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Diffstat (limited to 'drivers/gpu/drm/msm/adreno')
-rw-r--r--drivers/gpu/drm/msm/adreno/a5xx_gpu.c21
-rw-r--r--drivers/gpu/drm/msm/adreno/adreno_device.c62
-rw-r--r--drivers/gpu/drm/msm/adreno/adreno_gpu.c1
-rw-r--r--drivers/gpu/drm/msm/adreno/adreno_gpu.h4
4 files changed, 66 insertions, 22 deletions
diff --git a/drivers/gpu/drm/msm/adreno/a5xx_gpu.c b/drivers/gpu/drm/msm/adreno/a5xx_gpu.c
index b8647198c11c..4414cf73735d 100644
--- a/drivers/gpu/drm/msm/adreno/a5xx_gpu.c
+++ b/drivers/gpu/drm/msm/adreno/a5xx_gpu.c
@@ -12,6 +12,7 @@
*/
#include "msm_gem.h"
+#include "msm_mmu.h"
#include "a5xx_gpu.h"
extern bool hang_debug;
@@ -327,7 +328,7 @@ static int a5xx_hw_init(struct msm_gpu *gpu)
/* Enable RBBM error reporting bits */
gpu_write(gpu, REG_A5XX_RBBM_AHB_CNTL0, 0x00000001);
- if (adreno_gpu->quirks & ADRENO_QUIRK_FAULT_DETECT_MASK) {
+ if (adreno_gpu->info->quirks & ADRENO_QUIRK_FAULT_DETECT_MASK) {
/*
* Mask out the activity signals from RB1-3 to avoid false
* positives
@@ -381,7 +382,7 @@ static int a5xx_hw_init(struct msm_gpu *gpu)
gpu_write(gpu, REG_A5XX_PC_DBG_ECO_CNTL, (0x400 << 11 | 0x300 << 22));
- if (adreno_gpu->quirks & ADRENO_QUIRK_TWO_PASS_USE_WFI)
+ if (adreno_gpu->info->quirks & ADRENO_QUIRK_TWO_PASS_USE_WFI)
gpu_rmw(gpu, REG_A5XX_PC_DBG_ECO_CNTL, 0, (1 << 8));
gpu_write(gpu, REG_A5XX_PC_DBG_ECO_CNTL, 0xc0200100);
@@ -573,6 +574,19 @@ static bool a5xx_idle(struct msm_gpu *gpu)
return true;
}
+static int a5xx_fault_handler(void *arg, unsigned long iova, int flags)
+{
+ struct msm_gpu *gpu = arg;
+ pr_warn_ratelimited("*** gpu fault: iova=%08lx, flags=%d (%u,%u,%u,%u)\n",
+ iova, flags,
+ gpu_read(gpu, REG_A5XX_CP_SCRATCH_REG(4)),
+ gpu_read(gpu, REG_A5XX_CP_SCRATCH_REG(5)),
+ gpu_read(gpu, REG_A5XX_CP_SCRATCH_REG(6)),
+ gpu_read(gpu, REG_A5XX_CP_SCRATCH_REG(7)));
+
+ return -EFAULT;
+}
+
static void a5xx_cp_err_irq(struct msm_gpu *gpu)
{
u32 status = gpu_read(gpu, REG_A5XX_CP_INTERRUPT_STATUS);
@@ -884,5 +898,8 @@ struct msm_gpu *a5xx_gpu_init(struct drm_device *dev)
return ERR_PTR(ret);
}
+ if (gpu->aspace)
+ msm_mmu_set_fault_handler(gpu->aspace->mmu, gpu, a5xx_fault_handler);
+
return gpu;
}
diff --git a/drivers/gpu/drm/msm/adreno/adreno_device.c b/drivers/gpu/drm/msm/adreno/adreno_device.c
index 893eb2b2531b..ece39b16a864 100644
--- a/drivers/gpu/drm/msm/adreno/adreno_device.c
+++ b/drivers/gpu/drm/msm/adreno/adreno_device.c
@@ -75,12 +75,14 @@ static const struct adreno_info gpulist[] = {
.gmem = (SZ_1M + SZ_512K),
.init = a4xx_gpu_init,
}, {
- .rev = ADRENO_REV(5, 3, 0, ANY_ID),
+ .rev = ADRENO_REV(5, 3, 0, 2),
.revn = 530,
.name = "A530",
.pm4fw = "a530_pm4.fw",
.pfpfw = "a530_pfp.fw",
.gmem = SZ_1M,
+ .quirks = ADRENO_QUIRK_TWO_PASS_USE_WFI |
+ ADRENO_QUIRK_FAULT_DETECT_MASK,
.init = a5xx_gpu_init,
.gpmufw = "a530v3_gpmu.fw2",
},
@@ -181,22 +183,51 @@ static void set_gpu_pdev(struct drm_device *dev,
priv->gpu_pdev = pdev;
}
-static const struct {
- const char *str;
- uint32_t flag;
-} quirks[] = {
- { "qcom,gpu-quirk-two-pass-use-wfi", ADRENO_QUIRK_TWO_PASS_USE_WFI },
- { "qcom,gpu-quirk-fault-detect-mask", ADRENO_QUIRK_FAULT_DETECT_MASK },
-};
+static int find_chipid(struct device *dev, u32 *chipid)
+{
+ struct device_node *node = dev->of_node;
+ const char *compat;
+ int ret;
+
+ /* first search the compat strings for qcom,adreno-XYZ.W: */
+ ret = of_property_read_string_index(node, "compatible", 0, &compat);
