFIG, sp); - } + } - grbm_gfx_index |= SE_BROADCAST_WRITES; + grbm_gfx_index = INSTANCE_BROADCAST_WRITES | SE_BROADCAST_WRITES; WREG32(GRBM_GFX_INDEX, grbm_gfx_index); WREG32(RLC_GFX_INDEX, grbm_gfx_index); -- 2.39.5