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drm/msm/mdp5: Use the new hierarchy and drop old irq management
Call msm_mdss_init in msm_drv to set up top level registers/irq line. Start using the new kms_init2/destroy2 funcs to inititalize MDP5 KMS. With the MDSS interrupt and irqdomain set up, the old MDP5 irq code can be dropped. The mdp5_hw_init kms func now uses the platform device tied to MDP5 instead of the one tied to the drm_device/MDSS. Signed-off-by: Archit Taneja <architt@codeaurora.org> Signed-off-by: Rob Clark <robdclark@gmail.com>
This commit is contained in:
Archit Taneja
Rob Clark
parent
aec095ecbc
commit
0a6030d224
3 changed files with 18 additions and 119 deletions
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@ -15,7 +15,6 @@
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* this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <linux/irqdomain.h>
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#include <linux/irq.h>
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#include "msm_drv.h"
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@ -68,8 +67,9 @@ void mdp5_irq_uninstall(struct msm_kms *kms)
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mdp5_disable(mdp5_kms);
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}
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static void mdp5_irq_mdp(struct mdp_kms *mdp_kms)
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irqreturn_t mdp5_irq(struct msm_kms *kms)
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{
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struct mdp_kms *mdp_kms = to_mdp_kms(kms);
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struct mdp5_kms *mdp5_kms = to_mdp5_kms(mdp_kms);
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struct drm_device *dev = mdp5_kms->dev;
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struct msm_drm_private *priv = dev->dev_private;
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@ -87,29 +87,6 @@ static void mdp5_irq_mdp(struct mdp_kms *mdp_kms)
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for (id = 0; id < priv->num_crtcs; id++)
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if (status & mdp5_crtc_vblank(priv->crtcs[id]))
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drm_handle_vblank(dev, id);
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}
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irqreturn_t mdp5_irq(struct msm_kms *kms)
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{
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struct mdp_kms *mdp_kms = to_mdp_kms(kms);
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struct mdp5_kms *mdp5_kms = to_mdp5_kms(mdp_kms);
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uint32_t intr;
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intr = mdp5_read(mdp5_kms, REG_MDSS_HW_INTR_STATUS);
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VERB("intr=%08x", intr);
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if (intr & MDSS_HW_INTR_STATUS_INTR_MDP) {
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mdp5_irq_mdp(mdp_kms);
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intr &= ~MDSS_HW_INTR_STATUS_INTR_MDP;
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}
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while (intr) {
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irq_hw_number_t hwirq = fls(intr) - 1;
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generic_handle_irq(irq_find_mapping(
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mdp5_kms->irqcontroller.domain, hwirq));
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intr &= ~(1 << hwirq);
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}
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return IRQ_HANDLED;
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}
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@ -135,81 +112,3 @@ void mdp5_disable_vblank(struct msm_kms *kms, struct drm_crtc *crtc)
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mdp5_crtc_vblank(crtc), false);
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mdp5_disable(mdp5_kms);
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}
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/*
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* interrupt-controller implementation, so sub-blocks (hdmi/eDP/dsi/etc)
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* can register to get their irq's delivered
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*/
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#define VALID_IRQS (MDSS_HW_INTR_STATUS_INTR_DSI0 | \
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MDSS_HW_INTR_STATUS_INTR_DSI1 | \
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MDSS_HW_INTR_STATUS_INTR_HDMI | \
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MDSS_HW_INTR_STATUS_INTR_EDP)
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static void mdp5_hw_mask_irq(struct irq_data *irqd)
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{
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struct mdp5_kms *mdp5_kms = irq_data_get_irq_chip_data(irqd);
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smp_mb__before_atomic();
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clear_bit(irqd->hwirq, &mdp5_kms->irqcontroller.enabled_mask);
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smp_mb__after_atomic();
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}
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static void mdp5_hw_unmask_irq(struct irq_data *irqd)
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{
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struct mdp5_kms *mdp5_kms = irq_data_get_irq_chip_data(irqd);
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smp_mb__before_atomic();
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set_bit(irqd->hwirq, &mdp5_kms->irqcontroller.enabled_mask);
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smp_mb__after_atomic();
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}
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static struct irq_chip mdp5_hw_irq_chip = {
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.name = "mdp5",
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.irq_mask = mdp5_hw_mask_irq,
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.irq_unmask = mdp5_hw_unmask_irq,
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};
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static int mdp5_hw_irqdomain_map(struct irq_domain *d,
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unsigned int irq, irq_hw_number_t hwirq)
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{
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struct mdp5_kms *mdp5_kms = d->host_data;
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if (!(VALID_IRQS & (1 << hwirq)))
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return -EPERM;
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irq_set_chip_and_handler(irq, &mdp5_hw_irq_chip, handle_level_irq);
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irq_set_chip_data(irq, mdp5_kms);
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return 0;
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}
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static struct irq_domain_ops mdp5_hw_irqdomain_ops = {
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.map = mdp5_hw_irqdomain_map,
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.xlate = irq_domain_xlate_onecell,
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};
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int mdp5_irq_domain_init(struct mdp5_kms *mdp5_kms)
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{
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struct device *dev = mdp5_kms->dev->dev;
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struct irq_domain *d;
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d = irq_domain_add_linear(dev->of_node, 32,
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&mdp5_hw_irqdomain_ops, mdp5_kms);
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if (!d) {
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dev_err(dev, "mdp5 irq domain add failed\n");
