drm/radeon: improve mc_stop/mc_resume on r5xx-r7xx

Along the same lines of what was done for evergreen+
in the last kernel.

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

1 files changed, 9 insertions, 0 deletions

diff --git a/drivers/gpu/drm/radeon/r600_reg.h b/drivers/gpu/drm/radeon/r600_reg.h
index 2b960cb5c18a..909219b1bf80 100644
--- a/drivers/gpu/drm/radeon/r600_reg.h
+++ b/drivers/gpu/drm/radeon/r600_reg.h
@@ -96,6 +96,15 @@
 #define R600_CONFIG_F0_BASE                                     0x542C
 #define R600_CONFIG_APER_SIZE                                   0x5430
 
+#define R600_BIF_FB_EN                                          0x5490
+#define         R600_FB_READ_EN                                 (1 << 0)
+#define         R600_FB_WRITE_EN                                (1 << 1)
+
+#define R600_CITF_CNTL                                          0x200c
+#define         R600_BLACKOUT_MASK                              0x00000003
+
+#define R700_MC_CITF_CNTL                                       0x25c0
+
 #define R600_ROM_CNTL                              0x1600
 #       define R600_SCK_OVERWRITE                  (1 << 1)
 #       define R600_SCK_PRESCALE_CRYSTAL_CLK_SHIFT 28