mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-28 11:18:45 +07:00
drm: mxsfb: Stop using DRM simple display pipeline helper
The DRM simple display pipeline helper only supports a single plane. In order to prepare for support of the alpha plane on i.MX6SX and i.MX7, move away from the helper. No new feature is added. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Emil Velikov <emil.l.velikov@gmail.com> Reviewed-by: Stefan Agner <stefan@agner.ch> Signed-off-by: Stefan Agner <stefan@agner.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20200727020654.8231-12-laurent.pinchart@ideasonboard.com
This commit is contained in:
Laurent Pinchart
Stefan Agner
parent
40a726b82e
commit
ae1ed00932
@ -10,22 +10,23 @@
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#include <linux/clk.h>
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#include <linux/dma-mapping.h>
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#include <linux/io.h>
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#include <linux/module.h>
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#include <linux/of_device.h>
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#include <linux/platform_device.h>
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#include <linux/pm_runtime.h>
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#include <linux/spinlock.h>
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#include <drm/drm_atomic.h>
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#include <drm/drm_atomic_helper.h>
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#include <drm/drm_crtc.h>
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#include <drm/drm_bridge.h>
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#include <drm/drm_connector.h>
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#include <drm/drm_drv.h>
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#include <drm/drm_fb_helper.h>
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#include <drm/drm_gem_cma_helper.h>
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#include <drm/drm_gem_framebuffer_helper.h>
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#include <drm/drm_irq.h>
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#include <drm/drm_mode_config.h>
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#include <drm/drm_of.h>
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#include <drm/drm_probe_helper.h>
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#include <drm/drm_simple_kms_helper.h>
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#include <drm/drm_vblank.h>
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#include "mxsfb_drv.h"
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@ -57,22 +58,6 @@ static const struct mxsfb_devdata mxsfb_devdata[] = {
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},
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};
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static const uint32_t mxsfb_formats[] = {
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DRM_FORMAT_XRGB8888,
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DRM_FORMAT_RGB565
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};
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static const uint64_t mxsfb_modifiers[] = {
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DRM_FORMAT_MOD_LINEAR,
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DRM_FORMAT_MOD_INVALID
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};
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static struct mxsfb_drm_private *
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drm_pipe_to_mxsfb_drm_private(struct drm_simple_display_pipe *pipe)
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{
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return container_of(pipe, struct mxsfb_drm_private, pipe);
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}
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void mxsfb_enable_axi_clk(struct mxsfb_drm_private *mxsfb)
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{
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if (mxsfb->clk_axi)
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@ -95,77 +80,6 @@ static const struct drm_mode_config_helper_funcs mxsfb_mode_config_helpers = {
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.atomic_commit_tail = drm_atomic_helper_commit_tail_rpm,
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};
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static void mxsfb_pipe_enable(struct drm_simple_display_pipe *pipe,
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struct drm_crtc_state *crtc_state,
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struct drm_plane_state *plane_state)
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{
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struct mxsfb_drm_private *mxsfb = drm_pipe_to_mxsfb_drm_private(pipe);
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struct drm_device *drm = pipe->plane.dev;
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pm_runtime_get_sync(drm->dev);
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mxsfb_crtc_enable(mxsfb);
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}
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static void mxsfb_pipe_disable(struct drm_simple_display_pipe *pipe)
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{