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return -ENXIO;
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}
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mdp5_kms->irqcontroller.enabled_mask = 0;
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mdp5_kms->irqcontroller.domain = d;
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return 0;
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}
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void mdp5_irq_domain_fini(struct mdp5_kms *mdp5_kms)
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{
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if (mdp5_kms->irqcontroller.domain) {
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irq_domain_remove(mdp5_kms->irqcontroller.domain);
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mdp5_kms->irqcontroller.domain = NULL;
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}
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}
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@ -29,10 +29,10 @@ static const char *iommu_ports[] = {
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static int mdp5_hw_init(struct msm_kms *kms)
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{
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struct mdp5_kms *mdp5_kms = to_mdp5_kms(to_mdp_kms(kms));
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struct drm_device *dev = mdp5_kms->dev;
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struct platform_device *pdev = mdp5_kms->pdev;
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unsigned long flags;
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pm_runtime_get_sync(dev->dev);
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pm_runtime_get_sync(&pdev->dev);
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/* Magic unknown register writes:
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*
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@ -64,7 +64,7 @@ static int mdp5_hw_init(struct msm_kms *kms)
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mdp5_ctlm_hw_reset(mdp5_kms->ctlm);
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pm_runtime_put_sync(dev->dev);
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pm_runtime_put_sync(&pdev->dev);
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return 0;
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}
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@ -117,8 +117,6 @@ static void mdp5_kms_destroy(struct msm_kms *kms)
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struct mdp5_kms *mdp5_kms = to_mdp5_kms(to_mdp_kms(kms));
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struct msm_mmu *mmu = mdp5_kms->mmu;
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mdp5_irq_domain_fini(mdp5_kms);
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if (mmu) {
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mmu->funcs->detach(mmu, iommu_ports, ARRAY_SIZE(iommu_ports));
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mmu->funcs->destroy(mmu);
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@ -160,7 +158,7 @@ static const struct mdp_kms_funcs kms_funcs = {
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.get_format = mdp_get_format,
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.round_pixclk = mdp5_round_pixclk,
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.set_split_display = mdp5_set_split_display,
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.destroy = mdp5_kms_destroy,
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.destroy = mdp5_kms_destroy2,
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},
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.set_irqmask = mdp5_set_irqmask,
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};
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@ -357,13 +355,6 @@ static int modeset_init(struct mdp5_kms *mdp5_kms)
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hw_cfg = mdp5_cfg_get_hw_config(mdp5_kms->cfg);
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/* register our interrupt-controller for hdmi/eDP/dsi/etc
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* to use for irqs routed through mdp:
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*/
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ret = mdp5_irq_domain_init(mdp5_kms);
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if (ret)
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goto fail;
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/* construct CRTCs and their private planes: */
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for (i = 0; i < hw_cfg->pipe_rgb.count; i++) {
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struct drm_plane *plane;
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@ -237,6 +237,8 @@ static int msm_drm_uninit(struct device *dev)
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component_unbind_all(dev, ddev);
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msm_mdss_destroy(ddev);
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ddev->dev_private = NULL;
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drm_dev_unref(ddev);
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@ -351,6 +353,13 @@ static int msm_drm_init(struct device *dev, struct drm_driver *drv)
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ddev->dev_private = priv;
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ret = msm_mdss_init(ddev);
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if (ret) {
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kfree(priv);
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drm_dev_unref(ddev);
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return ret;
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}
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priv->wq = alloc_ordered_workqueue("msm", 0);
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priv->atomic_wq = alloc_ordered_workqueue("msm:atomic", 0);
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init_waitqueue_head(&priv->pending_crtcs_event);
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@ -365,6 +374,7 @@ static int msm_drm_init(struct device *dev, struct drm_driver *drv)
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/* Bind all our sub-components: */
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ret = component_bind_all(dev, ddev);
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if (ret) {
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msm_mdss_destroy(ddev);
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kfree(priv);
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drm_dev_unref(ddev);
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return ret;
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@ -377,9 +387,10 @@ static int msm_drm_init(struct device *dev, struct drm_driver *drv)
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switch (get_mdp_ver(pdev)) {
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case 4:
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kms = mdp4_kms_init(ddev);
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priv->kms = kms;
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break;
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case 5:
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kms = mdp5_kms_init(ddev);
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kms = mdp5_kms_init2(ddev);
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break;
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default:
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kms = ERR_PTR(-ENODEV);
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@ -398,8 +409,6 @@ static int msm_drm_init(struct device *dev, struct drm_driver *drv)
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goto fail;
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}
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priv->kms = kms;
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if (kms) {
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pm_runtime_enable(dev);
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ret = kms->funcs->hw_init(kms);
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