diff options
Diffstat (limited to 'drivers/gpu/drm/rockchip')
| -rw-r--r-- | drivers/gpu/drm/rockchip/Makefile | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/rockchip/analogix_dp-rockchip.c | 116 | ||||
| -rw-r--r-- | drivers/gpu/drm/rockchip/cdn-dp-core.c | 17 | ||||
| -rw-r--r-- | drivers/gpu/drm/rockchip/cdn-dp-core.h | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c | 9 | ||||
| -rw-r--r-- | drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c | 5 | ||||
| -rw-r--r-- | drivers/gpu/drm/rockchip/inno_hdmi.c | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/rockchip/rockchip_drm_drv.c | 20 | ||||
| -rw-r--r-- | drivers/gpu/drm/rockchip/rockchip_drm_fb.c | 29 | ||||
| -rw-r--r-- | drivers/gpu/drm/rockchip/rockchip_drm_fbdev.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/rockchip/rockchip_drm_gem.c | 8 | ||||
| -rw-r--r-- | drivers/gpu/drm/rockchip/rockchip_drm_psr.c | 282 | ||||
| -rw-r--r-- | drivers/gpu/drm/rockchip/rockchip_drm_psr.h | 22 | ||||
| -rw-r--r-- | drivers/gpu/drm/rockchip/rockchip_drm_vop.c | 114 | ||||
| -rw-r--r-- | drivers/gpu/drm/rockchip/rockchip_lvds.c | 16 | ||||
| -rw-r--r-- | drivers/gpu/drm/rockchip/rockchip_rgb.c | 9 | ||||
| -rw-r--r-- | drivers/gpu/drm/rockchip/rockchip_vop_reg.c | 11 |
17 files changed, 197 insertions, 471 deletions
diff --git a/drivers/gpu/drm/rockchip/Makefile b/drivers/gpu/drm/rockchip/Makefile index 524684ba7f6a..17a9e7eb2130 100644 --- a/drivers/gpu/drm/rockchip/Makefile +++ b/drivers/gpu/drm/rockchip/Makefile @@ -4,8 +4,7 @@ # Direct Rendering Infrastructure (DRI) in XFree86 4.1.0 and higher. rockchipdrm-y := rockchip_drm_drv.o rockchip_drm_fb.o \ - rockchip_drm_gem.o rockchip_drm_psr.o \ - rockchip_drm_vop.o rockchip_vop_reg.o + rockchip_drm_gem.o rockchip_drm_vop.o rockchip_vop_reg.o rockchipdrm-$(CONFIG_DRM_FBDEV_EMULATION) += rockchip_drm_fbdev.o rockchipdrm-$(CONFIG_ROCKCHIP_ANALOGIX_DP) += analogix_dp-rockchip.o diff --git a/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c b/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c index 9aae3d8e99ef..f38f5e113c6b 100644 --- a/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c +++ b/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c @@ -16,19 +16,18 @@ #include <linux/reset.h> #include <linux/clk.h> -#include <drm/drmP.h> -#include <drm/drm_dp_helper.h> -#include <drm/drm_of.h> -#include <drm/drm_panel.h> -#include <drm/drm_probe_helper.h> - #include <video/of_videomode.h> #include <video/videomode.h> +#include <drm/drm_atomic.h> +#include <drm/drm_atomic_helper.h> #include <drm/bridge/analogix_dp.h> +#include <drm/drm_dp_helper.h> +#include <drm/drm_of.h> +#include <drm/drm_panel.h> +#include <drm/drm_probe_helper.h> #include "rockchip_drm_drv.h" -#include "rockchip_drm_psr.h" #include "rockchip_drm_vop.h" #define RK3288_GRF_SOC_CON6 0x25c @@ -73,29 +72,6 @@ struct rockchip_dp_device { struct analogix_dp_plat_data plat_data; }; -static int analogix_dp_psr_set(struct drm_encoder *encoder, bool enabled) -{ - struct rockchip_dp_device *dp = to_dp(encoder); - int ret; - - if (!analogix_dp_psr_enabled(dp->adp)) - return 0; - - DRM_DEV_DEBUG(dp->dev, "%s PSR...\n", enabled ? "Entry" : "Exit"); - - ret = rockchip_drm_wait_vact_end(dp->encoder.crtc, - PSR_WAIT_LINE_FLAG_TIMEOUT_MS); - if (ret) { - DRM_DEV_ERROR(dp->dev, "line flag interrupt did not arrive\n"); - return -ETIMEDOUT; - } - - if (enabled) - return analogix_dp_enable_psr(dp->adp); - else - return analogix_dp_disable_psr(dp->adp); -} - static int rockchip_dp_pre_init(struct rockchip_dp_device *dp) { reset_control_assert(dp->rst); @@ -126,21 +102,9 @@ static int rockchip_dp_poweron_start(struct analogix_dp_plat_data *plat_data) return ret; } -static int rockchip_dp_poweron_end(struct analogix_dp_plat_data *plat_data) -{ - struct rockchip_dp_device *dp = to_dp(plat_data); - - return rockchip_drm_psr_inhibit_put(&dp->encoder); -} - static int rockchip_dp_powerdown(struct analogix_dp_plat_data *plat_data) { struct rockchip_dp_device *dp = to_dp(plat_data); - int ret; - - ret = rockchip_drm_psr_inhibit_get(&dp->encoder); - if (ret != 0) - return ret; clk_disable_unprepare(dp->pclk); @@ -180,12 +144,42 @@ static void rockchip_dp_drm_encoder_mode_set(struct drm_encoder *encoder, /* do nothing */ } -static void rockchip_dp_drm_encoder_enable(struct drm_encoder *encoder) +static +struct drm_crtc *rockchip_dp_drm_get_new_crtc(struct drm_encoder *encoder, + struct drm_atomic_state *state) +{ + struct drm_connector *connector; + struct drm_connector_state *conn_state; + + connector = drm_atomic_get_new_connector_for_encoder(state, encoder); + if (!connector) + return NULL; + + conn_state = drm_atomic_get_new_connector_state(state, connector); + if (!conn_state) + return NULL; + + return conn_state->crtc; +} + +static void rockchip_dp_drm_encoder_enable(struct drm_encoder *encoder, + struct drm_atomic_state *state) { struct rockchip_dp_device *dp = to_dp(encoder); + struct drm_crtc *crtc; + struct drm_crtc_state *old_crtc_state; int ret; u32 val; + crtc = rockchip_dp_drm_get_new_crtc(encoder, state); + if (!crtc) + return; + + old_crtc_state = drm_atomic_get_old_crtc_state(state, crtc); + /* Coming back from self refresh, nothing to do */ + if (old_crtc_state && old_crtc_state->self_refresh_active) + return; + ret = drm_of_encoder_active_endpoint_id(dp->dev->of_node, encoder); if (ret < 0) return; @@ -210,9 +204,27 @@ static void rockchip_dp_drm_encoder_enable(struct drm_encoder *encoder) clk_disable_unprepare(dp->grfclk); } -static void rockchip_dp_drm_encoder_nop(struct drm_encoder *encoder) +static void rockchip_dp_drm_encoder_disable(struct drm_encoder *encoder, + struct drm_atomic_state *state) { - /* do nothing */ + struct rockchip_dp_device *dp = to_dp(encoder); + struct drm_crtc *crtc; + struct drm_crtc_state *new_crtc_state = NULL; + int ret; + + crtc = rockchip_dp_drm_get_new_crtc(encoder, state); + /* No crtc means we're doing a full shutdown */ + if (!crtc) + return; + + new_crtc_state = drm_atomic_get_new_crtc_state(state, crtc); + /* If we're not entering self-refresh, no need to wait for vact */ + if (!new_crtc_state || !new_crtc_state->self_refresh_active) + return; + + ret = rockchip_drm_wait_vact_end(crtc, PSR_WAIT_LINE_FLAG_TIMEOUT_MS); + if (ret) + DRM_DEV_ERROR(dp->dev, "line flag irq timed out\n"); } static int @@ -241,8 +253,8 @@ rockchip_dp_drm_encoder_atomic_check(struct drm_encoder *encoder, static struct drm_encoder_helper_funcs rockchip_dp_encoder_helper_funcs = { .mode_fixup = rockchip_dp_drm_encoder_mode_fixup, .mode_set = rockchip_dp_drm_encoder_mode_set, - .enable = rockchip_dp_drm_encoder_enable, - .disable = rockchip_dp_drm_encoder_nop, + .atomic_enable = rockchip_dp_drm_encoder_enable, + .atomic_disable = rockchip_dp_drm_encoder_disable, .atomic_check = rockchip_dp_drm_encoder_atomic_check, }; @@ -334,23 +346,16 @@ static int rockchip_dp_bind(struct device *dev, struct device *master, dp->plat_data.dev_type = dp->data->chip_type; dp->plat_data.power_on_start = rockchip_dp_poweron_start; - dp->plat_data.power_on_end = rockchip_dp_poweron_end; dp->plat_data.power_off = rockchip_dp_powerdown; dp->plat_data.get_modes = rockchip_dp_get_modes; - ret = rockchip_drm_psr_register(&dp->encoder, analogix_dp_psr_set); - if (ret < 0) - goto err_cleanup_encoder; - dp->adp = analogix_dp_bind(dev, dp->drm_dev, &dp->plat_data); if (IS_ERR(dp->adp)) { ret = PTR_ERR(dp->adp); - goto err_unreg_psr; + goto err_cleanup_encoder; } return 0; -err_unreg_psr: - rockchip_drm_psr_unregister(&dp->encoder); err_cleanup_encoder: dp->encoder.funcs->destroy(&dp->encoder); return ret; @@ -362,7 +367,6 @@ static void rockchip_dp_unbind(struct device *dev, struct device *master, struct rockchip_dp_device *dp = dev_get_drvdata(dev); analogix_dp_unbind(dp->adp); - rockchip_drm_psr_unregister(&dp->encoder); dp->encoder.funcs->destroy(&dp->encoder); dp->adp = ERR_PTR(-ENODEV); diff --git a/drivers/gpu/drm/rockchip/cdn-dp-core.c b/drivers/gpu/drm/rockchip/cdn-dp-core.c index 8c32c32be85c..d505ea7d5384 100644 --- a/drivers/gpu/drm/rockchip/cdn-dp-core.c +++ b/drivers/gpu/drm/rockchip/cdn-dp-core.c @@ -4,24 +4,23 @@ * Author: Chris Zhong <zyw@rock-chips.com> */ -#include <drm/drmP.h> -#include <drm/drm_atomic_helper.h> -#include <drm/drm_dp_helper.h> -#include <drm/drm_edid.h> -#include <drm/drm_of.h> -#include <drm/drm_probe_helper.h> - #include <linux/clk.h> #include <linux/component.h> #include <linux/extcon.h> #include <linux/firmware.h> -#include <linux/regmap.h> -#include <linux/reset.h> #include <linux/mfd/syscon.h> #include <linux/phy/phy.h> +#include <linux/regmap.h> +#include <linux/reset.h> #include <sound/hdmi-codec.h> +#include <drm/drm_atomic_helper.h> +#include <drm/drm_dp_helper.h> +#include <drm/drm_edid.h> +#include <drm/drm_of.h> +#include <drm/drm_probe_helper.h> + #include "cdn-dp-core.h" #include "cdn-dp-reg.h" #include "rockchip_drm_vop.h" diff --git a/drivers/gpu/drm/rockchip/cdn-dp-core.h b/drivers/gpu/drm/rockchip/cdn-dp-core.h index f18a01e6cbc2..b85ea89eb60b 100644 --- a/drivers/gpu/drm/rockchip/cdn-dp-core.h +++ b/drivers/gpu/drm/rockchip/cdn-dp-core.h @@ -7,10 +7,10 @@ #ifndef _CDN_DP_CORE_H #define _CDN_DP_CORE_H -#include <drm/drmP.h> #include <drm/drm_dp_helper.h> #include <drm/drm_panel.h> #include <drm/drm_probe_helper.h> + #include "rockchip_drm_drv.h" #define MAX_PHY 2 diff --git a/drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c b/drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c index ef8486e5e2cd..bc073ec5c183 100644 --- a/drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c +++ b/drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c @@ -6,10 +6,6 @@ * Nickey Yang <nickey.yang@rock-chips.com> */ -#include <drm/drmP.h> -#include <drm/drm_mipi_dsi.h> -#include <drm/bridge/dw_mipi_dsi.h> -#include <drm/drm_of.h> #include <linux/clk.h> #include <linux/iopoll.h> #include <linux/math64.h> @@ -18,8 +14,13 @@ #include <linux/of_device.h> #include <linux/pm_runtime.h> #include <linux/regmap.h> + #include <video/mipi_display.h> +#include <drm/bridge/dw_mipi_dsi.h> +#include <drm/drm_mipi_dsi.h> +#include <drm/drm_of.h> + #include "rockchip_drm_drv.h" #include "rockchip_drm_vop.h" diff --git a/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c b/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c index cdc304d4cd02..906891b03a38 100644 --- a/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c +++ b/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c @@ -10,11 +10,10 @@ #include <linux/phy/phy.h> #include <linux/regmap.h> -#include <drm/drm_of.h> -#include <drm/drmP.h> +#include <drm/bridge/dw_hdmi.h> #include <drm/drm_edid.h> +#include <drm/drm_of.h> #include <drm/drm_probe_helper.h> -#include <drm/bridge/dw_hdmi.h> #include "rockchip_drm_drv.h" #include "rockchip_drm_vop.h" diff --git a/drivers/gpu/drm/rockchip/inno_hdmi.c b/drivers/gpu/drm/rockchip/inno_hdmi.c index f8ca98d294d0..ed344a795b4d 100644 --- a/drivers/gpu/drm/rockchip/inno_hdmi.c +++ b/drivers/gpu/drm/rockchip/inno_hdmi.c @@ -15,10 +15,9 @@ #include <linux/mutex.h> #include <linux/of_device.h> -#include <drm/drm_of.h> -#include <drm/drmP.h> #include <drm/drm_atomic_helper.h> #include <drm/drm_edid.h> +#include <drm/drm_of.h> #include <drm/drm_probe_helper.h> #include "rockchip_drm_drv.h" diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_drv.c b/drivers/gpu/drm/rockchip/rockchip_drm_drv.c index 53d2c5bd61dc..20ecb1508a22 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_drv.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_drv.c @@ -6,11 +6,6 @@ * based on exynos_drm_drv.c */ -#include <drm/drmP.h> -#include <drm/drm_fb_helper.h> -#include <drm/drm_gem_cma_helper.h> -#include <drm/drm_of.h> -#include <drm/drm_probe_helper.h> #include <linux/dma-mapping.h> #include <linux/dma-iommu.h> #include <linux/pm_runtime.h> @@ -21,6 +16,13 @@ #include <linux/console.h> #include <linux/iommu.h> +#include <drm/drm_drv.h> +#include <drm/drm_fb_helper.h> +#include <drm/drm_gem_cma_helper.h> +#include <drm/drm_of.h> +#include <drm/drm_probe_helper.h> +#include <drm/drm_vblank.h> + #include "rockchip_drm_drv.h" #include "rockchip_drm_fb.h" #include "rockchip_drm_fbdev.h" @@ -212,16 +214,13 @@ static const struct file_operations rockchip_drm_driver_fops = { }; static struct drm_driver rockchip_drm_driver = { - .driver_features = DRIVER_MODESET | DRIVER_GEM | - DRIVER_PRIME | DRIVER_ATOMIC, + .driver_features = DRIVER_MODESET | DRIVER_GEM | DRIVER_ATOMIC, .lastclose = drm_fb_helper_lastclose, .gem_vm_ops = &drm_gem_cma_vm_ops, .gem_free_object_unlocked = rockchip_gem_free_object, .dumb_create = rockchip_gem_dumb_create, .prime_handle_to_fd = drm_gem_prime_handle_to_fd, .prime_fd_to_handle = drm_gem_prime_fd_to_handle, - .gem_prime_import = drm_gem_prime_import, - .gem_prime_export = drm_gem_prime_export, .gem_prime_get_sg_table = rockchip_gem_prime_get_sg_table, .gem_prime_import_sg_table = rockchip_gem_prime_import_sg_table, .gem_prime_vmap = rockchip_gem_prime_vmap, @@ -330,8 +329,7 @@ static struct component_match *rockchip_drm_match_add(struct device *dev) struct device *p = NULL, *d; do { - d = bus_find_device(&platform_bus_type, p, &drv->driver, - (void *)platform_bus_type.match); + d = platform_find_device_by_driver(p, &drv->driver); put_device(p); p = d; diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_fb.c b/drivers/gpu/drm/rockchip/rockchip_drm_fb.c index 64ca87cf6d50..ca01234c037c 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_fb.