diff options
Diffstat (limited to 'drivers/gpu/drm/msm/adreno/a4xx_gpu.c')
| -rw-r--r-- | drivers/gpu/drm/msm/adreno/a4xx_gpu.c | 108 |
1 files changed, 99 insertions, 9 deletions
diff --git a/drivers/gpu/drm/msm/adreno/a4xx_gpu.c b/drivers/gpu/drm/msm/adreno/a4xx_gpu.c index a53f1be05f75..d0d3c7baa8fe 100644 --- a/drivers/gpu/drm/msm/adreno/a4xx_gpu.c +++ b/drivers/gpu/drm/msm/adreno/a4xx_gpu.c @@ -102,11 +102,17 @@ static void a4xx_enable_hwcg(struct msm_gpu *gpu) gpu_write(gpu, REG_A4XX_RBBM_CLOCK_DELAY_TSE_RAS_RBBM, 0x00000222); gpu_write(gpu, REG_A4XX_RBBM_CLOCK_CTL_HLSQ , 0x00000000); gpu_write(gpu, REG_A4XX_RBBM_CLOCK_HYST_HLSQ, 0x00000000); - gpu_write(gpu, REG_A4XX_RBBM_CLOCK_DELAY_HLSQ, 0x00020000); - gpu_write(gpu, REG_A4XX_RBBM_CLOCK_CTL, 0xAAAAAAAA); + gpu_write(gpu, REG_A4XX_RBBM_CLOCK_DELAY_HLSQ, 0x00220000); + /* Early A430's have a timing issue with SP/TP power collapse; + disabling HW clock gating prevents it. */ + if (adreno_is_a430(adreno_gpu) && adreno_gpu->rev.patchid < 2) + gpu_write(gpu, REG_A4XX_RBBM_CLOCK_CTL, 0); + else + gpu_write(gpu, REG_A4XX_RBBM_CLOCK_CTL, 0xAAAAAAAA); gpu_write(gpu, REG_A4XX_RBBM_CLOCK_CTL2, 0); } + static void a4xx_me_init(struct msm_gpu *gpu) { struct msm_ringbuffer *ring = gpu->rb; @@ -141,7 +147,7 @@ static int a4xx_hw_init(struct msm_gpu *gpu) uint32_t *ptr, len; int i, ret; - if (adreno_is_a4xx(adreno_gpu)) { + if (adreno_is_a420(adreno_gpu)) { gpu_write(gpu, REG_A4XX_VBIF_ABIT_SORT, 0x0001001F); gpu_write(gpu, REG_A4XX_VBIF_ABIT_SORT_CONF, 0x000000A4); gpu_write(gpu, REG_A4XX_VBIF_GATE_OFF_WRREQ_EN, 0x00000001); @@ -150,6 +156,13 @@ static int a4xx_hw_init(struct msm_gpu *gpu) gpu_write(gpu, REG_A4XX_VBIF_IN_WR_LIM_CONF0, 0x18181818); gpu_write(gpu, REG_A4XX_VBIF_IN_WR_LIM_CONF1, 0x00000018); gpu_write(gpu, REG_A4XX_VBIF_ROUND_ROBIN_QOS_ARB, 0x00000003); + } else if (adreno_is_a430(adreno_gpu)) { + gpu_write(gpu, REG_A4XX_VBIF_GATE_OFF_WRREQ_EN, 0x00000001); + gpu_write(gpu, REG_A4XX_VBIF_IN_RD_LIM_CONF0, 0x18181818); + gpu_write(gpu, REG_A4XX_VBIF_IN_RD_LIM_CONF1, 0x00000018); + gpu_write(gpu, REG_A4XX_VBIF_IN_WR_LIM_CONF0, 0x18181818); + gpu_write(gpu, REG_A4XX_VBIF_IN_WR_LIM_CONF1, 0x00000018); + gpu_write(gpu, REG_A4XX_VBIF_ROUND_ROBIN_QOS_ARB, 0x00000003); } else { BUG(); } @@ -161,6 +174,10 @@ static int a4xx_hw_init(struct msm_gpu *gpu) gpu_write(gpu, REG_A4XX_RBBM_SP_HYST_CNT, 0x10); gpu_write(gpu, REG_A4XX_RBBM_WAIT_IDLE_CLOCKS_CTL, 0x10); + if (adreno_is_a430(adreno_gpu)) { + gpu_write(gpu, REG_A4XX_RBBM_WAIT_IDLE_CLOCKS_CTL2, 0x30); + } + /* Enable the RBBM error reporting bits */ gpu_write(gpu, REG_A4XX_RBBM_AHB_CTL0, 0x00000001); @@ -183,6 +200,14 @@ static int a4xx_hw_init(struct msm_gpu *gpu) /* Turn on performance counters: */ gpu_write(gpu, REG_A4XX_RBBM_PERFCTR_CTL, 0x01); + /* use the first CP counter for timestamp queries.. userspace may set + * this as well but it selects the same counter/countable: + */ + gpu_write(gpu, REG_A4XX_CP_PERFCTR_CP_SEL_0, CP_ALWAYS_COUNT); + + if (adreno_is_a430(adreno_gpu)) + gpu_write(gpu, REG_A4XX_UCHE_CACHE_WAYS_VFD, 0x07); + /* Disable L2 bypass to avoid UCHE out of bounds errors */ gpu_write(gpu, REG_A4XX_UCHE_TRAP_BASE_LO, 0xffff0000); gpu_write(gpu, REG_A4XX_UCHE_TRAP_BASE_HI, 