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authorJerome Glisse <jglisse@redhat.com>2013-01-02 17:30:35 -0500
committerAlex Deucher <alexander.deucher@amd.com>2013-01-03 13:18:41 -0500
commit64c56e8ce377842c8c8ff41054530480c7128c0b (patch)
treee72cf12a47e467ff5bf664d57698ba510e227c81 /drivers/gpu/drm/radeon/sid.h
parenteaaa6983ab2ccdf826c90838eb584211e0cadb76 (diff)
downloadblackbird-op-linux-64c56e8ce377842c8c8ff41054530480c7128c0b.tar.gz
blackbird-op-linux-64c56e8ce377842c8c8ff41054530480c7128c0b.zip
drm/radeon: reset dma engine on gpu reset (v2)
This try to reset the dma engine when performing gpu reset. Hopefully bringing back the gpu dma engine in sane state. v2: agd5f: fix dma reset on cayman/TN, add support for SI Signed-off-by: Jerome Glisse <jglisse@redhat.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/sid.h')
-rw-r--r--drivers/gpu/drm/radeon/sid.h16
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/sid.h b/drivers/gpu/drm/radeon/sid.h
index 98909b264ac2..c056aae814f0 100644
--- a/drivers/gpu/drm/radeon/sid.h
+++ b/drivers/gpu/drm/radeon/sid.h
@@ -62,6 +62,22 @@
#define SRBM_STATUS 0xE50
+#define SRBM_SOFT_RESET 0x0E60
+#define SOFT_RESET_BIF (1 << 1)
+#define SOFT_RESET_DC (1 << 5)
+#define SOFT_RESET_DMA1 (1 << 6)
+#define SOFT_RESET_GRBM (1 << 8)
+#define SOFT_RESET_HDP (1 << 9)
+#define SOFT_RESET_IH (1 << 10)
+#define SOFT_RESET_MC (1 << 11)
+#define SOFT_RESET_ROM (1 << 14)
+#define SOFT_RESET_SEM (1 << 15)
+#define SOFT_RESET_VMC (1 << 17)
+#define SOFT_RESET_DMA (1 << 20)
+#define SOFT_RESET_TST (1 << 21)
+#define SOFT_RESET_REGBB (1 << 22)
+#define SOFT_RESET_ORB (1 << 23)
+
#define CC_SYS_RB_BACKEND_DISABLE 0xe80
#define GC_USER_SYS_RB_BACKEND_DISABLE 0xe84
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