diff options
Diffstat (limited to 'drivers/gpu')
78 files changed, 2725 insertions, 868 deletions
diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig index 2a72d2feb76d..a8054dde49b5 100644 --- a/drivers/gpu/drm/Kconfig +++ b/drivers/gpu/drm/Kconfig @@ -213,6 +213,17 @@ config DRM_VGEM as used by Mesa's software renderer for enhanced performance. If M is selected the module will be called vgem. +config DRM_VKMS + tristate "Virtual KMS (EXPERIMENTAL)" + depends on DRM + select DRM_KMS_HELPER + default n + help + Virtual Kernel Mode-Setting (VKMS) is used for testing or for + running GPU in a headless machines. Choose this option to get + a VKMS. + + If M is selected the module will be called vkms. source "drivers/gpu/drm/exynos/Kconfig" diff --git a/drivers/gpu/drm/Makefile b/drivers/gpu/drm/Makefile index 69c13517ea3a..0e0a3ef1abad 100644 --- a/drivers/gpu/drm/Makefile +++ b/drivers/gpu/drm/Makefile @@ -18,7 +18,7 @@ drm-y := drm_auth.o drm_bufs.o drm_cache.o \ drm_encoder.o drm_mode_object.o drm_property.o \ drm_plane.o drm_color_mgmt.o drm_print.o \ drm_dumb_buffers.o drm_mode_config.o drm_vblank.o \ - drm_syncobj.o drm_lease.o drm_writeback.o + drm_syncobj.o drm_lease.o drm_writeback.o drm_client.o drm-$(CONFIG_DRM_LIB_RANDOM) += lib/drm_random.o drm-$(CONFIG_DRM_VM) += drm_vm.o @@ -69,6 +69,7 @@ obj-$(CONFIG_DRM_SAVAGE)+= savage/ obj-$(CONFIG_DRM_VMWGFX)+= vmwgfx/ obj-$(CONFIG_DRM_VIA) +=via/ obj-$(CONFIG_DRM_VGEM) += vgem/ +obj-$(CONFIG_DRM_VKMS) += vkms/ obj-$(CONFIG_DRM_NOUVEAU) +=nouveau/ obj-$(CONFIG_DRM_EXYNOS) +=exynos/ obj-$(CONFIG_DRM_ROCKCHIP) +=rockchip/ diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c index 8e66851eb427..881f7cb7ae6e 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c @@ -212,30 +212,21 @@ static void amdgpu_connector_update_scratch_regs(struct drm_connector *connector, enum drm_connector_status status) { - struct drm_encoder *best_encoder = NULL; - struct drm_encoder *encoder = NULL; + struct drm_encoder *best_encoder; + struct drm_encoder *encoder; const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private; bool connected; int i; best_encoder = connector_funcs->best_encoder(connector); - for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { - if (connector->encoder_ids[i] == 0) - break; - - encoder = drm_encoder_find(connector->dev, NULL, - connector->encoder_ids[i]); - if (!encoder) - continue; - + drm_connector_for_each_possible_encoder(connector, encoder, i) { if ((encoder == best_encoder) && (status == connector_status_connected)) connected = true; else connected = false; amdgpu_atombios_encoder_set_bios_scratch_regs(connector, encoder, connected); - } } @@ -246,17 +237,11 @@ amdgpu_connector_find_encoder(struct drm_connector *connector, struct drm_encoder *encoder; int i; - for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { - if (connector->encoder_ids[i] == 0) - break; - encoder = drm_encoder_find(connector->dev, NULL, - connector->encoder_ids[i]); - if (!encoder) - continue; - + drm_connector_for_each_possible_encoder(connector, encoder, i) { if (encoder->encoder_type == encoder_type) return encoder; } + return NULL; } @@ -360,11 +345,13 @@ static int amdgpu_connector_ddc_get_modes(struct drm_connector *connector) static struct drm_encoder * amdgpu_connector_best_single_encoder(struct drm_connector *connector) { - int enc_id = connector->encoder_ids[0]; + struct drm_encoder *encoder; + int i; + + /* pick the first one */ + drm_connector_for_each_possible_encoder(connector, encoder, i) + return encoder; - /* pick the encoder ids */ - if (enc_id) - return drm_encoder_find(connector->dev, NULL, enc_id); return NULL; } @@ -985,9 +972,8 @@ amdgpu_connector_dvi_detect(struct drm_connector *connector, bool force) struct drm_device *dev = connector->dev; struct amdgpu_device *adev = dev->dev_private; struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector); - struct drm_encoder *encoder = NULL; const struct drm_encoder_helper_funcs *encoder_funcs; - int i, r; + int r; enum drm_connector_status ret = connector_status_disconnected; bool dret = false, broken_edid = false; @@ -1077,14 +1063,10 @@ amdgpu_connector_dvi_detect(struct drm_connector *connector, bool force) /* find analog encoder */ if (amdgpu_connector->dac_load_detect) { - for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { - if (connector->encoder_ids[i] == 0) - break; - - encoder = drm_encoder_find(connector->dev, NULL, connector->encoder_ids[i]); - if (!encoder) - continue; + struct drm_encoder *encoder; + int i; + drm_connector_for_each_possible_encoder(connector, encoder, i) { if (encoder->encoder_type != DRM_MODE_ENCODER_DAC && encoder->encoder_type != DRM_MODE_ENCODER_TVDAC) continue; @@ -1132,18 +1114,11 @@ exit: static struct drm_encoder * amdgpu_connector_dvi_encoder(struct drm_connector *connector) { - int enc_id = connector->encoder_ids[0]; struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector); struct drm_encoder *encoder; int i; - for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { - if (connector->encoder_ids[i] == 0) - break; - - encoder = drm_encoder_find(connector->dev, NULL, connector->encoder_ids[i]); - if (!encoder) - continue; + drm_connector_for_each_possible_encoder(connector, encoder, i) { if (amdgpu_connector->use_digital == true) { if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS) return encoder; @@ -1158,8 +1133,9 @@ amdgpu_connector_dvi_encoder(struct drm_connector *connector) /* then check use digitial */ /* pick the first one */ - if (enc_id) - return drm_encoder_find(connector->dev, NULL, enc_id); + drm_connector_for_each_possible_encoder(connector, encoder, i) + return encoder; + return NULL; } @@ -1296,15 +1272,7 @@ u16 amdgpu_connector_encoder_get_dp_bridge_encoder_id(struct drm_connector *conn struct amdgpu_encoder *amdgpu_encoder; int i; - for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { - if (connector->encoder_ids[i] == 0) - break; - - encoder = drm_encoder_find(connector->dev, NULL, - connector->encoder_ids[i]); - if (!encoder) - continue; - + drm_connector_for_each_possible_encoder(connector, encoder, i) { amdgpu_encoder = to_amdgpu_encoder(encoder); switch (amdgpu_encoder->encoder_id) { @@ -1326,14 +1294,7 @@ static bool amdgpu_connector_encoder_is_hbr2(struct drm_connector *connector) int i; bool found = false; - for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { - if (connector->encoder_ids[i] == 0) - break; - encoder = drm_encoder_find(connector->dev, NULL, - connector->encoder_ids[i]); - if (!encoder) - continue; - + drm_connector_for_each_possible_encoder(connector, encoder, i) { amdgpu_encoder = to_amdgpu_encoder(encoder); if (amdgpu_encoder->caps & ATOM_ENCODER_CAP_RECORD_HBR2) found = true; diff --git a/drivers/gpu/drm/amd/amdgpu/dce_virtual.c b/drivers/gpu/drm/amd/amdgpu/dce_virtual.c index dbf2ccd0c744..016f15093173 100644 --- a/drivers/gpu/drm/amd/amdgpu/dce_virtual.c +++ b/drivers/gpu/drm/amd/amdgpu/dce_virtual.c @@ -269,25 +269,18 @@ static int dce_virtual_early_init(void *handle) static struct drm_encoder * dce_virtual_encoder(struct drm_connector *connector) { - int enc_id = connector->encoder_ids[0]; struct drm_encoder *encoder; int i; - for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { - if (connector->encoder_ids[i] == 0) - break; - - encoder = drm_encoder_find(connector->dev, NULL, connector->encoder_ids[i]); - if (!encoder) - continue; - + drm_connector_for_each_possible_encoder(connector, encoder, i) { if (encoder->encoder_type == DRM_MODE_ENCODER_VIRTUAL) return encoder; } /* pick the first one */ - if (enc_id) - return drm_encoder_find(connector->dev, NULL, enc_id); + drm_connector_for_each_possible_encoder(connector, encoder, i) + return encoder; + return NULL; } diff --git a/drivers/gpu/drm/bridge/cdns-dsi.c b/drivers/gpu/drm/bridge/cdns-dsi.c index f2d43f24acfb..ce9496d13986 100644 --- a/drivers/gpu/drm/bridge/cdns-dsi.c +++ b/drivers/gpu/drm/bridge/cdns-dsi.c @@ -1152,7 +1152,7 @@ static int cdns_dsi_attach(struct mipi_dsi_host *host, np = of_node_get(dev->dev.of_node); panel = of_drm_find_panel(np); - if (panel) { + if (!IS_ERR(panel)) { bridge = drm_panel_bridge_add(panel, DRM_MODE_CONNECTOR_DSI); } else { bridge = of_drm_find_bridge(dev->dev.of_node); diff --git a/drivers/gpu/drm/bridge/lvds-encoder.c b/drivers/gpu/drm/bridge/lvds-encoder.c index 75b0d3f6e4de..f56c92f7af7c 100644 --- a/drivers/gpu/drm/bridge/lvds-encoder.c +++ b/drivers/gpu/drm/bridge/lvds-encoder.c @@ -68,9 +68,9 @@ static int lvds_encoder_probe(struct platform_device *pdev) panel = of_drm_find_panel(panel_node); of_node_put(panel_node); - if (!panel) { + if (IS_ERR(panel)) { dev_dbg(&pdev->dev, "panel not found, deferring probe\n"); - return -EPROBE_DEFER; + return PTR_ERR(panel); } lvds_encoder->panel_bridge = diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c index 4215be9a9fc5..3eb061e11e2e 100644 --- a/drivers/gpu/drm/drm_atomic.c +++ b/drivers/gpu/drm/drm_atomic.c @@ -1111,6 +1111,7 @@ static void drm_atomic_plane_print_state(struct drm_printer *p, drm_printf(p, "\tcrtc-pos=" DRM_RECT_FMT "\n", DRM_RECT_ARG(&dest)); drm_printf(p, "\tsrc-pos=" DRM_RECT_FP_FMT "\n", DRM_RECT_FP_ARG(&src)); drm_printf(p, "\trotation=%x\n", state->rotation); + drm_printf(p, "\tnormalized-zpos=%x\n", state->normalized_zpos); drm_printf(p, "\tcolor-encoding=%s\n", drm_get_color_encoding_name(state->color_encoding)); drm_printf(p, "\tcolor-range=%s\n", @@ -2427,6 +2428,7 @@ static int prepare_signaling(struct drm_device *dev, } for_each_new_connector_in_state(state, conn, conn_state, i) { + struct drm_writeback_connector *wb_conn; struct drm_writeback_job *job; struct drm_out_fence_state *f; struct dma_fence *fence; @@ -2450,7 +2452,8 @@ static int prepare_signaling(struct drm_device *dev, f[*num_fences].out_fence_ptr = fence_ptr; *fence_state = f; - fence = drm_writeback_get_out_fence((struct drm_writeback_connector *)conn); + wb_conn = drm_connector_to_writeback(conn); + fence = drm_writeback_get_out_fence(wb_conn); if (!fence) return -ENOMEM; diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c index 8008a7de2e10..91fda6b8926e 100644 --- a/drivers/gpu/drm/drm_atomic_helper.c +++ b/drivers/gpu/drm/drm_atomic_helper.c @@ -645,7 +645,7 @@ drm_atomic_helper_check_modeset(struct drm_device *dev, if (ret) return ret; - connectors_mask += BIT(i); + connectors_mask |= BIT(i); } /* @@ -1184,10 +1184,12 @@ static void drm_atomic_helper_commit_writebacks(struct drm_device *dev, const struct drm_connector_helper_funcs *funcs; funcs = connector->helper_private; + if (!funcs->atomic_commit) + continue; if (new_conn_state->writeback_job && new_conn_state->writeback_job->fb) { WARN_ON(connector->connector_type != DRM_MODE_CONNECTOR_WRITEBACK); - funcs->atomic_commit(connector, new_conn_state->writeback_job); + funcs->atomic_commit(connector, new_conn_state); } } } @@ -1448,6 +1450,8 @@ void drm_atomic_helper_commit_tail(struct drm_atomic_state *old_state) drm_atomic_helper_commit_modeset_enables(dev, old_state); + drm_atomic_helper_fake_vblank(old_state); + drm_atomic_helper_commit_hw_done(old_state); drm_atomic_helper_wait_for_vblanks(dev, old_state); @@ -1477,6 +1481,8 @@ void drm_atomic_helper_commit_tail_rpm(struct drm_atomic_state *old_state) drm_atomic_helper_commit_planes(dev, old_state, DRM_PLANE_COMMIT_ACTIVE_ONLY); + drm_atomic_helper_fake_vblank(old_state); + drm_atomic_helper_commit_hw_done(old_state); drm_atomic_helper_wait_for_vblanks(dev, old_state); @@ -2052,6 +2058,45 @@ void drm_atomic_helper_wait_for_dependencies(struct drm_atomic_state *old_state) EXPORT_SYMBOL(drm_atomic_helper_wait_for_dependencies); /** + * drm_atomic_helper_fake_vblank - fake VBLANK events if needed + * @old_state: atomic state object with old state structures + * + * This function walks all CRTCs and fake VBLANK events on those with + * &drm_crtc_state.no_vblank set to true and &drm_crtc_state.event != NULL. + * The primary use of this function is writeback connectors working in oneshot + * mode and faking VBLANK events. In this case they only fake the VBLANK event + * when a job is queued, and any change to the pipeline that does not touch the + * connector is leading to timeouts when calling + * drm_atomic_helper_wait_for_vblanks() or + * drm_atomic_helper_wait_for_flip_done(). + * + * This is part of the atomic helper support for nonblocking commits, see + * drm_atomic_helper_setup_commit() for an overview. + */ +void drm_atomic_helper_fake_vblank(struct drm_atomic_state *old_state) +{ + struct drm_crtc_state *new_crtc_state; + struct drm_crtc *crtc; + int i; + + for_each_new_crtc_in_state(old_state, crtc, new_crtc_state, i) { + unsigned long flags; + + if (!new_crtc_state->no_vblank) + continue; + + spin_lock_irqsave(&old_state->dev->event_lock, flags); + if (new_crtc_state->event) { + drm_crtc_send_vblank_event(crtc, + new_crtc_state->event); + new_crtc_state->event = NULL; + } + spin_unlock_irqrestore(&old_state->dev->event_lock, flags); + } +} +EXPORT_SYMBOL(drm_atomic_helper_fake_vblank); + +/** * drm_atomic_helper_commit_hw_done - setup possible nonblocking commit * @old_state: atomic state object with old state structures * diff --git a/drivers/gpu/drm/drm_client.c b/drivers/gpu/drm/drm_client.c new file mode 100644 index 000000000000..9b142f58d489 --- /dev/null +++ b/drivers/gpu/drm/drm_client.c @@ -0,0 +1,406 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright 2018 Noralf Trønnes + */ + +#include <linux/list.h> +#include <linux/module.h> +#include <linux/mutex.h> +#include <linux/seq_file.h> +#include <linux/slab.h> + +#include <drm/drm_client.h> +#include <drm/drm_debugfs.h> +#include <drm/drm_device.h> +#include <drm/drm_drv.h> +#include <drm/drm_file.h> +#include <drm/drm_fourcc.h> +#include <drm/drm_gem.h> +#include <drm/drm_mode.h> +#include <drm/drm_print.h> +#include <drm/drmP.h> + +#include "drm_crtc_internal.h" +#include "drm_internal.h" + +/** + * DOC: overview + * + * This library provides support for clients running in the kernel like fbdev and bootsplash. + * Currently it's only partially implemented, just enough to support fbdev. + * + * GEM drivers which provide a GEM based dumb buffer with a virtual address are supported. + */ + +static int drm_client_open(struct drm_client_dev *client) |