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_fb.c @@ -5,18 +5,18 @@ */ #include <linux/kernel.h> + #include <drm/drm.h> -#include <drm/drmP.h> #include <drm/drm_atomic.h> #include <drm/drm_damage_helper.h> #include <drm/drm_fb_helper.h> +#include <drm/drm_fourcc.h> #include <drm/drm_gem_framebuffer_helper.h> #include <drm/drm_probe_helper.h> #include "rockchip_drm_drv.h" #include "rockchip_drm_fb.h" #include "rockchip_drm_gem.h" -#include "rockchip_drm_psr.h" static const struct drm_framebuffer_funcs rockchip_drm_fb_funcs = { .destroy = drm_gem_fb_destroy, @@ -105,31 +105,8 @@ err_gem_object_unreference: return ERR_PTR(ret); } -static void -rockchip_atomic_helper_commit_tail_rpm(struct drm_atomic_state *old_state) -{ - struct drm_device *dev = old_state->dev; - - rockchip_drm_psr_inhibit_get_state(old_state); - - drm_atomic_helper_commit_modeset_disables(dev, old_state); - - drm_atomic_helper_commit_modeset_enables(dev, old_state); - - drm_atomic_helper_commit_planes(dev, old_state, - DRM_PLANE_COMMIT_ACTIVE_ONLY); - - rockchip_drm_psr_inhibit_put_state(old_state); - - drm_atomic_helper_commit_hw_done(old_state); - - drm_atomic_helper_wait_for_vblanks(dev, old_state); - - drm_atomic_helper_cleanup_planes(dev, old_state); -} - static const struct drm_mode_config_helper_funcs rockchip_mode_config_helpers = { - .atomic_commit_tail = rockchip_atomic_helper_commit_tail_rpm, + .atomic_commit_tail = drm_atomic_helper_commit_tail_rpm, }; static const struct drm_mode_config_funcs rockchip_drm_mode_config_funcs = { diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_fbdev.c b/drivers/gpu/drm/rockchip/rockchip_drm_fbdev.c index bb8ac18298f6..02be6c5ff857 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_fbdev.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_fbdev.c @@ -5,8 +5,8 @@ */ #include <drm/drm.h> -#include <drm/drmP.h> #include <drm/drm_fb_helper.h> +#include <drm/drm_fourcc.h> #include <drm/drm_probe_helper.h> #include "rockchip_drm_drv.h" diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_gem.c b/drivers/gpu/drm/rockchip/rockchip_drm_gem.c index ba9e77acbe16..291e89b4045f 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_gem.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_gem.c @@ -4,14 +4,14 @@ * Author:Mark Yao <mark.yao@rock-chips.com> */ +#include <linux/dma-buf.h> +#include <linux/iommu.h> + #include <drm/drm.h> -#include <drm/drmP.h> #include <drm/drm_gem.h> +#include <drm/drm_prime.h> #include <drm/drm_vma_manager.h> -#include <linux/dma-buf.h> -#include <linux/iommu.h> - #include "rockchip_drm_drv.h" #include "rockchip_drm_gem.h" diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_psr.c b/drivers/gpu/drm/rockchip/rockchip_drm_psr.c deleted file mode 100644 index b604747fe453..000000000000 --- a/drivers/gpu/drm/rockchip/rockchip_drm_psr.c +++ /dev/null @@ -1,282 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * Copyright (C) Fuzhou Rockchip Electronics Co.Ltd - * Author: Yakir Yang <ykk@rock-chips.com> - */ - -#include <drm/drmP.h> -#include <drm/drm_atomic.h> -#include <drm/drm_probe_helper.h> - -#include "rockchip_drm_drv.h" -#include "rockchip_drm_psr.h" - -#define PSR_FLUSH_TIMEOUT_MS 100 - -struct psr_drv { - struct list_head list; - struct drm_encoder *encoder; - - struct mutex lock; - int inhibit_count; - bool enabled; - - struct delayed_work flush_work; - - int (*set)(struct drm_encoder *encoder, bool enable); -}; - -static struct psr_drv *find_psr_by_encoder(struct drm_encoder *encoder) -{ - struct rockchip_drm_private *drm_drv = encoder->dev->dev_private; - struct psr_drv *psr; - - mutex_lock(&drm_drv->psr_list_lock); - list_for_each_entry(psr, &drm_drv->psr_list, list) { - if (psr->encoder == encoder) - goto out; - } - psr = ERR_PTR(-ENODEV); - -out: - mutex_unlock(&drm_drv->psr_list_lock); - return psr; -} - -static int psr_set_state_locked(struct psr_drv *psr, bool enable) -{ - int ret; - - if (psr->inhibit_count > 0) - return -EINVAL; - - if (enable == psr->enabled) - return 0; - - ret = psr->set(psr->encoder, enable); - if (ret) - return ret; - - psr->enabled = enable; - return 0; -} - -static void psr_flush_handler(struct work_struct *work) -{ - struct psr_drv *psr = container_of(to_delayed_work(work), - struct psr_drv, flush_work); - - mutex_lock(&psr->lock); - psr_set_state_locked(psr, true); - mutex_unlock(&psr->lock); -} - -/** - * rockchip_drm_psr_inhibit_put - release PSR inhibit on given encoder - * @encoder: encoder to obtain the PSR encoder - * - * Decrements PSR inhibit count on given encoder. Should be called only - * for a PSR inhibit count increment done before. If PSR inhibit counter - * reaches zero, PSR flush work is scheduled to make the hardware enter - * PSR mode in PSR_FLUSH_TIMEOUT_MS. - * - * Returns: - * Zero on success, negative errno on failure. - */ -int rockchip_drm_psr_inhibit_put(struct drm_encoder *encoder) -{ - struct psr_drv *psr = find_psr_by_encoder(encoder); - - if (IS_ERR(psr)) - return PTR_ERR(psr); - - mutex_lock(&psr->lock); - --psr->inhibit_count; - WARN_ON(psr->inhibit_count < 0); - if (!psr->inhibit_count) - mod_delayed_work(system_wq, &psr->flush_work, - PSR_FLUSH_TIMEOUT_MS); - mutex_unlock(&psr->lock); - - return 0; -} -EXPORT_SYMBOL(rockchip_drm_psr_inhibit_put); - -void rockchip_drm_psr_inhibit_get_state(struct drm_atomic_state *state) -{ - struct drm_crtc *crtc; - struct drm_crtc_state *crtc_state; - struct drm_encoder *encoder; - u32 encoder_mask = 0; - int i; - - for_each_old_crtc_in_state(state, crtc, crtc_state, i) { - encoder_mask |= crtc_state->encoder_mask; - encoder_mask |= crtc->state->encoder_mask; - } - - drm_for_each_encoder_mask(encoder, state->dev, encoder_mask) - rockchip_drm_psr_inhibit_get(encoder); -} -EXPORT_SYMBOL(rockchip_drm_psr_inhibit_get_state); - -void rockchip_drm_psr_inhibit_put_state(struct drm_atomic_state *state) -{ - struct drm_crtc *crtc; - struct drm_crtc_state *crtc_state; - struct drm_encoder *encoder; - u32 encoder_mask = 0; - int i; - - for_each_old_crtc_in_state(state, crtc, crtc_state, i) { - encoder_mask |= crtc_state->encoder_mask; - encoder_mask |= crtc->state->encoder_mask; - } - - drm_for_each_encoder_mask(encoder, state->dev, encoder_mask) - rockchip_drm_psr_inhibit_put(encoder); -} -EXPORT_SYMBOL(rockchip_drm_psr_inhibit_put_state); - -/** - * rockchip_drm_psr_inhibit_get - acquire PSR inhibit on given encoder - * @encoder: encoder to obtain the PSR encoder - * - * Increments PSR inhibit count on given encoder. This function guarantees - * that after it returns PSR is turned off on given encoder and no PSR-related - * hardware state change occurs at least until a matching call to - * rockchip_drm_psr_inhibit_put() is done. - * - * Returns: - * Zero on success, negative errno on failure. - */ -int rockchip_drm_psr_inhibit_get(struct drm_encoder *encoder) -{ - struct psr_drv *psr = find_psr_by_encoder(encoder); - - if (IS_ERR(psr)) - return PTR_ERR(psr); - - mutex_lock(&psr->lock); - psr_set_state_locked(psr, false); - ++psr->inhibit_count; - mutex_unlock(&psr->lock); - cancel_delayed_work_sync(&psr->flush_work); - - return 0; -} -EXPORT_SYMBOL(rockchip_drm_psr_inhibit_get); - -static void rockchip_drm_do_flush(struct psr_drv *psr) -{ - cancel_delayed_work_sync(&psr->flush_work); - - mutex_lock(&psr->lock); - if (!psr_set_state_locked(psr, false)) - mod_delayed_work(system_wq, &psr->flush_work, - PSR_FLUSH_TIMEOUT_MS); - mutex_unlock(&psr->lock); -} - -/** - * rockchip_drm_psr_flush_all - force to flush all registered PSR encoders - * @dev: drm device - * - * Disable the PSR function for all registered encoders, and then enable the - * PSR function back after PSR_FLUSH_TIMEOUT. If encoder PSR state have been - * changed during flush time, then keep the state no change after flush - * timeout. - * - * Returns: - * Zero on success, negative errno on failure. - */ -void rockchip_drm_psr_flush_all(struct drm_device *dev) -{ - struct rockchip_drm_private *drm_drv = dev->dev_private; - struct psr_drv *psr; - - mutex_lock(&drm_drv->psr_list_lock); - list_for_each_entry(psr, &drm_drv->psr_list, list) - rockchip_drm_do_flush(psr); - mutex_unlock(&drm_drv->psr_list_lock); -} -EXPORT_SYMBOL(rockchip_drm_psr_flush_all); - -/** - * rockchip_drm_psr_register - register encoder to psr driver - * @encoder: encoder that obtain the PSR function - * @psr_set: call back