From 7db3eba6bf84ab744e39dcce24b7e06d01bab913 Mon Sep 17 00:00:00 2001 From: Seung-Woo Kim Date: Tue, 18 Oct 2011 16:58:05 +0900 Subject: drm/exynos: added kms poll for handling hpd event this patch adds kms poll infrastructure to handle hotplug detection event Signed-off-by: Seung-Woo Kim Signed-off-by: Inki Dae Signed-off-by: Kyungmin Park --- drivers/gpu/drm/exynos/exynos_drm_drv.c | 5 +++++ drivers/gpu/drm/exynos/exynos_drm_fb.c | 12 ++++++++++++ 2 files changed, 17 insertions(+) diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.c b/drivers/gpu/drm/exynos/exynos_drm_drv.c index 83810cb..53e2216 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_drv.c +++ b/drivers/gpu/drm/exynos/exynos_drm_drv.c @@ -27,6 +27,7 @@ #include "drmP.h" #include "drm.h" +#include "drm_crtc_helper.h" #include @@ -61,6 +62,9 @@ static int exynos_drm_load(struct drm_device *dev, unsigned long flags) drm_mode_config_init(dev); + /* init kms poll for handling hpd */ + drm_kms_helper_poll_init(dev); + exynos_drm_mode_config_init(dev); /* @@ -116,6 +120,7 @@ static int exynos_drm_unload(struct drm_device *dev) exynos_drm_fbdev_fini(dev); exynos_drm_device_unregister(dev); drm_vblank_cleanup(dev); + drm_kms_helper_poll_fini(dev); drm_mode_config_cleanup(dev); kfree(dev->dev_private); diff --git a/drivers/gpu/drm/exynos/exynos_drm_fb.c b/drivers/gpu/drm/exynos/exynos_drm_fb.c index 48d29cf..7d91a54 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fb.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fb.c @@ -29,7 +29,9 @@ #include "drmP.h" #include "drm_crtc.h" #include "drm_crtc_helper.h" +#include "drm_fb_helper.h" +#include "exynos_drm_drv.h" #include "exynos_drm_fb.h" #include "exynos_drm_buf.h" #include "exynos_drm_gem.h" @@ -238,8 +240,18 @@ struct exynos_drm_buf_entry *exynos_drm_fb_get_buf(struct drm_framebuffer *fb) return entry; } +static void exynos_drm_output_poll_changed(struct drm_device *dev) +{ + struct exynos_drm_private *private = dev->dev_private; + struct drm_fb_helper *fb_helper = private->fb_helper; + + if (fb_helper) + drm_fb_helper_hotplug_event(fb_helper); +} + static struct drm_mode_config_funcs exynos_drm_mode_config_funcs = { .fb_create = exynos_drm_fb_create, + .output_poll_changed = exynos_drm_output_poll_changed, }; void exynos_drm_mode_config_init(struct drm_device *dev) -- cgit v1.1 From 1b17b206560c433ae9e8f8409f3f3842949a74c8 Mon Sep 17 00:00:00 2001 From: Seung-Woo Kim Date: Wed, 19 Oct 2011 15:10:10 +0900 Subject: drm/exynos: fixed connector flag with hpd and interlace scan for hdmi hdmi display in exynos supports hotplug event and interlace scan mode Signed-off-by: Seung-Woo Kim Signed-off-by: Inki Dae Signed-off-by: Kyungmin Park --- drivers/gpu/drm/exynos/exynos_drm_connector.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/exynos/exynos_drm_connector.c b/drivers/gpu/drm/exynos/exynos_drm_connector.c index 985d9e7..d1a459f 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_connector.c +++ b/drivers/gpu/drm/exynos/exynos_drm_connector.c @@ -254,6 +254,8 @@ struct drm_connector *exynos_drm_connector_create(struct drm_device *dev, switch (manager->display->type) { case EXYNOS_DISPLAY_TYPE_HDMI: type = DRM_MODE_CONNECTOR_HDMIA; + connector->interlace_allowed = true; + connector->polled = DRM_CONNECTOR_POLL_HPD; break; default: type = DRM_MODE_CONNECTOR_Unknown; -- cgit v1.1 From 8b58dfe0290cb57e3f8601b197f00c23fa39a60d Mon Sep 17 00:00:00 2001 From: Seung-Woo Kim Date: Wed, 19 Oct 2011 15:11:55 +0900 Subject: drm/exynos: fixed converting between display mode and timing missing members are added into converting function between timing and display mode and refresh rate of display mode is calculated by drm mode function. Signed-off-by: Seung-Woo Kim Signed-off-by: Inki Dae Signed-off-by: Kyungmin Park --- drivers/gpu/drm/exynos/exynos_drm_connector.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/exynos/exynos_drm_connector.c b/drivers/gpu/drm/exynos/exynos_drm_connector.c index d1a459f..7ca1274 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_connector.c +++ b/drivers/gpu/drm/exynos/exynos_drm_connector.c @@ -47,6 +47,7 @@ convert_to_display_mode(struct drm_display_mode *mode, DRM_DEBUG_KMS("%s\n", __FILE__); mode->clock = timing->pixclock / 1000; + mode->vrefresh = timing->refresh; mode->hdisplay = timing->xres; mode->hsync_start = mode->hdisplay + timing->left_margin; @@ -57,6 +58,12 @@ convert_to_display_mode(struct drm_display_mode *mode, mode->vsync_start = mode->vdisplay + timing->upper_margin; mode->vsync_end = mode->vsync_start + timing->vsync_len; mode->vtotal = mode->vsync_end + timing->lower_margin; + + if (timing->vmode & FB_VMODE_INTERLACED) + mode->flags |= DRM_MODE_FLAG_INTERLACE; + + if (timing->vmode & FB_VMODE_DOUBLE) + mode->flags |= DRM_MODE_FLAG_DBLSCAN; } /* convert drm_display_mode to exynos_video_timings */ @@ -69,7 +76,7 @@ convert_to_video_timing(struct fb_videomode *timing, memset(timing, 