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authorAlex Deucher <alexander.deucher@amd.com>2013-07-29 15:51:25 (GMT)
committerAlex Deucher <alexander.deucher@amd.com>2013-07-29 22:14:40 (GMT)
commit3652f00591982b15f0702dd90e4e5f0ddcfe7f8b (patch)
tree62fab80c20a4e0f2205c17bf561f7dd8e206f97e /drivers/gpu
parentf86d0269b471d88c9c06da4972f9145f978a0e5a (diff)
downloadlinux-fsl-qoriq-3652f00591982b15f0702dd90e4e5f0ddcfe7f8b.tar.xz
drm/radeon/si: disable cgcg and pg for now
Coarse grain clockgating causes problems with reclocking on some cards and powergating (verde only) causes problems with ring initialization. The proper fix (restructuring the init sequences) is too invasive for 3.11 so just disable them for now. Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/radeon/si.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c
index 1d656f7..6ca9046 100644
--- a/drivers/gpu/drm/radeon/si.c
+++ b/drivers/gpu/drm/radeon/si.c
@@ -5216,7 +5216,7 @@ static void si_enable_mc_ls(struct radeon_device *rdev,
static void si_init_cg(struct radeon_device *rdev)
{
si_enable_mgcg(rdev, true);
- si_enable_cgcg(rdev, true);
+ si_enable_cgcg(rdev, false);
/* disable MC LS on Tahiti */
if (rdev->family == CHIP_TAHITI)
si_enable_mc_ls(rdev, false);
@@ -5237,11 +5237,11 @@ static void si_fini_cg(struct radeon_device *rdev)
static void si_init_pg(struct radeon_device *rdev)
{
bool has_pg = false;
-
+#if 0
/* only cape verde supports PG */
if (rdev->family == CHIP_VERDE)
has_pg = true;
-
+#endif
if (has_pg) {
si_init_ao_cu_mask(rdev);
si_init_dma_pg(rdev);