#include "ni_reg.h"
#include "cayman_blit_shaders.h"
+extern bool evergreen_is_display_hung(struct radeon_device *rdev);
+extern void evergreen_print_gpu_status_regs(struct radeon_device *rdev);
extern void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *save);
extern void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *save);
extern int evergreen_mc_wait_for_idle(struct radeon_device *rdev);
int cayman_dma_resume(struct radeon_device *rdev)
{
struct radeon_ring *ring;
- u32 rb_cntl, dma_cntl;
+ u32 rb_cntl, dma_cntl, ib_cntl;
u32 rb_bufsz;
u32 reg_offset, wb_offset;
int i, r;
WREG32(DMA_RB_BASE + reg_offset, ring->gpu_addr >> 8);
/* enable DMA IBs */
- WREG32(DMA_IB_CNTL + reg_offset, DMA_IB_ENABLE | CMD_VMID_FORCE);
+ ib_cntl = DMA_IB_ENABLE | CMD_VMID_FORCE;
+#ifdef __BIG_ENDIAN
+ ib_cntl |= DMA_IB_SWAP_ENABLE;
+#endif
+ WREG32(DMA_IB_CNTL + reg_offset, ib_cntl);
dma_cntl = RREG32(DMA_CNTL + reg_offset);
dma_cntl &= ~CTXEMPTY_INT_ENABLE;
radeon_ring_fini(rdev, &rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX]);
}
-static int cayman_gpu_soft_reset(struct radeon_device *rdev)
+static u32 cayman_gpu_check_soft_reset(struct radeon_device *rdev)
+{
+ u32 reset_mask = 0;
+ u32 tmp;
+
+ /* GRBM_STATUS */
+ tmp = RREG32(GRBM_STATUS);
+ if (tmp & (PA_BUSY | SC_BUSY |
+ SH_BUSY | SX_BUSY |
+ TA_BUSY | VGT_BUSY |
+ DB_BUSY | CB_BUSY |
+ GDS_BUSY | SPI_BUSY |
+ IA_BUSY | IA_BUSY_NO_DMA))
+ reset_mask |= RADEON_RESET_GFX;
+
+ if (tmp & (CF_RQ_PENDING | PF_RQ_PENDING |
+ CP_BUSY | CP_COHERENCY_BUSY))
+ reset_mask |= RADEON_RESET_CP;
+
+ if (tmp & GRBM_EE_BUSY)
+ reset_mask |= RADEON_RESET_GRBM | RADEON_RESET_GFX | RADEON_RESET_CP;
+
+ /* DMA_STATUS_REG 0 */
+ tmp = RREG32(DMA_STATUS_REG + DMA0_REGISTER_OFFSET);
+ if (!(tmp & DMA_IDLE))
+ reset_mask |= RADEON_RESET_DMA;
+
+ /* DMA_STATUS_REG 1 */
+ tmp = RREG32(DMA_STATUS_REG + DMA1_REGISTER_OFFSET);
+ if (!(tmp & DMA_IDLE))
+ reset_mask |= RADEON_RESET_DMA1;
+
+ /* SRBM_STATUS2 */
+ tmp = RREG32(SRBM_STATUS2);
+ if (tmp & DMA_BUSY)
+ reset_mask |= RADEON_RESET_DMA;
+
+ if (tmp & DMA1_BUSY)
+ reset_mask |= RADEON_RESET_DMA1;
+
+ /* SRBM_STATUS */
+ tmp = RREG32(SRBM_STATUS);
+ if (tmp & (RLC_RQ_PENDING | RLC_BUSY))
+ reset_mask |= RADEON_RESET_RLC;
+
+ if (tmp & IH_BUSY)
+ reset_mask |= RADEON_RESET_IH;
+
+ if (tmp & SEM_BUSY)
+ reset_mask |= RADEON_RESET_SEM;
+
+ if (tmp & GRBM_RQ_PENDING)
+ reset_mask |= RADEON_RESET_GRBM;
+
+ if (tmp & VMC_BUSY)
+ reset_mask |= RADEON_RESET_VMC;