to set PSR state - * - * The function returns with PSR inhibit counter initialized with one - * and the caller (typically encoder driver) needs to call - * rockchip_drm_psr_inhibit_put() when it becomes ready to accept PSR - * enable request. - * - * Returns: - * Zero on success, negative errno on failure. - */ -int rockchip_drm_psr_register(struct drm_encoder *encoder, - int (*psr_set)(struct drm_encoder *, bool enable)) -{ - struct rockchip_drm_private *drm_drv; - struct psr_drv *psr; - - if (!encoder || !psr_set) - return -EINVAL; - - drm_drv = encoder->dev->dev_private; - - psr = kzalloc(sizeof(struct psr_drv), GFP_KERNEL); - if (!psr) - return -ENOMEM; - - INIT_DELAYED_WORK(&psr->flush_work, psr_flush_handler); - mutex_init(&psr->lock); - - psr->inhibit_count = 1; - psr->enabled = false; - psr->encoder = encoder; - psr->set = psr_set; - - mutex_lock(&drm_drv->psr_list_lock); - list_add_tail(&psr->list, &drm_drv->psr_list); - mutex_unlock(&drm_drv->psr_list_lock); - - return 0; -} -EXPORT_SYMBOL(rockchip_drm_psr_register); - -/** - * rockchip_drm_psr_unregister - unregister encoder to psr driver - * @encoder: encoder that obtain the PSR function - * @psr_set: call back to set PSR state - * - * It is expected that the PSR inhibit counter is 1 when this function is - * called, which corresponds to a state when related encoder has been - * disconnected from any CRTCs and its driver called - * rockchip_drm_psr_inhibit_get() to stop the PSR logic. - * - * Returns: - * Zero on success, negative errno on failure. - */ -void rockchip_drm_psr_unregister(struct drm_encoder *encoder) -{ - struct rockchip_drm_private *drm_drv = encoder->dev->dev_private; - struct psr_drv *psr, *n; - - mutex_lock(&drm_drv->psr_list_lock); - list_for_each_entry_safe(psr, n, &drm_drv->psr_list, list) { - if (psr->encoder == encoder) { - /* - * Any other value would mean that the encoder - * is still in use. - */ - WARN_ON(psr->inhibit_count != 1); - - list_del(&psr->list); - kfree(psr); - } - } - mutex_unlock(&drm_drv->psr_list_lock); -} -EXPORT_SYMBOL(rockchip_drm_psr_unregister); diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_psr.h b/drivers/gpu/drm/rockchip/rockchip_drm_psr.h deleted file mode 100644 index 28a9c399114e..000000000000 --- a/drivers/gpu/drm/rockchip/rockchip_drm_psr.h +++ /dev/null @@ -1,22 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * Copyright (C) Fuzhou Rockchip Electronics Co.Ltd - * Author: Yakir Yang <ykk@rock-chips.com> - */ - -#ifndef __ROCKCHIP_DRM_PSR___ -#define __ROCKCHIP_DRM_PSR___ - -void rockchip_drm_psr_flush_all(struct drm_device *dev); - -int rockchip_drm_psr_inhibit_put(struct drm_encoder *encoder); -int rockchip_drm_psr_inhibit_get(struct drm_encoder *encoder); - -void rockchip_drm_psr_inhibit_get_state(struct drm_atomic_state *state); -void rockchip_drm_psr_inhibit_put_state(struct drm_atomic_state *state); - -int rockchip_drm_psr_register(struct drm_encoder *encoder, - int (*psr_set)(struct drm_encoder *, bool enable)); -void rockchip_drm_psr_unregister(struct drm_encoder *encoder); - -#endif /* __ROCKCHIP_DRM_PSR__ */ diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c index 09a790c2f3a1..613404f86668 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c @@ -4,37 +4,38 @@ * Author:Mark Yao <mark.yao@rock-chips.com> */ +#include <linux/clk.h> +#include <linux/component.h> +#include <linux/delay.h> +#include <linux/iopoll.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/of.h> +#include <linux/of_device.h> +#include <linux/overflow.h> +#include <linux/platform_device.h> +#include <linux/pm_runtime.h> +#include <linux/reset.h> + #include <drm/drm.h> -#include <drm/drmP.h> #include <drm/drm_atomic.h> #include <drm/drm_atomic_uapi.h> #include <drm/drm_crtc.h> #include <drm/drm_flip_work.h> +#include <drm/drm_fourcc.h> #include <drm/drm_gem_framebuffer_helper.h> #include <drm/drm_plane_helper.h> #include <drm/drm_probe_helper.h> +#include <drm/drm_self_refresh_helper.h> +#include <drm/drm_vblank.h> + #ifdef CONFIG_DRM_ANALOGIX_DP #include <drm/bridge/analogix_dp.h> #endif -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/platform_device.h> -#include <linux/clk.h> -#include <linux/iopoll.h> -#include <linux/of.h> -#include <linux/of_device.h> -#include <linux/pm_runtime.h> -#include <linux/component.h> -#include <linux/overflow.h> - -#include <linux/reset.h> -#include <linux/delay.h> - #include "rockchip_drm_drv.h" #include "rockchip_drm_gem.h" #include "rockchip_drm_fb.h" -#include "rockchip_drm_psr.h" #include "rockchip_drm_vop.h" #include "rockchip_rgb.h" @@ -79,7 +80,7 @@ vop_get_intr_type(vop, &vop->data->intr->name, type) #define VOP_WIN_GET(vop, win, name) \ - vop_read_reg(vop, win->offset, win->phy->name) + vop_read_reg(vop, win->base, &win->phy->name) #define VOP_WIN_HAS_REG(win, name) \ (!!