diff options
Diffstat (limited to 'drivers/gpu/drm/msm/adreno')
| -rw-r--r-- | drivers/gpu/drm/msm/adreno/a3xx_gpu.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/msm/adreno/a4xx_gpu.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/msm/adreno/a6xx.xml.h | 4 | ||||
| -rw-r--r-- | drivers/gpu/drm/msm/adreno/a6xx_gmu.c | 83 | ||||
| -rw-r--r-- | drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 45 |
5 files changed, 99 insertions, 37 deletions
diff --git a/drivers/gpu/drm/msm/adreno/a3xx_gpu.c b/drivers/gpu/drm/msm/adreno/a3xx_gpu.c index 0ab0e1dd8bbb..2c8b9899625b 100644 --- a/drivers/gpu/drm/msm/adreno/a3xx_gpu.c +++ b/drivers/gpu/drm/msm/adreno/a3xx_gpu.c @@ -68,7 +68,7 @@ static void a3xx_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit) /* BIT(31) of CACHE_FLUSH_TS triggers CACHE_FLUSH_TS IRQ from GPU */ OUT_PKT3(ring, CP_EVENT_WRITE, 3); - OUT_RING(ring, CACHE_FLUSH_TS | BIT(31)); + OUT_RING(ring, CACHE_FLUSH_TS | CP_EVENT_WRITE_0_IRQ); OUT_RING(ring, rbmemptr(ring, fence)); OUT_RING(ring, submit->seqno); diff --git a/drivers/gpu/drm/msm/adreno/a4xx_gpu.c b/drivers/gpu/drm/msm/adreno/a4xx_gpu.c index 0c6b2a6d0b4c..7cb8d9849c07 100644 --- a/drivers/gpu/drm/msm/adreno/a4xx_gpu.c +++ b/drivers/gpu/drm/msm/adreno/a4xx_gpu.c @@ -62,7 +62,7 @@ static void a4xx_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit) /* BIT(31) of CACHE_FLUSH_TS triggers CACHE_FLUSH_TS IRQ from GPU */ OUT_PKT3(ring, CP_EVENT_WRITE, 3); - OUT_RING(ring, CACHE_FLUSH_TS | BIT(31)); + OUT_RING(ring, CACHE_FLUSH_TS | CP_EVENT_WRITE_0_IRQ); OUT_RING(ring, rbmemptr(ring, fence)); OUT_RING(ring, submit->seqno); diff --git a/drivers/gpu/drm/msm/adreno/a6xx.xml.h b/drivers/gpu/drm/msm/adreno/a6xx.xml.h index b03e2c413ab1..beea4a7fc1df 100644 --- a/drivers/gpu/drm/msm/adreno/a6xx.xml.h +++ b/drivers/gpu/drm/msm/adreno/a6xx.xml.h @@ -1413,6 +1413,10 @@ static inline uint32_t REG_A6XX_RBBM_PERFCTR_RBBM_SEL(uint32_t i0) { return 0x00 #define REG_A6XX_RBBM_GBIF_CLIENT_QOS_CNTL 0x00000011 +#define REG_A6XX_RBBM_GBIF_HALT 0x00000016 + +#define REG_A6XX_RBBM_GBIF_HALT_ACK 0x00000017 + #define REG_A6XX_RBBM_WAIT_FOR_GPU_IDLE_CMD 0x0000001c #define A6XX_RBBM_WAIT_FOR_GPU_IDLE_CMD_WAIT_GPU_IDLE 0x00000001 diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gmu.c b/drivers/gpu/drm/msm/adreno/a6xx_gmu.c index 310a317885a1..e033d6a67a20 100644 --- a/drivers/gpu/drm/msm/adreno/a6xx_gmu.c +++ b/drivers/gpu/drm/msm/adreno/a6xx_gmu.c @@ -873,9 +873,47 @@ static void a6xx_gmu_rpmh_off(struct a6xx_gmu *gmu) (val & 1), 100, 1000); } +#define GBIF_CLIENT_HALT_MASK BIT(0) +#define GBIF_ARB_HALT_MASK BIT(1) + +static void a6xx_bus_clear_pending_transactions(struct adreno_gpu *adreno_gpu) +{ + struct msm_gpu *gpu = &adreno_gpu->base; + + if (!a6xx_has_gbif(adreno_gpu)) { + gpu_write(gpu, REG_A6XX_VBIF_XIN_HALT_CTRL0, 0xf); + spin_until((gpu_read(gpu, REG_A6XX_VBIF_XIN_HALT_CTRL1) & + 0xf) == 0xf); + gpu_write(gpu, REG_A6XX_VBIF_XIN_HALT_CTRL0, 0); + + return; + } + + /* Halt the gx side of GBIF */ + gpu_write(gpu, REG_A6XX_RBBM_GBIF_HALT, 1); + spin_until(gpu_read(gpu, REG_A6XX_RBBM_GBIF_HALT_ACK) & 1); + + /* Halt new client requests on GBIF */ + gpu_write(gpu, REG_A6XX_GBIF_HALT, GBIF_CLIENT_HALT_MASK); + spin_until((gpu_read(gpu, REG_A6XX_GBIF_HALT_ACK) & + (GBIF_CLIENT_HALT_MASK)) == GBIF_CLIENT_HALT_MASK); + + /* Halt all AXI requests on GBIF */ + gpu_write(gpu, REG_A6XX_GBIF_HALT, GBIF_ARB_HALT_MASK); + spin_until((gpu_read(gpu, REG_A6XX_GBIF_HALT_ACK) & + (GBIF_ARB_HALT_MASK)) == GBIF_ARB_HALT_MASK); + + /* The GBIF halt needs to be explicitly cleared */ + gpu_write(gpu, REG_A6XX_GBIF_HALT, 0x0); +} + /* Force the GMU off in case it isn't responsive */ static void a6xx_gmu_force_off(struct a6xx_gmu *gmu) { + struct a6xx_gpu *a6xx_gpu = container_of(gmu, struct a6xx_gpu, gmu); + struct adreno_gpu *adreno_gpu = &a6xx_gpu->base; + struct msm_gpu *gpu = &adreno_gpu->base; + /* Flush all the queues */ a6xx_hfi_stop(gmu); @@ -887,6 +925,15 @@ static void a6xx_gmu_force_off(struct a6xx_gmu *gmu) /* Make sure there are no outstanding RPMh votes */ a6xx_gmu_rpmh_off(gmu); + + /* Halt the gmu cm3 core */ + gmu_write(gmu, REG_A6XX_GMU_CM3_SYSRESET, 1); + + a6xx_bus_clear_pending_transactions(adreno_gpu); + + /* Reset GPU core blocks */ + gpu_write(gpu, REG_A6XX_RBBM_SW_RESET_CMD, 1); + udelay(100); } static void a6xx_gmu_set_initial_freq(struct msm_gpu *gpu, struct a6xx_gmu *gmu) @@ -1014,36 +1061,6 @@ bool a6xx_gmu_isidle(struct a6xx_gmu *gmu) return true; } -#define GBIF_CLIENT_HALT_MASK BIT(0) -#define GBIF_ARB_HALT_MASK BIT(1) - -static void a6xx_bus_clear_pending_transactions(struct adreno_gpu *adreno_gpu) -{ - struct msm_gpu *gpu = &adreno_gpu->base; - - if (!a6xx_has_gbif(adreno_gpu)) { - gpu_write(gpu, REG_A6XX_VBIF_XIN_HALT_CTRL0, 0xf); - spin_until((gpu_read(gpu, REG_A6XX_VBIF_XIN_HALT_CTRL1) & - 0xf) == 0xf); - gpu_write(gpu, REG_A6XX_VBIF_XIN_HALT_CTRL0, 0); - - return; - } - - /* Halt new client requests on GBIF */ - gpu_write(gpu, REG_A6XX_GBIF_HALT, GBIF_CLIENT_HALT_MASK); - spin_until((gpu_read(gpu, REG_A6XX_GBIF_HALT_ACK) & - (GBIF_CLIENT_HALT_MASK)) == GBIF_CLIENT_HALT_MASK); - - /* Halt all AXI requests on GBIF */ - gpu_write(gpu, REG_A6XX_GBIF_HALT, GBIF_ARB_HALT_MASK); - spin_until((gpu_read(gpu, REG_A6XX_GBIF_HALT_ACK) & - (GBIF_ARB_HALT_MASK)) == GBIF_ARB_HALT_MASK); - - /* The GBIF halt needs to be explicitly cleared */ - gpu_write(gpu, REG_A6XX_GBIF_HALT, 0x0); -} - /* Gracefully try to shut down the GMU and by extension the GPU */ static void a6xx_gmu_shutdown(struct a6xx_gmu *gmu) { @@ -1069,7 +1086,11 @@ static void a6xx_gmu_shutdown(struct a6xx_gmu *gmu) a6xx_bus_clear_pending_transactions(adreno_gpu); /* tell the GMU we want to slumber */ - a6xx_gmu_notify_slumber(gmu); + ret = a6xx_gmu_notify_slumber(gmu); + if (ret) { + a6xx_gmu_force_off(gmu); + return; + } ret = gmu_poll_timeout(gmu, REG_A6XX_GPU_GMU_AO_GPU_CX_BUSY_STATUS, val, diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c index 4d501100b9e4..fdc578016e0b 100644 --- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c +++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c @@ -10,6 +10,7 @@ #include <linux/bitfield.h> #include <linux/devfreq.h> +#include <linux/reset.h> #include <linux/soc/qcom/llcc-qcom.h> #define GPU_PAS_ID 13 @@ -146,7 +147,7 @@ static void a6xx_set_pagetable(struct a6xx_gpu *a6xx_gpu, */ OUT_PKT7(ring, CP_EVENT_WRITE, 1); - OUT_RING(ring, 0x31); + OUT_RING(ring, CACHE_INVALIDATE); if (!sysprof) { /* @@ -987,6 +988,10 @@ static int hw_init(struct msm_gpu *gpu) /* Make sure the GMU keeps the GPU on while we set it up */ a6xx_gmu_set_oob(&a6xx_gpu->gmu, GMU_OOB_GPU_SET); + /* Clear GBIF halt in case GX domain was not collapsed */ + if (a6xx_has_gbif(adreno_gpu)) + gpu_write(gpu, REG_A6XX_RBBM_GBIF_HALT, 0); + gpu_write(gpu, REG_A6XX_RBBM_SECVID_TSB_CNTL, 0); /* @@ -1261,7 +1266,7 @@ static void a6xx_recover(struct msm_gpu *gpu) { struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu); struct a6xx_gpu *a6xx_gpu = to_a6xx_gpu(adreno_gpu); - int i; + int i, active_submits; adreno_dump_info(gpu); @@ -1272,14 +1277,46 @@ static void a6xx_recover(struct msm_gpu *gpu) if (hang_debug) a6xx_dump(gpu); + /* Halt SQE first */ + gpu_write(gpu, REG_A6XX_CP_SQE_CNTL, 3); + /* * Turn off keep alive that might have been enabled by the hang * interrupt */ gmu_write(&a6xx_gpu->gmu, REG_A6XX_GMU_GMU_PWR_COL_KEEPALIVE, 0); - gpu->funcs->pm_suspend(gpu); - gpu->funcs->pm_resume(gpu); + pm_runtime_dont_use_autosuspend(&gpu->pdev->dev); + + /* active_submit won't change until we make a submission */ + mutex_lock(&gpu->active_lock); + active_submits = gpu->active_submits; + + /* + * Temporarily clear active_submits count to silence a WARN() in the + * runtime suspend cb + */ + gpu->active_submits = 0; + + /* Drop the rpm refcount from active submits */ + if (active_submits) + pm_runtime_put(&gpu->pdev->dev); + + /* And the final one from recover worker */ + pm_runtime_put_sync(&gpu->pdev->dev); + + /* Call into gpucc driver to poll for cx gdsc collapse */ + reset_control_reset(gpu->cx_collapse); + + pm_runtime_use_autosuspend(&gpu->pdev->dev); + + if (active_submits) + pm_runtime_get(&gpu->pdev->dev); + + pm_runtime_get_sync(&gpu->pdev->dev); + + gpu->active_submits = active_submits; + mutex_unlock(&gpu->active_lock); msm_gpu_hw_init(gpu); } |