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struct mxsfb_drm_private *mxsfb = drm_pipe_to_mxsfb_drm_private(pipe);
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struct drm_device *drm = pipe->plane.dev;
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struct drm_crtc *crtc = &pipe->crtc;
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struct drm_pending_vblank_event *event;
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mxsfb_crtc_disable(mxsfb);
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pm_runtime_put_sync(drm->dev);
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spin_lock_irq(&drm->event_lock);
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event = crtc->state->event;
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if (event) {
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crtc->state->event = NULL;
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drm_crtc_send_vblank_event(crtc, event);
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}
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spin_unlock_irq(&drm->event_lock);
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}
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static void mxsfb_pipe_update(struct drm_simple_display_pipe *pipe,
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struct drm_plane_state *plane_state)
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{
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struct mxsfb_drm_private *mxsfb = drm_pipe_to_mxsfb_drm_private(pipe);
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mxsfb_plane_atomic_update(mxsfb, plane_state);
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}
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static int mxsfb_pipe_enable_vblank(struct drm_simple_display_pipe *pipe)
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{
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struct mxsfb_drm_private *mxsfb = drm_pipe_to_mxsfb_drm_private(pipe);
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/* Clear and enable VBLANK IRQ */
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mxsfb_enable_axi_clk(mxsfb);
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writel(CTRL1_CUR_FRAME_DONE_IRQ, mxsfb->base + LCDC_CTRL1 + REG_CLR);
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writel(CTRL1_CUR_FRAME_DONE_IRQ_EN, mxsfb->base + LCDC_CTRL1 + REG_SET);
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mxsfb_disable_axi_clk(mxsfb);
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return 0;
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}
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static void mxsfb_pipe_disable_vblank(struct drm_simple_display_pipe *pipe)
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{
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struct mxsfb_drm_private *mxsfb = drm_pipe_to_mxsfb_drm_private(pipe);
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/* Disable and clear VBLANK IRQ */
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mxsfb_enable_axi_clk(mxsfb);
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writel(CTRL1_CUR_FRAME_DONE_IRQ_EN, mxsfb->base + LCDC_CTRL1 + REG_CLR);
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writel(CTRL1_CUR_FRAME_DONE_IRQ, mxsfb->base + LCDC_CTRL1 + REG_CLR);
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mxsfb_disable_axi_clk(mxsfb);
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}
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static struct drm_simple_display_pipe_funcs mxsfb_funcs = {
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.enable = mxsfb_pipe_enable,
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.disable = mxsfb_pipe_disable,
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.update = mxsfb_pipe_update,
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.prepare_fb = drm_gem_fb_simple_display_pipe_prepare_fb,
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.enable_vblank = mxsfb_pipe_enable_vblank,
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.disable_vblank = mxsfb_pipe_disable_vblank,
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};
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static int mxsfb_attach_bridge(struct mxsfb_drm_private *mxsfb)
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{
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struct drm_device *drm = mxsfb->drm;
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@ -189,7 +103,7 @@ static int mxsfb_attach_bridge(struct mxsfb_drm_private *mxsfb)
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if (!bridge)
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return -ENODEV;
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ret = drm_simple_display_pipe_attach_bridge(&mxsfb->pipe, bridge);
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ret = drm_bridge_attach(&mxsfb->encoder, bridge, NULL, 0);
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if (ret) {
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DRM_DEV_ERROR(drm->dev,
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"failed to attach bridge: %d\n", ret);
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@ -256,11 +170,9 @@ static int mxsfb_load(struct drm_device *drm)
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/* Modeset init */
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drm_mode_config_init(drm);
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ret = drm_simple_display_pipe_init(drm, &mxsfb->pipe, &mxsfb_funcs,
