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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_drv.c10
3 files changed, 19 insertions, 1 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_drv.c b/drivers/gpu/drm/panfrost/panfrost_drv.c
index 83a461bdeea8..ca07098a6141 100644
--- a/drivers/gpu/drm/panfrost/panfrost_drv.c
+++ b/drivers/gpu/drm/panfrost/panfrost_drv.c
@@ -665,6 +665,15 @@ 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 +690,7 @@ 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);