diff options
| -rw-r--r-- | drivers/gpu/drm/radeon/evergreen.c | 5 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/evergreend.h | 1 |
2 files changed, 5 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index c20eac3379e..9073e3bfb08 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -1780,7 +1780,10 @@ static void evergreen_gpu_init(struct radeon_device *rdev) mc_shared_chmap = RREG32(MC_SHARED_CHMAP); - mc_arb_ramcfg = RREG32(MC_ARB_RAMCFG); + if (rdev->flags & RADEON_IS_IGP) + mc_arb_ramcfg = RREG32(FUS_MC_ARB_RAMCFG); + else + mc_arb_ramcfg = RREG32(MC_ARB_RAMCFG); switch (rdev->config.evergreen.max_tile_pipes) { case 1: diff --git a/drivers/gpu/drm/radeon/evergreend.h b/drivers/gpu/drm/radeon/evergreend.h index 94533849927..fc40e0cc345 100644 --- a/drivers/gpu/drm/radeon/evergreend.h +++ b/drivers/gpu/drm/radeon/evergreend.h @@ -200,6 +200,7 @@ #define BURSTLENGTH_SHIFT 9 #define BURSTLENGTH_MASK 0x00000200 #define CHANSIZE_OVERRIDE (1 << 11) +#define FUS_MC_ARB_RAMCFG 0x2768 #define MC_VM_AGP_TOP 0x2028 #define MC_VM_AGP_BOT 0x202C #define MC_VM_AGP_BASE 0x2030 |