+
+ if (tmp & (MCB_BUSY | MCB_NON_DISPLAY_BUSY |
+ MCC_BUSY | MCD_BUSY))
+ reset_mask |= RADEON_RESET_MC;
+
+ if (evergreen_is_display_hung(rdev))
+ reset_mask |= RADEON_RESET_DISPLAY;
+
+ /* VM_L2_STATUS */
+ tmp = RREG32(VM_L2_STATUS);
+ if (tmp & L2_BUSY)
+ reset_mask |= RADEON_RESET_VMC;
+
+ return reset_mask;
+}
+
+static void cayman_gpu_soft_reset(struct radeon_device *rdev, u32 reset_mask)
{
struct evergreen_mc_save save;
- u32 grbm_reset = 0;
-
- if (!(RREG32(GRBM_STATUS) & GUI_ACTIVE))
- return 0;
-
- dev_info(rdev->dev, "GPU softreset \n");
- dev_info(rdev->dev, " GRBM_STATUS=0x%08X\n",
- RREG32(GRBM_STATUS));
- dev_info(rdev->dev, " GRBM_STATUS_SE0=0x%08X\n",
- RREG32(GRBM_STATUS_SE0));
- dev_info(rdev->dev, " GRBM_STATUS_SE1=0x%08X\n",
- RREG32(GRBM_STATUS_SE1));
- dev_info(rdev->dev, " SRBM_STATUS=0x%08X\n",
- RREG32(SRBM_STATUS));
- dev_info(rdev->dev, " R_008674_CP_STALLED_STAT1 = 0x%08X\n",
- RREG32(CP_STALLED_STAT1));
- dev_info(rdev->dev, " R_008678_CP_STALLED_STAT2 = 0x%08X\n",
- RREG32(CP_STALLED_STAT2));
- dev_info(rdev->dev, " R_00867C_CP_BUSY_STAT = 0x%08X\n",
- RREG32(CP_BUSY_STAT));
- dev_info(rdev->dev, " R_008680_CP_STAT = 0x%08X\n",
- RREG32(CP_STAT));
+ u32 grbm_soft_reset = 0, srbm_soft_reset = 0;
+ u32 tmp;
+
+ if (reset_mask == 0)
+ return;
+
+ dev_info(rdev->dev, "GPU softreset: 0x%08X\n", reset_mask);
+
+ evergreen_print_gpu_status_regs(rdev);
dev_info(rdev->dev, " VM_CONTEXT0_PROTECTION_FAULT_ADDR 0x%08X\n",
RREG32(0x14F8));
dev_info(rdev->dev, " VM_CONTEXT0_PROTECTION_FAULT_STATUS 0x%08X\n",
dev_info(rdev->dev, " VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n",
RREG32(0x14DC));
+ /* Disable CP parsing/prefetching */
+ WREG32(CP_ME_CNTL, CP_ME_HALT | CP_PFP_HALT);
+
+ if (reset_mask & RADEON_RESET_DMA) {
+ /* dma0 */
+ tmp = RREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET);
+ tmp &= ~DMA_RB_ENABLE;
+ WREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET, tmp);
+ }
+
+ if (reset_mask & RADEON_RESET_DMA1) {
+ /* dma1 */
+ tmp = RREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET);
+ tmp &= ~DMA_RB_ENABLE;
+ WREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET, tmp);
+ }
+
+ udelay(50);
+
evergreen_mc_stop(rdev, &save);
if (evergreen_mc_wait_for_idle(rdev)) {
dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
}
- /* Disable CP parsing/prefetching */
- WREG32(CP_ME_CNTL, CP_ME_HALT | CP_PFP_HALT);
- /* reset all the gfx blocks */
- grbm_reset = (SOFT_RESET_CP |
