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path: root/drivers/gpu/drm/panfrost
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Diffstat (limited to 'drivers/gpu/drm/panfrost')
-rw-r--r--drivers/gpu/drm/panfrost/panfrost_devfreq.c9
-rw-r--r--drivers/gpu/drm/panfrost/panfrost_device.c1
-rw-r--r--drivers/gpu/drm/panfrost/panfrost_device.h1
-rw-r--r--drivers/gpu/drm/panfrost/panfrost_drv.c17
-rw-r--r--drivers/gpu/drm/panfrost/panfrost_gpu.c1
-rw-r--r--drivers/gpu/drm/panfrost/panfrost_job.c2
-rw-r--r--drivers/gpu/drm/panfrost/panfrost_regs.h1
7 files changed, 27 insertions, 5 deletions
diff --git a/drivers/gpu/drm/panfrost/panfrost_devfreq.c b/drivers/gpu/drm/panfrost/panfrost_devfreq.c
index 47d27e54a34f..3644652f726f 100644
--- a/drivers/gpu/drm/panfrost/panfrost_devfreq.c
+++ b/drivers/gpu/drm/panfrost/panfrost_devfreq.c
@@ -92,6 +92,15 @@ int panfrost_devfreq_init(struct panfrost_device *pfdev)
struct thermal_cooling_device *cooling;
struct panfrost_devfreq *pfdevfreq = &pfdev->pfdevfreq;
+ if (pfdev->comp->num_supplies > 1) {
+ /*
+ * GPUs with more than 1 supply require platform-specific handling:
+ * continue without devfreq
+ */
+ DRM_DEV_INFO(dev, "More than 1 supply is not supported yet\n");
+ return 0;
+ }
+
ret = devm_pm_opp_set_regulators(dev, pfdev->comp->supply_names,
pfdev->comp->num_supplies);
if (ret) {
diff --git a/drivers/gpu/drm/panfrost/panfrost_device.c b/drivers/gpu/drm/panfrost/panfrost_device.c
index fbcf5edbe367..125ed973feaa 100644
--- a/drivers/gpu/drm/panfrost/panfrost_device.c
+++ b/drivers/gpu/drm/panfrost/panfrost_device.c
@@ -238,7 +238,6 @@ int panfrost_device_init(struct panfrost_device *pfdev)
res = platform_get_resource(pfdev->pdev, IORESOURCE_MEM, 0);
pfdev->iomem = devm_ioremap_resource(pfdev->dev, res);
if (IS_ERR(pfdev->iomem)) {
- dev_err(pfdev->dev, "failed to ioremap iomem\n");
err = PTR_ERR(pfdev->iomem);
goto out_pm_domain;
}
diff --git a/drivers/gpu/drm/panfrost/panfrost_device.h b/drivers/gpu/drm/panfrost/panfrost_device.h
index 597cf1459b0a..f614e98771e4 100644
--- a/drivers/gpu/drm/panfrost/panfrost_device.h
+++ b/drivers/gpu/drm/panfrost/panfrost_device.h
@@ -45,6 +45,7 @@ struct panfrost_features {
u32 thread_max_workgroup_sz;
u32 thread_max_barrier_sz;
u32 coherency_features;
+ u32 afbc_features;
u32 texture_features[4];
u32 js_features[16];
diff --git a/drivers/gpu/drm/panfrost/panfrost_drv.c b/drivers/gpu/drm/panfrost/panfrost_drv.c
index 83a461bdeea8..075ec0ef746c 100644
--- a/drivers/gpu/drm/panfrost/panfrost_drv.c
+++ b/drivers/gpu/drm/panfrost/panfrost_drv.c
@@ -63,6 +63,7 @@ static int panfrost_ioctl_get_param(struct drm_device *ddev, void *data, struct
PANFROST_FEATURE(THREAD_MAX_BARRIER_SZ,
thread_max_barrier_sz);
PANFROST_FEATURE(COHERENCY_FEATURES, coherency_features);
+ PANFROST_FEATURE(AFBC_FEATURES, afbc_features);
PANFROST_FEATURE_ARRAY(TEXTURE_FEATURES, texture_features, 3);
PANFROST_FEATURE_ARRAY(JS_FEATURES, js_features, 15);
PANFROST_FEATURE(NR_CORE_GROUPS, nr_core_groups);
@@ -311,8 +312,7 @@ panfrost_ioctl_wait_bo(struct drm_device *dev, void *data,
if (!gem_obj)
return -ENOENT;
- ret = dma_resv_wait_timeout_rcu(gem_obj->resv, true,
- true, timeout);
+ ret = dma_resv_wait_timeout(gem_obj->resv, true, true, timeout);
if (!ret)
ret = timeout ? -ETIMEDOUT : -EBUSY;
@@ -547,6 +547,7 @@ DEFINE_DRM_GEM_FOPS(panfrost_drm_driver_fops);
* Panfrost driver version:
* - 1.0 - initial interface