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mxsfb_formats, ARRAY_SIZE(mxsfb_formats),
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mxsfb_modifiers, NULL);
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ret = mxsfb_kms_init(mxsfb);
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if (ret < 0) {
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dev_err(drm->dev, "Cannot setup simple display pipe\n");
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dev_err(drm->dev, "Failed to initialize KMS pipeline\n");
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goto err_vblank;
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}
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@ -316,11 +228,11 @@ static void mxsfb_unload(struct drm_device *drm)
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pm_runtime_disable(drm->dev);
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}
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static void mxsfb_irq_preinstall(struct drm_device *drm)
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static void mxsfb_irq_disable(struct drm_device *drm)
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{
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struct mxsfb_drm_private *mxsfb = drm->dev_private;
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mxsfb_pipe_disable_vblank(&mxsfb->pipe);
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mxsfb->crtc.funcs->disable_vblank(&mxsfb->crtc);
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}
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static irqreturn_t mxsfb_irq_handler(int irq, void *data)
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@ -334,7 +246,7 @@ static irqreturn_t mxsfb_irq_handler(int irq, void *data)
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reg = readl(mxsfb->base + LCDC_CTRL1);
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if (reg & CTRL1_CUR_FRAME_DONE_IRQ)
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drm_crtc_handle_vblank(&mxsfb->pipe.crtc);
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drm_crtc_handle_vblank(&mxsfb->crtc);
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writel(CTRL1_CUR_FRAME_DONE_IRQ, mxsfb->base + LCDC_CTRL1 + REG_CLR);
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@ -348,8 +260,8 @@ DEFINE_DRM_GEM_CMA_FOPS(fops);
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static struct drm_driver mxsfb_driver = {
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.driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC,
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.irq_handler = mxsfb_irq_handler,
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.irq_preinstall = mxsfb_irq_preinstall,
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.irq_uninstall = mxsfb_irq_preinstall,
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.irq_preinstall = mxsfb_irq_disable,
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.irq_uninstall = mxsfb_irq_disable,
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DRM_GEM_CMA_DRIVER_OPS,
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.fops = &fops,
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.name = "mxsfb-drm",
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@ -8,7 +8,12 @@
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#ifndef __MXSFB_DRV_H__
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#define __MXSFB_DRV_H__
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struct drm_device;
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#include <drm/drm_crtc.h>
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#include <drm/drm_device.h>
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#include <drm/drm_encoder.h>
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#include <drm/drm_plane.h>
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struct clk;
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struct mxsfb_devdata {
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unsigned int transfer_count;
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@ -29,20 +34,22 @@ struct mxsfb_drm_private {
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struct clk *clk_disp_axi;
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struct drm_device *drm;
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struct drm_simple_display_pipe pipe;
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struct drm_plane plane;
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struct drm_crtc crtc;
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struct drm_encoder encoder;
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struct drm_connector *connector;
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struct drm_bridge *bridge;
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};
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int mxsfb_setup_crtc(struct drm_device *dev);
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int mxsfb_create_output(struct drm_device *dev);
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static inline struct mxsfb_drm_private *
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to_mxsfb_drm_private(struct drm_device *drm)
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{
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return drm->dev_private;
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}
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void mxsfb_enable_axi_clk(struct mxsfb_drm_private *mxsfb);
