diff options
Diffstat (limited to 'drivers')
65 files changed, 907 insertions, 422 deletions
diff --git a/drivers/firmware/Kconfig b/drivers/firmware/Kconfig index afd38539b92e..71d8b26c4103 100644 --- a/drivers/firmware/Kconfig +++ b/drivers/firmware/Kconfig @@ -182,6 +182,7 @@ config MTK_ADSP_IPC config SYSFB bool select BOOT_VESA_SUPPORT + select SCREEN_INFO config SYSFB_SIMPLEFB bool "Mark VGA/VBE/EFI FB as generic system framebuffer" diff --git a/drivers/firmware/sysfb.c b/drivers/firmware/sysfb.c index 3c197db42c9d..a6b48703dc9e 100644 --- a/drivers/firmware/sysfb.c +++ b/drivers/firmware/sysfb.c @@ -29,6 +29,7 @@ #include <linux/init.h> #include <linux/kernel.h> #include <linux/mm.h> +#include <linux/pci.h> #include <linux/platform_data/simplefb.h> #include <linux/platform_device.h> #include <linux/screen_info.h> @@ -69,24 +70,70 @@ void sysfb_disable(void) } EXPORT_SYMBOL_GPL(sysfb_disable); +#if defined(CONFIG_PCI) +static __init bool sysfb_pci_dev_is_enabled(struct pci_dev *pdev) +{ + /* + * TODO: Try to integrate this code into the PCI subsystem + */ + int ret; + u16 command; + + ret = pci_read_config_word(pdev, PCI_COMMAND, &command); + if (ret != PCIBIOS_SUCCESSFUL) + return false; + if (!(command & PCI_COMMAND_MEMORY)) + return false; + return true; +} +#else +static __init bool sysfb_pci_dev_is_enabled(struct pci_dev *pdev) +{ + return false; +} +#endif + +static __init struct device *sysfb_parent_dev(const struct screen_info *si) +{ + struct pci_dev *pdev; + + pdev = screen_info_pci_dev(si); + if (IS_ERR(pdev)) { + return ERR_CAST(pdev); + } else if (pdev) { + if (!sysfb_pci_dev_is_enabled(pdev)) + return ERR_PTR(-ENODEV); + return &pdev->dev; + } + + return NULL; +} + static __init int sysfb_init(void) { struct screen_info *si = &screen_info; + struct device *parent; struct simplefb_platform_data mode; const char *name; bool compatible; int ret = 0; + screen_info_apply_fixups(); + mutex_lock(&disable_lock); if (disabled) goto unlock_mutex; sysfb_apply_efi_quirks(); + parent = sysfb_parent_dev(si); + if (IS_ERR(parent)) + goto unlock_mutex; + /* try to create a simple-framebuffer device */ compatible = sysfb_parse_mode(si, &mode); if (compatible) { - pd = sysfb_create_simplefb(si, &mode); + pd = sysfb_create_simplefb(si, &mode, parent); if (!IS_ERR(pd)) goto unlock_mutex; } @@ -109,6 +156,8 @@ static __init int sysfb_init(void) goto unlock_mutex; } + pd->dev.parent = parent; + sysfb_set_efifb_fwnode(pd); ret = platform_device_add_data(pd, si, sizeof(*si)); diff --git a/drivers/firmware/sysfb_simplefb.c b/drivers/firmware/sysfb_simplefb.c index 74363ed7501f..75a186bf8f8e 100644 --- a/drivers/firmware/sysfb_simplefb.c +++ b/drivers/firmware/sysfb_simplefb.c @@ -91,7 +91,8 @@ __init bool sysfb_parse_mode(const struct screen_info *si, } __init struct platform_device *sysfb_create_simplefb(const struct screen_info *si, - const struct simplefb_platform_data *mode) + const struct simplefb_platform_data *mode, + struct device *parent) { struct platform_device *pd; struct resource res; @@ -143,6 +144,8 @@ __init struct platform_device *sysfb_create_simplefb(const struct screen_info *s if (!pd) return ERR_PTR(-ENOMEM); + pd->dev.parent = parent; + sysfb_set_efifb_fwnode(pd); ret = platform_device_add_resources(pd, &res, 1); diff --git a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c index 