* - 1.1 - adds HEAP and NOEXEC flags for CREATE_BO
+ * - 1.2 - adds AFBC_FEATURES query
*/
static const struct drm_driver panfrost_drm_driver = {
.driver_features = DRIVER_RENDER | DRIVER_GEM | DRIVER_SYNCOBJ,
@@ -559,7 +560,7 @@ static const struct drm_driver panfrost_drm_driver = {
.desc = "panfrost DRM",
.date = "20180908",
.major = 1,
- .minor = 1,
+ .minor = 2,
.gem_create_object = panfrost_gem_create_object,
.prime_handle_to_fd = drm_gem_prime_handle_to_fd,
@@ -665,6 +666,15 @@ static const struct panfrost_compatible amlogic_data = {
.vendor_quirk = panfrost_gpu_amlogic_quirk,
};
+const char * const mediatek_mt8183_supplies[] = { "mali", "sram" };
+const char * const mediatek_mt8183_pm_domains[] = { "core0", "core1", "core2" };
+static const struct panfrost_compatible mediatek_mt8183_data = {
+ .num_supplies = ARRAY_SIZE(mediatek_mt8183_supplies),
+ .supply_names = mediatek_mt8183_supplies,
+ .num_pm_domains = ARRAY_SIZE(mediatek_mt8183_pm_domains),
+ .pm_domain_names = mediatek_mt8183_pm_domains,
+};
+
static const struct of_device_id dt_match[] = {
/* Set first to probe before the generic compatibles */
{ .compatible = "amlogic,meson-gxm-mali",
@@ -681,6 +691,7 @@ static const struct of_device_id dt_match[] = {
{ .compatible = "arm,mali-t860", .data = &default_data, },
{ .compatible = "arm,mali-t880", .data = &default_data, },
{ .compatible = "arm,mali-bifrost", .data = &default_data, },
+ { .compatible = "mediatek,mt8183-mali", .data = &mediatek_mt8183_data },
{}
};
MODULE_DEVICE_TABLE(of, dt_match);
diff --git a/drivers/gpu/drm/panfrost/panfrost_gpu.c b/drivers/gpu/drm/panfrost/panfrost_gpu.c
index 2aae636f1cf5..0e70e27fd8c3 100644
--- a/drivers/gpu/drm/panfrost/panfrost_gpu.c
+++ b/drivers/gpu/drm/panfrost/panfrost_gpu.c
@@ -228,6 +228,7 @@ static void panfrost_gpu_init_features(struct panfrost_device *pfdev)
pfdev->features.thread_max_workgroup_sz = gpu_read(pfdev, GPU_THREAD_MAX_WORKGROUP_SIZE);
pfdev->features.thread_max_barrier_sz = gpu_read(pfdev, GPU_THREAD_MAX_BARRIER_SIZE);
pfdev->features.coherency_features = gpu_read(pfdev, GPU_COHERENCY_FEATURES);
+ pfdev->features.afbc_features = gpu_read(pfdev, GPU_AFBC_FEATURES);
for (i = 0; i < 4; i++)
pfdev->features.texture_features[i] = gpu_read(pfdev, GPU_TEXTURE_FEATURES(i));
diff --git a/drivers/gpu/drm/panfrost/panfrost_job.c b/drivers/gpu/drm/panfrost/panfrost_job.c
index 6003cfeb1322..2df3e999a38d 100644
--- a/drivers/gpu/drm/panfrost/panfrost_job.c
+++ b/drivers/gpu/drm/panfrost/panfrost_job.c
@@ -203,7 +203,7 @@ static void panfrost_acquire_object_fences(struct drm_gem_object **bos,
int i;
for (i = 0; i < bo_count; i++)
- implicit_fences[i] = dma_resv_get_excl_rcu(bos[i]->resv);
+ implicit_fences[i] = dma_resv_get_excl_unlocked(bos[i]->resv);
}
static void panfrost_attach_object_fences(struct drm_gem_object **bos,
diff --git a/drivers/gpu/drm/panfrost/panfrost_regs.h b/drivers/gpu/drm/panfrost/panfrost_regs.h
index eddaa62ad8b0..dc9df5457f1c 100644
--- a/drivers/gpu/drm/panfrost/panfrost_regs.h
+++ b/drivers/gpu/drm/panfrost/panfrost_regs.h
@@ -82,6 +82,7 @@
#define GPU_TEXTURE_FEATURES(n) (0x0B0 + ((n) * 4))
#define GPU_JS_FEATURES(n) (0x0C0 + ((n) * 4))
+#define GPU_AFBC_FEATURES (0x4C) /* (RO) AFBC support on Bifrost */
#define GPU_SHADER_PRESENT_LO 0x100 /* (RO) Shader core present bitmap, low word */
#define GPU_SHADER_PRESENT_HI 0x104 /* (RO) Shader core present bitmap, high word */