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void mxsfb_disable_axi_clk(struct mxsfb_drm_private *mxsfb);
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void mxsfb_crtc_enable(struct mxsfb_drm_private *mxsfb);
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void mxsfb_crtc_disable(struct mxsfb_drm_private *mxsfb);
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void mxsfb_plane_atomic_update(struct mxsfb_drm_private *mxsfb,
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struct drm_plane_state *state);
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int mxsfb_kms_init(struct mxsfb_drm_private *mxsfb);
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#endif /* __MXSFB_DRV_H__ */
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@ -9,15 +9,21 @@
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*/
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#include <linux/clk.h>
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#include <linux/io.h>
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#include <linux/iopoll.h>
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#include <linux/pm_runtime.h>
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#include <linux/spinlock.h>
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#include <drm/drm_atomic.h>
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#include <drm/drm_atomic_helper.h>
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#include <drm/drm_bridge.h>
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#include <drm/drm_crtc.h>
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#include <drm/drm_encoder.h>
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#include <drm/drm_fb_cma_helper.h>
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#include <drm/drm_fourcc.h>
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#include <drm/drm_gem_cma_helper.h>
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#include <drm/drm_simple_kms_helper.h>
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#include <drm/drm_plane.h>
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#include <drm/drm_plane_helper.h>
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#include <drm/drm_vblank.h>
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#include "mxsfb_drv.h"
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@ -26,6 +32,10 @@
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/* 1 second delay should be plenty of time for block reset */
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#define RESET_TIMEOUT 1000000
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/* -----------------------------------------------------------------------------
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* CRTC
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*/
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static u32 set_hsync_pulse_width(struct mxsfb_drm_private *mxsfb, u32 val)
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{
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return (val & mxsfb->devdata->hs_wdth_mask) <<
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@ -35,9 +45,8 @@ static u32 set_hsync_pulse_width(struct mxsfb_drm_private *mxsfb, u32 val)
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/* Setup the MXSFB registers for decoding the pixels out of the framebuffer */
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static int mxsfb_set_pixel_fmt(struct mxsfb_drm_private *mxsfb)
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{
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struct drm_crtc *crtc = &mxsfb->pipe.crtc;
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struct drm_device *drm = crtc->dev;
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const u32 format = crtc->primary->state->fb->format->format;
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struct drm_device *drm = mxsfb->drm;
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const u32 format = mxsfb->crtc.primary->state->fb->format->format;
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u32 ctrl, ctrl1;
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ctrl = CTRL_BYPASS_COUNT | CTRL_MASTER;
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@ -71,8 +80,7 @@ static int mxsfb_set_pixel_fmt(struct mxsfb_drm_private *mxsfb)
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static void mxsfb_set_bus_fmt(struct mxsfb_drm_private *mxsfb)
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{
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struct drm_crtc *crtc = &mxsfb->pipe.crtc;
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struct drm_device *drm = crtc->dev;
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struct drm_device *drm = mxsfb->drm;
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u32 bus_format = MEDIA_BUS_FMT_RGB888_1X24;
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u32 reg;
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@ -175,7 +183,7 @@ static int mxsfb_reset_block(struct mxsfb_drm_private *mxsfb)
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static dma_addr_t mxsfb_get_fb_paddr(struct mxsfb_drm_private *mxsfb)
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{
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struct drm_framebuffer *fb = mxsfb->pipe.plane.state->fb;
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struct drm_framebuffer *fb = mxsfb->plane.state->fb;