- SOFT_RESET_CB |
- SOFT_RESET_DB |
- SOFT_RESET_GDS |
- SOFT_RESET_PA |
- SOFT_RESET_SC |
- SOFT_RESET_SPI |
- SOFT_RESET_SH |
- SOFT_RESET_SX |
- SOFT_RESET_TC |
- SOFT_RESET_TA |
- SOFT_RESET_VGT |
- SOFT_RESET_IA);
-
- dev_info(rdev->dev, " GRBM_SOFT_RESET=0x%08X\n", grbm_reset);
- WREG32(GRBM_SOFT_RESET, grbm_reset);
- (void)RREG32(GRBM_SOFT_RESET);
- udelay(50);
- WREG32(GRBM_SOFT_RESET, 0);
- (void)RREG32(GRBM_SOFT_RESET);
+ if (reset_mask & (RADEON_RESET_GFX | RADEON_RESET_COMPUTE)) {
+ grbm_soft_reset = SOFT_RESET_CB |
+ SOFT_RESET_DB |
+ SOFT_RESET_GDS |
+ SOFT_RESET_PA |
+ SOFT_RESET_SC |
+ SOFT_RESET_SPI |
+ SOFT_RESET_SH |
+ SOFT_RESET_SX |
+ SOFT_RESET_TC |
+ SOFT_RESET_TA |
+ SOFT_RESET_VGT |
+ SOFT_RESET_IA;
+ }
+
+ if (reset_mask & RADEON_RESET_CP) {
+ grbm_soft_reset |= SOFT_RESET_CP | SOFT_RESET_VGT;
+
+ srbm_soft_reset |= SOFT_RESET_GRBM;
+ }
+
+ if (reset_mask & RADEON_RESET_DMA)
+ srbm_soft_reset |= SOFT_RESET_DMA;
+
+ if (reset_mask & RADEON_RESET_DMA1)
+ srbm_soft_reset |= SOFT_RESET_DMA1;
+
+ if (reset_mask & RADEON_RESET_DISPLAY)
+ srbm_soft_reset |= SOFT_RESET_DC;
+
+ if (reset_mask & RADEON_RESET_RLC)
+ srbm_soft_reset |= SOFT_RESET_RLC;
+
+ if (reset_mask & RADEON_RESET_SEM)
+ srbm_soft_reset |= SOFT_RESET_SEM;
+
+ if (reset_mask & RADEON_RESET_IH)
+ srbm_soft_reset |= SOFT_RESET_IH;
+
+ if (reset_mask & RADEON_RESET_GRBM)
+ srbm_soft_reset |= SOFT_RESET_GRBM;
+
+ if (reset_mask & RADEON_RESET_VMC)
+ srbm_soft_reset |= SOFT_RESET_VMC;
+
+ if (reset_mask & RADEON_RESET_MC)
+ srbm_soft_reset |= SOFT_RESET_MC;
+
+ if (grbm_soft_reset) {
+ tmp = RREG32(GRBM_SOFT_RESET);
+ tmp |= grbm_soft_reset;
+ dev_info(rdev->dev, "GRBM_SOFT_RESET=0x%08X\n", tmp);
+ WREG32(GRBM_SOFT_RESET, tmp);
+ tmp = RREG32(GRBM_SOFT_RESET);
+
+ udelay(50);
+
+ tmp &= ~grbm_soft_reset;
+ WREG32(GRBM_SOFT_RESET, tmp);
+ tmp = RREG32(GRBM_SOFT_RESET);
+ }
+
+ if (srbm_soft_reset) {
+ tmp = RREG32(SRBM_SOFT_RESET);
+ tmp |= srbm_soft_reset;
+ dev_info(rdev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
+ WREG32(SRBM_SOFT_RESET, tmp);
+ tmp = RREG32(SRBM_SOFT_RESET);
+
+ udelay(50);
+
+ tmp &= ~srbm_soft_reset;
+ WREG32(SRBM_SOFT_RESET, tmp);
+ tmp = RREG32(SRBM_SOFT_RESET);
+ }
+
/* Wait a little for things to settle down */
udelay(50);
- dev_info(rdev->dev, " GRBM_STATUS=0x%08X\n",
- RREG32(GRBM_STATUS));
- dev_info(rdev->dev, " GRBM_STATUS_SE0=0x%08X\n",
- RREG32(GRBM_STATUS_SE0));
- dev_info(rdev->dev, " GRBM_STATUS_SE1=0x%08X\n",