8be235144f6d..1e40d451ce8c 100644 --- a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c +++ b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c @@ -604,10 +604,10 @@ static int adv7511_get_edid_block(void *data, u8 *buf, unsigned int block, * ADV75xx helpers */ -static struct edid *adv7511_get_edid(struct adv7511 *adv7511, - struct drm_connector *connector) +static const struct drm_edid *adv7511_edid_read(struct adv7511 *adv7511, + struct drm_connector *connector) { - struct edid *edid; + const struct drm_edid *drm_edid; /* Reading the EDID only works if the device is powered */ if (!adv7511->powered) { @@ -621,31 +621,44 @@ static struct edid *adv7511_get_edid(struct adv7511 *adv7511, edid_i2c_addr); } - edid = drm_do_get_edid(connector, adv7511_get_edid_block, adv7511); + drm_edid = drm_edid_read_custom(connector, adv7511_get_edid_block, adv7511); if (!adv7511->powered) __adv7511_power_off(adv7511); - adv7511_set_config_csc(adv7511, connector, adv7511->rgb, - drm_detect_hdmi_monitor(edid)); + if (drm_edid) { + /* + * FIXME: The CEC physical address should be set using + * cec_s_phys_addr(adap, + * connector->display_info.source_physical_address, false) from + * a path that has read the EDID and called + * drm_edid_connector_update(). + */ + const struct edid *edid = drm_edid_raw(drm_edid); + + adv7511_set_config_csc(adv7511, connector, adv7511->rgb, + drm_detect_hdmi_monitor(edid)); - cec_s_phys_addr_from_edid(adv7511->cec_adap, edid); + cec_s_phys_addr_from_edid(adv7511->cec_adap, edid); + } else { + cec_s_phys_addr_from_edid(adv7511->cec_adap, NULL); + } - return edid; + return drm_edid; } static int adv7511_get_modes(struct adv7511 *adv7511, struct drm_connector *connector) { - struct edid *edid; + const struct drm_edid *drm_edid; unsigned int count; - edid = adv7511_get_edid(adv7511, connector); + drm_edid = adv7511_edid_read(adv7511, connector); - drm_connector_update_edid_property(connector, edid); - count = drm_add_edid_modes(connector, edid); + drm_edid_connector_update(connector, drm_edid); + count = drm_edid_connector_add_modes(connector); - kfree(edid); + drm_edid_free(drm_edid); return count; } @@ -953,12 +966,12 @@ static enum drm_connector_status adv7511_bridge_detect(struct drm_bridge *bridge return adv7511_detect(adv, NULL); } -static struct edid *adv7511_bridge_get_edid(struct drm_bridge *bridge, - struct drm_connector *connector) +static const struct drm_edid *adv7511_bridge_edid_read(struct drm_bridge *bridge, + struct drm_connector *connector) { struct adv7511 *adv = bridge_to_adv7511(bridge); - return adv7511_get_edid(adv, connector); + return adv7511_edid_read(adv, connector); } static void adv7511_bridge_hpd_notify(struct drm_bridge *bridge, @@ -977,7 +990,7 @@ static const struct drm_bridge_funcs adv7511_bridge_funcs = { .mode_valid = adv7511_bridge_mode_valid, .attach = adv7511_bridge_attach, .detect = adv7511_bridge_detect, - .get_edid = adv7511_bridge_get_edid, + .edid_read = adv7511_bridge_edid_read, .hpd_notify = adv7511_bridge_hpd_notify, }; diff --git a/drivers/gpu/drm/bridge/analogix/anx7625.c b/drivers/gpu/drm/bridge/analogix/anx7625.c index 29d91493b101..9d96d28d6fe8 100644 --- a/drivers/gpu/drm/bridge/analogix/anx7625.c +++ b/drivers/gpu/drm/bridge/analogix/anx7625.c @@ -1784,24 +1784,14 @@ static ssize_t anx7625_aux_transfer(struct drm_dp_aux *aux, return ret; } -static