0xffff0000); @@ -190,6 +215,15 @@ static int a4xx_hw_init(struct msm_gpu *gpu) gpu_write(gpu, REG_A4XX_CP_DEBUG, (1 << 25) | (adreno_is_a420(adreno_gpu) ? (1 << 29) : 0)); + /* On A430 enable SP regfile sleep for power savings */ + /* TODO downstream does this for !420, so maybe applies for 405 too? */ + if (!adreno_is_a420(adreno_gpu)) { + gpu_write(gpu, REG_A4XX_RBBM_SP_REGFILE_SLEEP_CNTL_0, + 0x00000441); + gpu_write(gpu, REG_A4XX_RBBM_SP_REGFILE_SLEEP_CNTL_1, + 0x00000441); + } + a4xx_enable_hwcg(gpu); /* @@ -204,10 +238,6 @@ static int a4xx_hw_init(struct msm_gpu *gpu) gpu_write(gpu, REG_A4XX_RBBM_CLOCK_DELAY_HLSQ, val); } - ret = adreno_hw_init(gpu); - if (ret) - return ret; - /* setup access protection: */ gpu_write(gpu, REG_A4XX_CP_PROTECT_CTRL, 0x00000007); @@ -263,6 +293,7 @@ static int a4xx_hw_init(struct msm_gpu *gpu) gpu_write(gpu, REG_A4XX_CP_ME_CNTL, 0); a4xx_me_init(gpu); + return 0; } @@ -317,6 +348,13 @@ static irqreturn_t a4xx_irq(struct msm_gpu *gpu) status = gpu_read(gpu, REG_A4XX_RBBM_INT_0_STATUS); DBG("%s: Int status %08x", gpu->name, status); + if (status & A4XX_INT0_CP_REG_PROTECT_FAULT) { + uint32_t reg = gpu_read(gpu, REG_A4XX_CP_PROTECT_STATUS); + printk("CP | Protected mode error| %s | addr=%x\n", + reg & (1 << 24) ? "WRITE" : "READ", + (reg & 0xFFFFF) >> 2); + } + gpu_write(gpu, REG_A4XX_RBBM_INT_CLEAR_CMD, status); msm_gpu_retire(gpu); @@ -512,12 +550,63 @@ static void a4xx_dump(struct msm_gpu *gpu) adreno_dump(gpu); } +static int a4xx_pm_resume(struct msm_gpu *gpu) { + struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu); + int ret; + + ret = msm_gpu_pm_resume(gpu); + if (ret) + return ret; + + if (adreno_is_a430(adreno_gpu)) { + unsigned int reg; + /* Set the default register values; set SW_COLLAPSE to 0 */ + gpu_write(gpu, REG_A4XX_RBBM_POWER_CNTL_IP, 0x778000); + do { + udelay(5); + reg = gpu_read(gpu, REG_A4XX_RBBM_POWER_STATUS); + } while (!(reg & A4XX_RBBM_POWER_CNTL_IP_SP_TP_PWR_ON)); + } + return 0; +} + +static int a4xx_pm_suspend(struct msm_gpu *gpu) { + struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu); + int ret; + + ret = msm_gpu_pm_suspend(gpu); + if (ret) + return ret; + + if (adreno_is_a430(adreno_gpu)) { + /* Set the default register values; set SW_COLLAPSE to 1 */ + gpu_write(gpu, REG_A4XX_RBBM_POWER_CNTL_IP, 0x778001); + } + return 0; +} + +static int a4xx_get_timestamp(struct msm_gpu *gpu, uint64_t *value) +{ + uint32_t hi, lo, tmp; + + tmp = gpu_read(gpu, REG_A4XX_RBBM_PERFCTR_CP_0_HI); + do { + hi = tmp; + lo = gpu_read(gpu, REG_A4XX_RBBM_PERFCTR_CP_0_LO); + tmp = gpu_read(gpu, REG_A4XX_RBBM_PERFCTR_CP_0_HI); + } while (tmp != hi); + + *value = (((uint64_t)hi) << 32) | lo; + + return 0; +} + static const struct adreno_gpu_funcs funcs = { .base = { .get_param = adreno_get_param, .hw_init = a4xx_hw_init, - .pm_suspend = msm_gpu_pm_suspend, - .pm_resume = msm_gpu_pm_resume, + .pm_suspend = a4xx_pm_suspend, + .pm_resume = a4xx_pm_resume, .recover = a4xx_recover, .last_fence = adreno_last_fence, .submit = adreno_submit, @@ -529,6 +618,7 @@ static const struct adreno_gpu_funcs funcs = { .show = a4xx_show, #endif }, + .get_timestamp = a4xx_get_timestamp, }; struct msm_gpu *a4xx_gpu_init(struct drm_device *dev) |