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struct drm_gem_cma_object *gem;
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if (!fb)
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@ -190,8 +198,8 @@ static dma_addr_t mxsfb_get_fb_paddr(struct mxsfb_drm_private *mxsfb)
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static void mxsfb_crtc_mode_set_nofb(struct mxsfb_drm_private *mxsfb)
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{
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struct drm_device *drm = mxsfb->pipe.crtc.dev;
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struct drm_display_mode *m = &mxsfb->pipe.crtc.state->adjusted_mode;
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struct drm_device *drm = mxsfb->crtc.dev;
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struct drm_display_mode *m = &mxsfb->crtc.state->adjusted_mode;
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u32 bus_flags = mxsfb->connector->display_info.bus_flags;
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u32 vdctrl0, vsync_pulse_len, hsync_pulse_len;
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int err;
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@ -273,10 +281,29 @@ static void mxsfb_crtc_mode_set_nofb(struct mxsfb_drm_private *mxsfb)
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mxsfb->base + LCDC_VDCTRL4);
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}
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void mxsfb_crtc_enable(struct mxsfb_drm_private *mxsfb)
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static int mxsfb_crtc_atomic_check(struct drm_crtc *crtc,
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struct drm_crtc_state *state)
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{
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bool has_primary = state->plane_mask &
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drm_plane_mask(crtc->primary);
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/* The primary plane has to be enabled when the CRTC is active. */
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if (state->active && !has_primary)
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return -EINVAL;
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/* TODO: Is this needed ? */
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return drm_atomic_add_affected_planes(state->state, crtc);
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}
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static void mxsfb_crtc_atomic_enable(struct drm_crtc *crtc,
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struct drm_crtc_state *old_state)
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{
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struct mxsfb_drm_private *mxsfb = to_mxsfb_drm_private(crtc->dev);
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struct drm_device *drm = mxsfb->drm;
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dma_addr_t paddr;
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pm_runtime_get_sync(drm->dev);
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mxsfb_enable_axi_clk(mxsfb);
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mxsfb_crtc_mode_set_nofb(mxsfb);
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@ -290,17 +317,100 @@ void mxsfb_crtc_enable(struct mxsfb_drm_private *mxsfb)
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mxsfb_enable_controller(mxsfb);
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}
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void mxsfb_crtc_disable(struct mxsfb_drm_private *mxsfb)
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static void mxsfb_crtc_atomic_disable(struct drm_crtc *crtc,
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struct drm_crtc_state *old_state)
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{
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struct mxsfb_drm_private *mxsfb = to_mxsfb_drm_private(crtc->dev);
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struct drm_device *drm = mxsfb->drm;
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struct drm_pending_vblank_event *event;
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mxsfb_disable_controller(mxsfb);
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mxsfb_disable_axi_clk(mxsfb);
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pm_runtime_put_sync(drm->dev);
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spin_lock_irq(&drm->event_lock);
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event = crtc->state->event;
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if (event) {
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crtc->state->event = NULL;
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drm_crtc_send_vblank_event(crtc, event);
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}
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spin_unlock_irq(&drm->event_lock);
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}
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static int mxsfb_crtc_enable_vblank(struct drm_crtc *crtc)
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{
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struct mxsfb_drm_private *mxsfb = to_mxsfb_drm_private(crtc->dev);
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/* Clear and enable VBLANK IRQ */
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mxsfb_enable_axi_clk(mxsfb);