struct edid *anx7625_get_edid(struct anx7625_data *ctx) +static const struct drm_edid *anx7625_edid_read(struct anx7625_data *ctx) { struct device *dev = ctx->dev; struct s_edid_data *p_edid = &ctx->slimport_edid_p; int edid_num; - u8 *edid; - edid = kmalloc(FOUR_BLOCK_SIZE, GFP_KERNEL); - if (!edid) { - DRM_DEV_ERROR(dev, "Fail to allocate buffer\n"); - return NULL; - } - - if (ctx->slimport_edid_p.edid_block_num > 0) { - memcpy(edid, ctx->slimport_edid_p.edid_raw_data, - FOUR_BLOCK_SIZE); - return (struct edid *)edid; - } + if (ctx->slimport_edid_p.edid_block_num > 0) + goto out; pm_runtime_get_sync(dev); _anx7625_hpd_polling(ctx, 5000 * 100); @@ -1810,14 +1800,14 @@ static struct edid *anx7625_get_edid(struct anx7625_data *ctx) if (edid_num < 1) { DRM_DEV_ERROR(dev, "Fail to read EDID: %d\n", edid_num); - kfree(edid); return NULL; } p_edid->edid_block_num = edid_num; - memcpy(edid, ctx->slimport_edid_p.edid_raw_data, FOUR_BLOCK_SIZE); - return (struct edid *)edid; +out: + return drm_edid_alloc(ctx->slimport_edid_p.edid_raw_data, + FOUR_BLOCK_SIZE); } static enum drm_connector_status anx7625_sink_detect(struct anx7625_data *ctx) @@ -2492,15 +2482,15 @@ anx7625_bridge_detect(struct drm_bridge *bridge) return anx7625_sink_detect(ctx); } -static struct edid *anx7625_bridge_get_edid(struct drm_bridge *bridge, - struct drm_connector *connector) +static const struct drm_edid *anx7625_bridge_edid_read(struct drm_bridge *bridge, + struct drm_connector *connector) { struct anx7625_data *ctx = bridge_to_anx7625(bridge); struct device *dev = ctx->dev; DRM_DEV_DEBUG_DRIVER(dev, "drm bridge get edid\n"); - return anx7625_get_edid(ctx); + return anx7625_edid_read(ctx); } static const struct drm_bridge_funcs anx7625_bridge_funcs = { @@ -2515,7 +2505,7 @@ static const struct drm_bridge_funcs anx7625_bridge_funcs = { .atomic_destroy_state = drm_atomic_helper_bridge_destroy_state, .atomic_reset = drm_atomic_helper_bridge_reset, .detect = anx7625_bridge_detect, - .get_edid = anx7625_bridge_get_edid, + .edid_read = anx7625_bridge_edid_read, }; static int anx7625_register_i2c_dummy_clients(struct anx7625_data *ctx, diff --git a/drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-core.c b/drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-core.c index 7d470527455b..e226acc5c15e 100644 --- a/drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-core.c +++ b/drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-core.c @@ -1505,33 +1505,35 @@ static void cdns_mhdp_link_down(struct cdns_mhdp_device *mhdp) mhdp->link_up = false; } -static struct edid *cdns_mhdp_get_edid(struct cdns_mhdp_device *mhdp, - struct drm_connector *connector) +static const struct drm_edid *cdns_mhdp_edid_read(struct cdns_mhdp_device *mhdp, + struct drm_connector *connector) { if (!mhdp->plugged) return NULL; - return drm_do_get_edid(connector, cdns_mhdp_get_edid_block, mhdp); + return drm_edid_read_custom(connector, cdns_mhdp_get_edid_block, mhdp); } static int cdns_mhdp_get_modes(struct drm_connector *connector) { struct cdns_mhdp_device *mhdp = connector_to_mhdp(connector); - struct edid *edid; + const struct drm_edid *drm_edid; int num_modes; if (!mhdp->plugged) return 0; - edid = cdns_mhdp_get_edid(mhdp, connector); - if (!edid) { + drm_edid = cdns_mhdp_edid_read(mhdp, connector); + + drm_edid_connector_update(connector, drm_edid); + + if (!drm_edid) { dev_err(mhdp->dev, "Failed to read EDID\n"); return 0; } - drm_connector_update_edid_property(connector, edid); - num_modes = drm_add_edid_modes(connector, edid); - kfree(edid); + num_modes = drm_edid_connector_add_modes(connector); + drm_edid_free(drm_edid); /* * HACK: Warn about unsupported display formats until we deal @@ -2220,12 +2222,12 @@ static enum drm_connector_status cdns_mhdp_bridge_detect(struct drm_bridge *brid return cdns_mhdp_detect(mhdp); } -static struct edid *cdns_mhdp_bridge_get_edid(struct drm_bridge *bridge, - struct drm_connector *connector) +static const struct drm_edid *cdns_mhdp_bridge_edid_read(struct drm_bridge *bridge, + struct drm_connector *connector) { struct cdns_mhdp_device *mhdp = bridge_to_mhdp(bridge); - return cdns_mhdp_get_edid(mhdp, connector); + return cdns_mhdp_edid_read(mhdp, connector); } static const struct drm_bridge_funcs cdns_mhdp_bridge_funcs = { @@ -2239,7 +2241,7 @@ static const struct drm_bridge_funcs cdns_mhdp_bridge_funcs = { .atomic_reset = cdns_mhdp_bridge_atomic_reset, .atomic_get_input_bus_fmts = cdns_mhdp_get_input_bus_fmts, .detect = cdns_mhdp_bridge_detect, - .get_edid = cdns_mhdp_bridge_get_edid, + .edid_read = cdns_mhdp_bridge_edid_read, .hpd_enable = cdns_mhdp_bridge_hpd_enable, .hpd_disable = cdns_mhdp_bridge_hpd_disable, }; diff --git a/drivers/gpu/drm/bridge/display-connector.c b/drivers/gpu/drm/bridge/display-connector.c index 08bd5695ddae..ab8e00baf3f1 100644 --- a/drivers/gpu/drm/bridge/display-connector.c +++ b/drivers/gpu/drm/bridge/display-connector.c @@ -81,12 +81,12 @@ display_connector_detect(struct drm_bridge *bridge) } } -static struct edid *display_connector_get_edid(struct drm_bridge *bridge, - struct drm_connector *connector) +static const struct drm_edid *display_connector_edid_read(struct drm_bridge *bridge, + struct drm_connector *connector) { struct display_connector *conn = to_display_connector(bridge); - return drm_get_edid(connector, conn->bridge.ddc); + return drm_edid_read_ddc(connector, conn->bridge.ddc); } /* @@ -172,7 +172,7 @@ static u32 *display_connector_get_input_bus_fmts(struct drm_bridge *bridge, static const struct drm_bridge_funcs display_connector_bridge_funcs = { .attach = display_connector_attach, .detect = display_connector_detect, - .get_edid = display_connector_get_edid, + .edid_read = display_connector_edid_read, .atomic_get_output_bus_fmts = display_connector_get_output_bus_fmts, .atomic_get_input_bus_fmts = display_connector_get_input_bus_fmts, .atomic_duplicate_state = drm_atomic_helper_bridge_duplicate_state, diff --git a/drivers/gpu/drm/bridge/ite-it6505.c b/drivers/gpu/drm/bridge/ite-it6505.c index b589136ca6da..27334173e911 100644 --- a/drivers/gpu/drm/bridge/ite-it6505.c +++ b/drivers/gpu/drm/bridge/ite-it6505.c @@ -458,7 +458,7 @@ struct it6505 { /* it6505 driver hold option */ bool enable_drv_hold; - struct edid *cached_edid; + const struct drm_edid *cached_edid; }; struct it6505_step_train_para { @@ -2263,7 +2263,7 @@ static void it6505_plugged_status_to_codec(struct it6505 *it6505) static void it6505_remove_edid(struct it6505 *it6505) { - kfree(it6505->cached_edid); + drm_edid_free(it6505->cached_edid); it6505->cached_edid = NULL; } @@ -3034,15 +3034,16 @@ it6505_bridge_detect(struct drm_bridge *bridge) return it6505_detect(it6505); } -static struct edid *it6505_bridge_get_edid(struct