drm/radeon: Add support for CIK GPU reset (v2)
v2: split soft reset into compute and gfx. Still need
to make reset more fine grained, but this should be a
start.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/radeon/cikd.h b/drivers/gpu/drm/radeon/cikd.h
index e51fb41..41b2316 100644
--- a/drivers/gpu/drm/radeon/cikd.h
+++ b/drivers/gpu/drm/radeon/cikd.h
@@ -30,6 +30,9 @@
#define DMIF_ADDR_CALC 0xC00
+#define SRBM_STATUS2 0xE4C
+#define SRBM_STATUS 0xE50
+
#define MC_SHARED_CHMAP 0x2004
#define NOOFCHAN_SHIFT 12
#define NOOFCHAN_MASK 0x0000f000
@@ -65,6 +68,83 @@
#define GRBM_CNTL 0x8000
#define GRBM_READ_TIMEOUT(x) ((x) << 0)
+#define GRBM_STATUS2 0x8008
+#define ME0PIPE1_CMDFIFO_AVAIL_MASK 0x0000000F
+#define ME0PIPE1_CF_RQ_PENDING (1 << 4)
+#define ME0PIPE1_PF_RQ_PENDING (1 << 5)
+#define ME1PIPE0_RQ_PENDING (1 << 6)
+#define ME1PIPE1_RQ_PENDING (1 << 7)
+#define ME1PIPE2_RQ_PENDING (1 << 8)
+#define ME1PIPE3_RQ_PENDING (1 << 9)
+#define ME2PIPE0_RQ_PENDING (1 << 10)
+#define ME2PIPE1_RQ_PENDING (1 << 11)
+#define ME2PIPE2_RQ_PENDING (1 << 12)
+#define ME2PIPE3_RQ_PENDING (1 << 13)
+#define RLC_RQ_PENDING (1 << 14)
+#define RLC_BUSY (1 << 24)
+#define TC_BUSY (1 << 25)
+#define CPF_BUSY (1 << 28)
+#define CPC_BUSY (1 << 29)
+#define CPG_BUSY (1 << 30)
+
+#define GRBM_STATUS 0x8010
+#define ME0PIPE0_CMDFIFO_AVAIL_MASK 0x0000000F
+#define SRBM_RQ_PENDING (1 << 5)
+#define ME0PIPE0_CF_RQ_PENDING (1 << 7)
+#define ME0PIPE0_PF_RQ_PENDING (1 << 8)
+#define GDS_DMA_RQ_PENDING (1 << 9)
+#define DB_CLEAN (1 << 12)
+#define CB_CLEAN (1 << 13)
+#define TA_BUSY (1 << 14)
+#define GDS_BUSY (1 << 15)
+#define WD_BUSY_NO_DMA (1 << 16)
+#define VGT_BUSY (1 << 17)
+#define IA_BUSY_NO_DMA (1 << 18)
+#define IA_BUSY (1 << 19)
+#define SX_BUSY (1 << 20)
+#define WD_BUSY (1 << 21)
+#define SPI_BUSY (1 << 22)
+#define BCI_BUSY (1 << 23)
+#define SC_BUSY (1 << 24)
+#define PA_BUSY (1 << 25)
+#define DB_BUSY (1 << 26)
+#define CP_COHERENCY_BUSY (1 << 28)
+#define CP_BUSY (1 << 29)
+#define CB_BUSY (1 << 30)
+#define GUI_ACTIVE (1 << 31)
+#define GRBM_STATUS_SE0 0x8014
+#define GRBM_STATUS_SE1 0x8018
+#define GRBM_STATUS_SE2 0x8038
+#define GRBM_STATUS_SE3 0x803C
+#define SE_DB_CLEAN (1 << 1)
+#define SE_CB_CLEAN (1 << 2)
+#define SE_BCI_BUSY (1 << 22)
+#define SE_VGT_BUSY (1 << 23)
+#define SE_PA_BUSY (1 << 24)
+#define SE_TA_BUSY (1 << 25)
+#define SE_SX_BUSY (1 << 26)
+#define SE_SPI_BUSY (1 << 27)
+#define SE_SC_BUSY (1 << 29)
+#define SE_DB_BUSY (1 << 30)
+#define SE_CB_BUSY (1 << 31)
+
+#define GRBM_SOFT_RESET 0x8020
+#define SOFT_RESET_CP (1 << 0) /* All CP blocks */
+#define SOFT_RESET_RLC (1 << 2) /* RLC */
+#define SOFT_RESET_GFX (1 << 16) /* GFX */
+#define SOFT_RESET_CPF (1 << 17) /* CP fetcher shared by gfx and compute */
+#define SOFT_RESET_CPC (1 << 18) /* CP Compute (MEC1/2) */
+#define SOFT_RESET_CPG (1 << 19) /* CP GFX (PFP, ME, CE) */
+
+#define CP_MEC_CNTL 0x8234
+#define MEC_ME2_HALT (1 << 28)
+#define MEC_ME1_HALT (1 << 30)
+
+#define CP_ME_CNTL 0x86D8
+#define CP_CE_HALT (1 << 24)
+#define CP_PFP_HALT (1 << 26)
+#define CP_ME_HALT (1 << 28)
+
#define CP_MEQ_THRESHOLDS 0x8764
#define MEQ1_START(x) ((x) << 0)
#define MEQ2_START(x) ((x) << 8)