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writel(CTRL1_CUR_FRAME_DONE_IRQ, mxsfb->base + LCDC_CTRL1 + REG_CLR);
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writel(CTRL1_CUR_FRAME_DONE_IRQ_EN, mxsfb->base + LCDC_CTRL1 + REG_SET);
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mxsfb_disable_axi_clk(mxsfb);
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return 0;
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}
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static void mxsfb_crtc_disable_vblank(struct drm_crtc *crtc)
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{
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struct mxsfb_drm_private *mxsfb = to_mxsfb_drm_private(crtc->dev);
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/* Disable and clear VBLANK IRQ */
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mxsfb_enable_axi_clk(mxsfb);
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writel(CTRL1_CUR_FRAME_DONE_IRQ_EN, mxsfb->base + LCDC_CTRL1 + REG_CLR);
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writel(CTRL1_CUR_FRAME_DONE_IRQ, mxsfb->base + LCDC_CTRL1 + REG_CLR);
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mxsfb_disable_axi_clk(mxsfb);
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}
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void mxsfb_plane_atomic_update(struct mxsfb_drm_private *mxsfb,
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struct drm_plane_state *state)
|
||||
static const struct drm_crtc_helper_funcs mxsfb_crtc_helper_funcs = {
|
||||
.atomic_check = mxsfb_crtc_atomic_check,
|
||||
.atomic_enable = mxsfb_crtc_atomic_enable,
|
||||
.atomic_disable = mxsfb_crtc_atomic_disable,
|
||||
};
|
||||
|
||||
static const struct drm_crtc_funcs mxsfb_crtc_funcs = {
|
||||
.reset = drm_atomic_helper_crtc_reset,
|
||||
.destroy = drm_crtc_cleanup,
|
||||
.set_config = drm_atomic_helper_set_config,
|
||||
.page_flip = drm_atomic_helper_page_flip,
|
||||
.atomic_duplicate_state = drm_atomic_helper_crtc_duplicate_state,
|
||||
.atomic_destroy_state = drm_atomic_helper_crtc_destroy_state,
|
||||
.enable_vblank = mxsfb_crtc_enable_vblank,
|
||||
.disable_vblank = mxsfb_crtc_disable_vblank,
|
||||
};
|
||||
|
||||
/* -----------------------------------------------------------------------------
|
||||
* Encoder
|
||||
*/
|
||||
|
||||
static const struct drm_encoder_funcs mxsfb_encoder_funcs = {
|
||||
.destroy = drm_encoder_cleanup,
|
||||
};
|
||||
|
||||
/* -----------------------------------------------------------------------------
|
||||
* Planes
|
||||
*/
|
||||
|
||||
static int mxsfb_plane_atomic_check(struct drm_plane *plane,
|
||||
struct drm_plane_state *plane_state)
|
||||
{
|
||||
struct drm_simple_display_pipe *pipe = &mxsfb->pipe;
|
||||
struct drm_crtc *crtc = &pipe->crtc;
|
||||
struct mxsfb_drm_private *mxsfb = to_mxsfb_drm_private(plane->dev);
|
||||
struct drm_crtc_state *crtc_state;
|
||||
|
||||
crtc_state = drm_atomic_get_new_crtc_state(plane_state->state,
|
||||
&mxsfb->crtc);
|
||||
|
||||
return drm_atomic_helper_check_plane_state(plane_state, crtc_state,
|
||||
DRM_PLANE_HELPER_NO_SCALING,
|
||||
DRM_PLANE_HELPER_NO_SCALING,
|
||||
false, true);
|
||||
}
|
||||
|
||||
static void mxsfb_plane_atomic_update(struct drm_plane *plane,
|
||||
struct drm_plane_state *old_pstate)
|
||||
{
|
||||
struct mxsfb_drm_private *mxsfb = to_mxsfb_drm_private(plane->dev);
|
||||
struct drm_crtc *crtc = &mxsfb->crtc;
|
||||
struct drm_pending_vblank_event *event;
|
||||
dma_addr_t paddr;
|
||||
|
||||
@ -324,3 +434,53 @@ void mxsfb_plane_atomic_update(struct mxsfb_drm_private *mxsfb,
|
||||
mxsfb_disable_axi_clk(mxsfb);
|
||||
}
|
||||
}
|
||||
|
||||
static const struct drm_plane_helper_funcs mxsfb_plane_helper_funcs = {
|
||||
.atomic_check = mxsfb_plane_atomic_check,
|
||||
.atomic_update = mxsfb_plane_atomic_update,
|
||||
};
|
||||
|
||||
static const struct drm_plane_funcs mxsfb_plane_funcs = {
|
||||
.update_plane = drm_atomic_helper_update_plane,
|
||||
.disable_plane = drm_atomic_helper_disable_plane,
|
||||
.destroy = drm_plane_cleanup,
|
||||
.reset = drm_atomic_helper_plane_reset,
|
||||
.atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,
|
||||
.atomic_destroy_state = drm_atomic_helper_plane_destroy_state,
|
||||
};
|
||||
|
||||
static const uint32_t mxsfb_formats[] = {
|
||||
DRM_FORMAT_XRGB8888,
|
||||
DRM_FORMAT_RGB565
|
||||
};
|
||||
|
||||
static const uint64_t mxsfb_modifiers[] = {
|
||||
DRM_FORMAT_MOD_LINEAR,
|
||||
DRM_FORMAT_MOD_INVALID
|
||||
};
|
||||
|
||||
int mxsfb_kms_init(struct mxsfb_drm_private *mxsfb)
|
||||
{
|
||||
struct drm_encoder *encoder = &mxsfb->encoder;
|
||||
struct drm_plane *plane = &mxsfb->plane;
|
||||
struct drm_crtc *crtc = &mxsfb->crtc;
|
||||
int ret;
|
||||
|
||||
drm_plane_helper_add(plane, &mxsfb_plane_helper_funcs);
|
||||
ret = drm_universal_plane_init(mxsfb->drm, plane, 0, &mxsfb_plane_funcs,
|
||||
mxsfb_formats, ARRAY_SIZE(mxsfb_formats),
|
||||
mxsfb_modifiers, DRM_PLANE_TYPE_PRIMARY,
|
||||
NULL);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
drm_crtc_helper_add(crtc, &mxsfb_crtc_helper_funcs);
|
||||
ret = drm_crtc_init_with_planes(mxsfb->drm, crtc, plane, NULL,
|
||||
&mxsfb_crtc_funcs, NULL);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
encoder->possible_crtcs = drm_crtc_mask(crtc);
|
||||
return drm_encoder_init(mxsfb->drm, encoder, &mxsfb_encoder_funcs,
|
||||
DRM_MODE_ENCODER_NONE, NULL);
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user