drm_bridge *bridge, - struct drm_connector *connector) +static const struct drm_edid *it6505_bridge_edid_read(struct drm_bridge *bridge, + struct drm_connector *connector) { struct it6505 *it6505 = bridge_to_it6505(bridge); struct device *dev = it6505->dev; if (!it6505->cached_edid) { - it6505->cached_edid = drm_do_get_edid(connector, it6505_get_edid_block, - it6505); + it6505->cached_edid = drm_edid_read_custom(connector, + it6505_get_edid_block, + it6505); if (!it6505->cached_edid) { DRM_DEV_DEBUG_DRIVER(dev, "failed to get edid!"); @@ -3050,7 +3051,7 @@ static struct edid *it6505_bridge_get_edid(struct drm_bridge *bridge, } } - return drm_edid_duplicate(it6505->cached_edid); + return drm_edid_dup(it6505->cached_edid); } static const struct drm_bridge_funcs it6505_bridge_funcs = { @@ -3065,7 +3066,7 @@ static const struct drm_bridge_funcs it6505_bridge_funcs = { .atomic_pre_enable = it6505_bridge_atomic_pre_enable, .atomic_post_disable = it6505_bridge_atomic_post_disable, .detect = it6505_bridge_detect, - .get_edid = it6505_bridge_get_edid, + .edid_read = it6505_bridge_edid_read, }; static __maybe_unused int it6505_bridge_resume(struct device *dev) diff --git a/drivers/gpu/drm/bridge/ite-it66121.c b/drivers/gpu/drm/bridge/ite-it66121.c index 1cf3fb1f13dc..1c3433b5e366 100644 --- a/drivers/gpu/drm/bridge/ite-it66121.c +++ b/drivers/gpu/drm/bridge/ite-it66121.c @@ -874,33 +874,33 @@ static void it66121_bridge_hpd_disable(struct drm_bridge *bridge) dev_err(ctx->dev, "failed to disable HPD IRQ\n"); } -static struct edid *it66121_bridge_get_edid(struct drm_bridge *bridge, - struct drm_connector *connector) +static const struct drm_edid *it66121_bridge_edid_read(struct drm_bridge *bridge, + struct drm_connector *connector) { struct it66121_ctx *ctx = container_of(bridge, struct it66121_ctx, bridge); - struct edid *edid; + const struct drm_edid *drm_edid; int ret; mutex_lock(&ctx->lock); ret = it66121_preamble_ddc(ctx); if (ret) { - edid = NULL; + drm_edid = NULL; goto out_unlock; } ret = regmap_write(ctx->regmap, IT66121_DDC_HEADER_REG, IT66121_DDC_HEADER_EDID); if (ret) { - edid = NULL; + drm_edid = NULL; goto out_unlock; } - edid = drm_do_get_edid(connector, it66121_get_edid_block, ctx); + drm_edid = drm_edid_read_custom(connector, it66121_get_edid_block, ctx); out_unlock: mutex_unlock(&ctx->lock); - return edid; + return drm_edid; } static const struct drm_bridge_funcs it66121_bridge_funcs = { @@ -916,7 +916,7 @@ static const struct drm_bridge_funcs it66121_bridge_funcs = { .mode_set = it66121_bridge_mode_set, .mode_valid = it66121_bridge_mode_valid, .detect = it66121_bridge_detect, - .get_edid = it66121_bridge_get_edid, + .edid_read = it66121_bridge_edid_read, .hpd_enable = it66121_bridge_hpd_enable, .hpd_disable = it66121_bridge_hpd_disable, }; diff --git a/drivers/gpu/drm/bridge/lontium-lt9611.c b/drivers/gpu/drm/bridge/lontium-lt9611.c index b9205d14d943..a9c7e2b07ea1 100644 --- a/drivers/gpu/drm/bridge/lontium-lt9611.c +++ b/drivers/gpu/drm/bridge/lontium-lt9611.c @@ -847,13 +847,13 @@ lt9611_bridge_atomic_post_disable(struct drm_bridge *bridge, lt9611_sleep_setup(lt9611); } -static struct edid *lt9611_bridge_get_edid(struct drm_bridge *bridge, - struct drm_connector *connector) +static const struct drm_edid *lt9611_bridge_edid_read(struct drm_bridge *bridge, + struct drm_connector *conn |