+ if (ret == 0) {
+ unsigned rev, patch;
+
+ if (sscanf(compat, "qcom,adreno-%u.%u", &rev, &patch) == 2) {
+ *chipid = 0;
+ *chipid |= (rev / 100) << 24; /* core */
+ rev %= 100;
+ *chipid |= (rev / 10) << 16; /* major */
+ rev %= 10;
+ *chipid |= rev << 8; /* minor */
+ *chipid |= patch;
+
+ return 0;
+ }
+ }
+
+ /* and if that fails, fall back to legacy "qcom,chipid" property: */
+ ret = of_property_read_u32(node, "qcom,chipid", chipid);
+ if (ret)
+ return ret;
+
+ dev_warn(dev, "Using legacy qcom,chipid binding!\n");
+ dev_warn(dev, "Use compatible qcom,adreno-%u%u%u.%u instead.\n",
+ (*chipid >> 24) & 0xff, (*chipid >> 16) & 0xff,
+ (*chipid >> 8) & 0xff, *chipid & 0xff);
+
+ return 0;
+}
static int adreno_bind(struct device *dev, struct device *master, void *data)
{
static struct adreno_platform_config config = {};
struct device_node *child, *node = dev->of_node;
u32 val;
- int ret, i;
+ int ret;
- ret = of_property_read_u32(node, "qcom,chipid", &val);
+ ret = find_chipid(dev, &val);
if (ret) {
dev_err(dev, "could not find chipid: %d\n", ret);
return ret;
@@ -224,14 +255,12 @@ static int adreno_bind(struct device *dev, struct device *master, void *data)
}
if (!config.fast_rate) {
- dev_err(dev, "could not find clk rates\n");
- return -ENXIO;
+ dev_warn(dev, "could not find clk rates\n");
+ /* This is a safe low speed for all devices: */
+ config.fast_rate = 200000000;
+ config.slow_rate = 27000000;
}
- for (i = 0; i < ARRAY_SIZE(quirks); i++)
- if (of_property_read_bool(node, quirks[i].str))
- config.quirks |= quirks[i].flag;
-
dev->platform_data = &config;
set_gpu_pdev(dev_get_drvdata(master), to_platform_device(dev));
return 0;
@@ -260,6 +289,7 @@ static int adreno_remove(struct platform_device *pdev)
}
static const struct of_device_id dt_match[] = {
+ { .compatible = "qcom,adreno" },
{ .compatible = "qcom,adreno-3xx" },
/* for backwards compat w/ downstream kgsl DT files: */
{ .compatible = "qcom,kgsl-3d0" },
diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.c b/drivers/gpu/drm/msm/adreno/adreno_gpu.c
index 686a580c711a..c9bd1e6225f4 100644
--- a/drivers/gpu/drm/msm/adreno/adreno_gpu.c
+++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.c
@@ -352,7 +352,6 @@ int adreno_gpu_init(struct drm_device *drm, struct platform_device *pdev,
adreno_gpu->gmem = adreno_gpu->info->gmem;
adreno_gpu->revn = adreno_gpu->info->revn;
adreno_gpu->rev = config->rev;
- adreno_gpu->quirks = config->quirks;
gpu->fast_rate = config->fast_rate;
gpu->slow_rate = config->slow_rate;
diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.h b/drivers/gpu/drm/msm/adreno/adreno_gpu.h
index e8d55b0306ed..42e444a67630 100644
--- a/drivers/gpu/drm/msm/adreno/adreno_gpu.h
+++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.h
@@ -75,6 +75,7 @@ struct adreno_info {
const char *pm4fw, *pfpfw;
const char *gpmufw;
uint32_t gmem;
+ enum adreno_quirks quirks;
struct msm_gpu *(*init)(struct drm_device *dev);
};
@@ -116,8 +117,6 @@ struct adreno_gpu {
* code (a3xx_gpu.c) and stored in this common location.
*/
const unsigned int *reg_offsets;
-
- uint32_t quirks;
};
#define to_adreno_gpu(x) container_of(x, struct adreno_gpu, base)
@@ -128,7 +127,6 @@ struct adreno_platform_config {
#ifdef DOWNSTREAM_CONFIG_MSM_BUS_SCALING
struct msm_bus_scale_pdata *bus_scale_table;
#endif
- uint32_t quirks;
};
#define ADRENO_IDLE_TIMEOUT msecs_to_jiffies(1000)