- RREG32(GRBM_STATUS_SE1));
- dev_info(rdev->dev, " SRBM_STATUS=0x%08X\n",
- RREG32(SRBM_STATUS));
- dev_info(rdev->dev, " R_008674_CP_STALLED_STAT1 = 0x%08X\n",
- RREG32(CP_STALLED_STAT1));
- dev_info(rdev->dev, " R_008678_CP_STALLED_STAT2 = 0x%08X\n",
- RREG32(CP_STALLED_STAT2));
- dev_info(rdev->dev, " R_00867C_CP_BUSY_STAT = 0x%08X\n",
- RREG32(CP_BUSY_STAT));
- dev_info(rdev->dev, " R_008680_CP_STAT = 0x%08X\n",
- RREG32(CP_STAT));
evergreen_mc_resume(rdev, &save);
- return 0;
+ udelay(50);
+
+ evergreen_print_gpu_status_regs(rdev);
}
int cayman_asic_reset(struct radeon_device *rdev)
{
- return cayman_gpu_soft_reset(rdev);
+ u32 reset_mask;
+
+ reset_mask = cayman_gpu_check_soft_reset(rdev);
+
+ if (reset_mask)
+ r600_set_bios_scratch_engine_hung(rdev, true);
+
+ cayman_gpu_soft_reset(rdev, reset_mask);
+
+ reset_mask = cayman_gpu_check_soft_reset(rdev);
+
+ if (!reset_mask)
+ r600_set_bios_scratch_engine_hung(rdev, false);
+
+ return 0;
+}
+
+/**
+ * cayman_gfx_is_lockup - Check if the GFX engine is locked up
+ *
+ * @rdev: radeon_device pointer
+ * @ring: radeon_ring structure holding ring information
+ *
+ * Check if the GFX engine is locked up.
+ * Returns true if the engine appears to be locked up, false if not.
+ */
+bool cayman_gfx_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring)
+{
+ u32 reset_mask = cayman_gpu_check_soft_reset(rdev);
+
+ if (!(reset_mask & (RADEON_RESET_GFX |
+ RADEON_RESET_COMPUTE |
+ RADEON_RESET_CP))) {
+ radeon_ring_lockup_update(ring);
+ return false;
+ }
+ /* force CP activities */
+ radeon_ring_force_activity(rdev, ring);
+ return radeon_ring_test_lockup(rdev, ring);
}
/**
* @rdev: radeon_device pointer
* @ring: radeon_ring structure holding ring information
*
- * Check if the async DMA engine is locked up (cayman-SI).
+ * Check if the async DMA engine is locked up.
* Returns true if the engine appears to be locked up, false if not.
*/
bool cayman_dma_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring)
{
- u32 dma_status_reg;
+ u32 reset_mask = cayman_gpu_check_soft_reset(rdev);
+ u32 mask;
if (ring->idx == R600_RING_TYPE_DMA_INDEX)
- dma_status_reg = RREG32(DMA_STATUS_REG + DMA0_REGISTER_OFFSET);
+ mask = RADEON_RESET_DMA;
else
- dma_status_reg = RREG32(DMA_STATUS_REG + DMA1_REGISTER_OFFSET);
- if (dma_status_reg & DMA_IDLE) {
+ mask = RADEON_RESET_DMA1;
+
+ if (!(reset_mask & mask)) {
radeon_ring_lockup_update(ring);
return false;
}
projects / linux-2.6-block.git / blobdiff