diff options
Diffstat (limited to 'drivers/gpu/drm/meson/meson_drv.c')
| -rw-r--r-- | drivers/gpu/drm/meson/meson_drv.c | 34 |
1 files changed, 31 insertions, 3 deletions
diff --git a/drivers/gpu/drm/meson/meson_drv.c b/drivers/gpu/drm/meson/meson_drv.c index 8c2e1b47e81a..4c5aafcec799 100644 --- a/drivers/gpu/drm/meson/meson_drv.c +++ b/drivers/gpu/drm/meson/meson_drv.c @@ -11,6 +11,7 @@ #include <linux/component.h> #include <linux/module.h> #include <linux/of_graph.h> +#include <linux/sys_soc.h> #include <linux/platform_device.h> #include <linux/soc/amlogic/meson-canvas.h> @@ -183,6 +184,24 @@ static void meson_remove_framebuffers(void) kfree(ap); } +struct meson_drm_soc_attr { + struct meson_drm_soc_limits limits; + const struct soc_device_attribute *attrs; +}; + +static const struct meson_drm_soc_attr meson_drm_soc_attrs[] = { + /* S805X/S805Y HDMI PLL won't lock for HDMI PHY freq > 1,65GHz */ + { + .limits = { + .max_hdmi_phy_freq = 1650000, + }, + .attrs = (const struct soc_device_attribute []) { + { .soc_id = "GXL (S805*)", }, + { /* sentinel */ }, + } + }, +}; + static int meson_drv_bind_master(struct device *dev, bool has_components) { struct platform_device *pdev = to_platform_device(dev); @@ -191,7 +210,7 @@ static int meson_drv_bind_master(struct device *dev, bool has_components) struct drm_device *drm; struct resource *res; void __iomem *regs; - int ret; + int ret, i; /* Checks if an output connector is available */ if (!meson_vpu_has_available_connectors(dev)) { @@ -281,10 +300,20 @@ static int meson_drv_bind_master(struct device *dev, bool has_components) if (ret) goto free_drm; + /* Assign limits per soc revision/package */ + for (i = 0 ; i < ARRAY_SIZE(meson_drm_soc_attrs) ; ++i) { + if (soc_device_match(meson_drm_soc_attrs[i].attrs)) { + priv->limits = &meson_drm_soc_attrs[i].limits; + break; + } + } + /* Remove early framebuffers (ie. simplefb) */ meson_remove_framebuffers(); - drm_mode_config_init(drm); + ret = drmm_mode_config_init(drm); + if (ret) + goto free_drm; drm->mode_config.max_width = 3840; drm->mode_config.max_height = 2160; drm->mode_config.funcs = &meson_mode_config_funcs; @@ -379,7 +408,6 @@ static void meson_drv_unbind(struct device *dev) drm_dev_unregister(drm); drm_irq_uninstall(drm); drm_kms_helper_poll_fini(drm); - drm_mode_config_cleanup(drm); drm_dev_put(drm); } |