No functional modification involved. drivers/gpu/drm/gma500/cdv_device.c:218 cdv_errata() warn: inconsistent indenting.
Reported-by: Abaci Robot <ab...@linux.alibaba.com> Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=4126 Signed-off-by: Jiapeng Chong <jiapeng.ch...@linux.alibaba.com> --- drivers/gpu/drm/gma500/cdv_device.c | 27 ++++++++++++++++----------- 1 file changed, 16 insertions(+), 11 deletions(-) diff --git a/drivers/gpu/drm/gma500/cdv_device.c b/drivers/gpu/drm/gma500/cdv_device.c index 3e83299113e3..765f359365b9 100644 --- a/drivers/gpu/drm/gma500/cdv_device.c +++ b/drivers/gpu/drm/gma500/cdv_device.c @@ -78,7 +78,8 @@ static u32 cdv_get_max_backlight(struct drm_device *dev) if (max == 0) { DRM_DEBUG_KMS("LVDS Panel PWM value is 0!\n"); /* i915 does this, I believe which means that we should not - * smash PWM control as firmware will take control of it. */ + * smash PWM control as firmware will take control of it. + */ return 1; } @@ -149,6 +150,7 @@ static inline u32 CDV_MSG_READ32(int domain, uint port, uint offset) int mcr = (0x10<<24) | (port << 16) | (offset << 8); uint32_t ret_val = 0; struct pci_dev *pci_root = pci_get_domain_bus_and_slot(domain, 0, 0); + pci_write_config_dword(pci_root, 0xD0, mcr); pci_read_config_dword(pci_root, 0xD4, &ret_val); pci_dev_put(pci_root); @@ -160,6 +162,7 @@ static inline void CDV_MSG_WRITE32(int domain, uint port, uint offset, { int mcr = (0x11<<24) | (port << 16) | (offset << 8) | 0xF0; struct pci_dev *pci_root = pci_get_domain_bus_and_slot(domain, 0, 0); + pci_write_config_dword(pci_root, 0xD4, value); pci_write_config_dword(pci_root, 0xD0, mcr); pci_dev_put(pci_root); @@ -180,10 +183,8 @@ static void cdv_init_pm(struct drm_device *dev) int domain = pci_domain_nr(pdev->bus); int i; - dev_priv->apm_base = CDV_MSG_READ32(domain, PSB_PUNIT_PORT, - PSB_APMBA) & 0xFFFF; - dev_priv->ospm_base = CDV_MSG_READ32(domain, PSB_PUNIT_PORT, - PSB_OSPMBA) & 0xFFFF; + dev_priv->apm_base = CDV_MSG_READ32(domain, PSB_PUNIT_PORT, PSB_APMBA) & 0xFFFF; + dev_priv->ospm_base = CDV_MSG_READ32(domain, PSB_PUNIT_PORT, PSB_OSPMBA) & 0xFFFF; /* Power status */ pwr_cnt = inl(dev_priv->apm_base + PSB_APM_CMD); @@ -196,6 +197,7 @@ static void cdv_init_pm(struct drm_device *dev) /* Wait for the GPU power */ for (i = 0; i < 5; i++) { u32 pwr_sts = inl(dev_priv->apm_base + PSB_APM_STS); + if ((pwr_sts & PSB_PWRGT_GFX_MASK) == 0) return; udelay(10); @@ -215,7 +217,7 @@ static void cdv_errata(struct drm_device *dev) * Bonus Launch to work around the issue, by degrading * performance. */ - CDV_MSG_WRITE32(pci_domain_nr(pdev->bus), 3, 0x30, 0x08027108); + CDV_MSG_WRITE32(pci_domain_nr(pdev->bus), 3, 0x30, 0x08027108); } /** @@ -401,20 +403,21 @@ static int cdv_power_up(struct drm_device *dev) static void cdv_hotplug_work_func(struct work_struct *work) { - struct drm_psb_private *dev_priv = container_of(work, struct drm_psb_private, + struct drm_psb_private *dev_priv = container_of(work, struct drm_psb_private, hotplug_work); struct drm_device *dev = &dev_priv->dev; - /* Just fire off a uevent and let userspace tell us what to do */ - drm_helper_hpd_irq_event(dev); + /* Just fire off a uevent and let userspace tell us what to do */ + drm_helper_hpd_irq_event(dev); } /* The core driver has received a hotplug IRQ. We are in IRQ context - so extract the needed information and kick off queued processing */ - + * so extract the needed information and kick off queued processing + */ static int cdv_hotplug_event(struct drm_device *dev) { struct drm_psb_private *dev_priv = to_drm_psb_private(dev); + schedule_work(&dev_priv->hotplug_work); REG_WRITE(PORT_HOTPLUG_STAT, REG_READ(PORT_HOTPLUG_STAT)); return 1; @@ -424,6 +427,7 @@ static void cdv_hotplug_enable(struct drm_device *dev, bool on) { if (on) { u32 hotplug = REG_READ(PORT_HOTPLUG_EN); + hotplug |= HDMIB_HOTPLUG_INT_EN | HDMIC_HOTPLUG_INT_EN | HDMID_HOTPLUG_INT_EN | CRT_HOTPLUG_INT_EN; REG_WRITE(PORT_HOTPLUG_EN, hotplug); @@ -549,6 +553,7 @@ static const struct psb_offset cdv_regmap[2] = { static int cdv_chip_setup(struct drm_device *dev) { struct drm_psb_private *dev_priv = to_drm_psb_private(dev); + INIT_WORK(&dev_priv->hotplug_work, cdv_hotplug_work_func); dev_priv->use_msi = true; -- 2.20.1.7.g153144c