(win->phy->name.mask)) @@ -124,6 +125,7 @@ struct vop { bool is_enabled; struct completion dsp_hold_completion; + unsigned int win_enabled; /* protected by dev->event_lock */ struct drm_pending_vblank_event *event; @@ -528,8 +530,10 @@ static void vop_core_clks_disable(struct vop *vop) clk_disable(vop->hclk); } -static void vop_win_disable(struct vop *vop, const struct vop_win_data *win) +static void vop_win_disable(struct vop *vop, const struct vop_win *vop_win) { + const struct vop_win_data *win = vop_win->data; + if (win->phy->scl && win->phy->scl->ext) { VOP_SCL_SET_EXT(vop, win, yrgb_hor_scl_mode, SCALE_NONE); VOP_SCL_SET_EXT(vop, win, yrgb_ver_scl_mode, SCALE_NONE); @@ -538,9 +542,10 @@ static void vop_win_disable(struct vop *vop, const struct vop_win_data *win) } VOP_WIN_SET(vop, win, enable, 0); + vop->win_enabled &= ~BIT(VOP_WIN_TO_INDEX(vop_win)); } -static int vop_enable(struct drm_crtc *crtc) +static int vop_enable(struct drm_crtc *crtc, struct drm_crtc_state *old_state) { struct vop *vop = to_vop(crtc); int ret, i; @@ -580,12 +585,17 @@ static int vop_enable(struct drm_crtc *crtc) * We need to make sure that all windows are disabled before we * enable the crtc. Otherwise we might try to scan from a destroyed * buffer later. + * + * In the case of enable-after-PSR, we don't need to worry about this + * case since the buffer is guaranteed to be valid and disabling the + * window will result in screen glitches on PSR exit. */ - for (i = 0; i < vop->data->win_size; i++) { - struct vop_win *vop_win = &vop->win[i]; - const struct vop_win_data *win = vop_win->data; + if (!old_state || !old_state->self_refresh_active) { + for (i = 0; i < vop->data->win_size; i++) { + struct vop_win *vop_win = &vop->win[i]; - vop_win_disable(vop, win); + vop_win_disable(vop, vop_win); + } } spin_unlock(&vop->reg_lock); @@ -615,6 +625,25 @@ err_put_pm_runtime: return ret; } +static void rockchip_drm_set_win_enabled(struct drm_crtc *crtc, bool enabled) +{ + struct vop *vop = to_vop(crtc); + int i; + + spin_lock(&vop->reg_lock); + + for (i = 0; i < vop->data->win_size; i++) { + struct vop_win *vop_win = &vop->win[i]; + const struct vop_win_data *win = vop_win->data; + + VOP_WIN_SET(vop, win, enable, + enabled && (vop->win_enabled & BIT(i))); + } + vop_cfg_done(vop); + + spin_unlock(&vop->reg_lock); +} + static void vop_crtc_atomic_disable(struct drm_crtc *crtc, struct drm_crtc_state *old_state) { @@ -622,9 +651,16 @@ static void vop_crtc_atomic_disable(struct drm_crtc *crtc, WARN_ON(vop->event); + if (crtc->state->self_refresh_active) + rockchip_drm_set_win_enabled(crtc, false); + mutex_lock(&vop->vop_lock); + drm_crtc_vblank_off(crtc); + if (crtc->state->self_refresh_active) + goto out; + /* * Vop standby will take effect at end of current frame, * if dsp hold valid irq happen, it means standby complete. @@ -655,6 +691,8 @@ static void vop_crtc_atomic_disable(struct drm_crtc *crtc, clk_disable(vop->dclk); vop_core_clks_disable(vop); pm_runtime_put(vop->dev); + +out: mutex_unlock(&vop->vop_lock); if (crtc->state->event && !crtc->state->active) { @@ -726,7 +764,6 @@ static void vop_plane_atomic_disable(struct drm_plane *plane, struct drm_plane_state *old_state) { struct vop_win *vop_win = to_vop_win(plane); - const struct vop_win_data *win = vop_win->data; struct vop *vop = to_vop(old_state->crtc); if (!old_state->crtc) @@ -734,7 +771,7 @@ static void vop_plane_atomic_disable(struct drm_plane *plane, spin_lock(&vop->reg_lock); - vop_win_disable(vop, win); + vop_win_disable(vop, vop_win); spin_unlock(&vop->reg_lock); } @@ -873,6 +910,7 @@ static void vop_plane_atomic_update(struct drm_plane *plane, } VOP_WIN_SET(vop, win, enable, 1); + vop->win_enabled |= BIT(win_index); spin_unlock(&vop->reg_lock); } @@ -924,12 +962,10 @@ static void vop_plane_atomic_async_update(struct drm_plane *plane, swap(plane->state->fb, new_state->fb); if (vop->is_enabled) { - rockchip_drm_psr_inhibit_get_state(new_state->state); vop_plane_atomic_update(plane, plane->state); spin_lock(&vop->reg_lock); vop_cfg_done(vop); spin_unlock(&vop->reg_lock); - rockchip_drm_psr_inhibit_put_state(new_state->state); /* * A scanout can still be occurring, so we can't drop the @@ -1033,11 +1069,17 @@ static void vop_crtc_atomic_enable(struct drm_crtc *crtc, int dither_bpc = s->output_bpc ? s->output_bpc : 10; int ret; + if (old_state && old_state->self_refresh_active) { + drm_crtc_vblank_on(crtc); + rockchip_drm_set_win_enabled(crtc, true); + return; + } + mutex_lock(&vop->vop_lock); WARN_ON(vop->event); - ret = vop_enable(crtc); + ret = vop_enable(crtc, old_state); if (ret) { mutex_unlock(&vop->vop_lock); DRM_DEV_ERROR(vop->dev, "Failed to enable vop (%d)\n", ret); @@ -1519,6 +1561,12 @@ static int vop_create_crtc(struct vop *vop) init_completion(&vop->line_flag_completion); crtc->port = port; + ret = drm_self_refresh_helper_init(crtc); + if (ret) + DRM_DEV_DEBUG_KMS(vop->dev, + "Failed to init %s with SR helpers %d, ignoring\n", + crtc->name, ret); + return 0; err_cleanup_crtc: @@ -1536,6 +1584,8 @@ static void vop_destroy_crtc(struct vop *vop) struct drm_device *drm_dev = vop->drm_dev; struct drm_plane *plane, *tmp; + drm_self_refresh_helper_cleanup(crtc); + of_node_put(crtc->port); /* @@ -1560,7 +1610,6 @@ static void vop_destroy_crtc(struct vop *vop) static int vop_initial(struct vop *vop) { - const struct vop_data *vop_data = vop->data; struct reset_control *ahb_rst; int i, ret; @@ -1627,12 +1676,13 @@ static int vop_initial(struct vop *vop) VOP_REG_SET(vop, misc, global_regdone_en, 1); VOP_REG_SET(vop, common, dsp_blank, 0); - for (i = 0; i < vop_data->win_size; i++) { - const struct vop_win_data *win = &vop_data->win[i]; + for (i = 0; i < vop->data->win_size; i++) { + struct vop_win *vop_win = &vop->win[i]; + const struct vop_win_data *win = vop_win->data; int channel = i * 2 + 1; VOP_WIN_SET(vop, win, channel, (channel + 1) << 4 | channel); - vop_win_disable(vop, win); + vop_win_disable(vop, vop_win); VOP_WIN_SET(vop, win, gate, 1); } diff --git a/drivers/gpu/drm/rockchip/rockchip_lvds.c b/drivers/gpu/drm/rockchip/rockchip_lvds.c index 830858a809e5..64aefa856896 100644 --- a/drivers/gpu/drm/rockchip/rockchip_lvds.c +++ b/drivers/gpu/drm/rockchip/rockchip_lvds.c @@ -6,21 +6,21 @@ * Sandy Huang <hjc@rock-chips.com> */ -#include <drm/drmP.h> -#include <drm/drm_atomic_helper.h> -#include <drm/drm_dp_helper.h> -#include <drm/drm_panel.h> -#include <drm/drm_of.h> -#include <drm/drm_probe_helper.h> - -#include <linux/component.h> #include <linux/clk.h> +#include <linux/component.h> #include <linux/mfd/syscon.h> #include <linux/of_graph.h> #include <linux/pinctrl/devinfo.h> +#include <linux/platform_device.h> #include <linux/pm_runtime.h> #include <linux/regmap.h> #include <linux/reset.h> +#include <drm/drm_atomic_helper.h> + +#include <drm/drm_dp_helper.h> +#include <drm/drm_of.h> +#include <drm/drm_panel.h> +#include <drm/drm_probe_helper.h> #include "rockchip_drm_drv.h" #include "rockchip_drm_vop.h" diff --git a/drivers/gpu/drm/rockchip/rockchip_rgb.c b/drivers/gpu/drm/rockchip/rockchip_rgb.c index ce4d82d293e4..89e0bb0fe0ab 100644 --- a/drivers/gpu/drm/rockchip/rockchip_rgb.c +++ b/drivers/gpu/drm/rockchip/rockchip_rgb.c @@ -5,16 +5,15 @@ * Sandy Huang <hjc@rock-chips.com> */ -#include <drm/drmP.h> +#include <linux/component.h> +#include <linux/of_graph.h> + #include <drm/drm_atomic_helper.h> #include <drm/drm_dp_helper.h> -#include <drm/drm_panel.h> #include <drm/drm_of.h> +#include <drm/drm_panel.h> #include <drm/drm_probe_helper.h> -#include <linux/component.h> -#include <linux/of_graph.h> - #include "rockchip_drm_drv.h" #include "rockchip_drm_vop.h" diff --git a/drivers/gpu/drm/rockchip/rockchip_vop_reg.c b/drivers/gpu/drm/rockchip/rockchip_vop_reg.c index 7b9c74750f6d..d1494be14471 100644 --- a/drivers/gpu/drm/rockchip/rockchip_vop_reg.c +++ b/drivers/gpu/drm/rockchip/rockchip_vop_reg.c @@ -4,10 +4,15 @@ * Author:Mark Yao <mark.yao@rock-chips.com> */ -#include <drm/drmP.h> - -#include <linux/kernel.h> #include <linux/component.h> +#include <linux/mod_devicetable.h> +#include <linux/module.h> +#include <linux/of.h> +#include <linux/platform_device.h> + +#include <drm/drm_fourcc.h> +#include <drm/drm_plane.h> +#include <drm/drm_print.h> #include "rockchip_drm_vop.h" #include "rockchip_vop_reg.h" |