0, sizeof(*timing)); timing->pixclock = mode->clock * 1000; - timing->refresh = mode->vrefresh; + timing->refresh = drm_mode_vrefresh(mode); timing->xres = mode->hdisplay; timing->left_margin = mode->hsync_start - mode->hdisplay; -- cgit v1.1 From adb6b1596743e93e50fad2ff26d9604cda4361ab Mon Sep 17 00:00:00 2001 From: Inki Dae Date: Wed, 19 Oct 2011 17:16:55 +0900 Subject: drm/exynos: added manager object to connector connector contains some contents for display controller so the connector also should be able to access controller through manager. Signed-off-by: Inki Dae Signed-off-by: Seung-Woo Kim Signed-off-by: Kyungmin Park --- drivers/gpu/drm/exynos/exynos_drm_connector.c | 38 ++++++++++++++++++++++----- drivers/gpu/drm/exynos/exynos_drm_encoder.c | 3 ++- 2 files changed, 33 insertions(+), 8 deletions(-) diff --git a/drivers/gpu/drm/exynos/exynos_drm_connector.c b/drivers/gpu/drm/exynos/exynos_drm_connector.c index 7ca1274..d33f803 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_connector.c +++ b/drivers/gpu/drm/exynos/exynos_drm_connector.c @@ -37,6 +37,8 @@ struct exynos_drm_connector { struct drm_connector drm_connector; + uint32_t encoder_id; + struct exynos_drm_manager *manager; }; /* convert exynos_video_timings to drm_display_mode */ @@ -99,8 +101,9 @@ convert_to_video_timing(struct fb_videomode *timing, static int exynos_drm_connector_get_modes(struct drm_connector *connector) { - struct exynos_drm_manager *manager = - exynos_drm_get_manager(connector->encoder); + struct exynos_drm_connector *exynos_connector = + to_exynos_connector(connector); + struct exynos_drm_manager *manager = exynos_connector->manager; struct exynos_drm_display *display = manager->display; unsigned int count; @@ -169,8 +172,9 @@ static int exynos_drm_connector_get_modes(struct drm_connector *connector) static int exynos_drm_connector_mode_valid(struct drm_connector *connector, struct drm_display_mode *mode) { - struct exynos_drm_manager *manager = - exynos_drm_get_manager(connector->encoder); + struct exynos_drm_connector *exynos_connector = + to_exynos_connector(connector); + struct exynos_drm_manager *manager = exynos_connector->manager; struct exynos_drm_display *display = manager->display; struct fb_videomode timing; int ret = MODE_BAD; @@ -188,9 +192,25 @@ static int exynos_drm_connector_mode_valid(struct drm_connector *connector, struct drm_encoder *exynos_drm_best_encoder(struct drm_connector *connector) { + struct drm_device *dev = connector->dev; + struct exynos_drm_connector *exynos_connector = + to_exynos_connector(connector); + struct drm_mode_object *obj; + struct drm_encoder *encoder; + DRM_DEBUG_KMS("%s\n", __FILE__); - return connector->encoder; + obj = drm_mode_object_find(dev, exynos_connector->encoder_id, + DRM_MODE_OBJECT_ENCODER); + if (!obj) { + DRM_DEBUG_KMS("Unknown ENCODER ID %d\n", + exynos_connector->encoder_id); + return NULL; + } + + encoder = obj_to_encoder(obj); + + return encoder; } static struct drm_connector_helper_funcs exynos_connector_helper_funcs = { @@ -203,8 +223,9 @@ static struct drm_connector_helper_funcs exynos_connector_helper_funcs = { static enum drm_connector_status exynos_drm_connector_detect(struct drm_connector *connector, bool force) { - struct exynos_drm_manager *manager = - exynos_drm_get_manager(connector->encoder); + struct exynos_drm_connector *exynos_connector = + to_exynos_connector(connector); + struct exynos_drm_manager *manager = exynos_connector->manager; struct exynos_drm_display *display = manager->display; enum drm_connector_status status = connector_status_disconnected; @@ -276,7 +297,10 @@ struct drm_connector *exynos_drm_connector_create(struct drm_device *dev, if (err) goto err_connector; + exynos_connector->encoder_id = encoder->base.id; + exynos_connector->manager = manager; connector->encoder = encoder; + err = drm_mode_connector_attach_encoder(connector, encoder); if (err) { DRM_ERROR("failed to attach a connector to a encoder\n"); diff --git a/drivers/gpu/drm/exynos/exynos_drm_encoder.c b/drivers/gpu/drm/exynos/exynos_drm_encoder.c index 7cf6fa8..4e5535b 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_encoder.c +++ b/drivers/gpu/drm/exynos/exynos_drm_encoder.c @@ -58,7 +58,8 @@ static void exynos_drm_encoder_dpms(struct drm_encoder *encoder, int mode) list_for_each_entry(connector, &dev->mode_config.connector_list, head) { if (connector->encoder == encoder) { - struct exynos_drm_display *display = manager->display; + struct exynos_drm_display *display = + manager->display; if (display && display->power_on) display->power_on(manager->dev, mode); -- cgit v1.1 From 74ccc539bcebdb24afb74194223f92a96a7285ed Mon Sep 17 00:00:00 2001 From: Inki Dae Date: Wed, 19 Oct 2011 17:23:07 +0900 Subject: drm/exynos: changed exynos_drm_display to exynos_drm_display_ops exynos_drm_display has function pointes so exynos_drm_display_ops is better to describe. Signed-off-by: Inki Dae Signed-off-by: Kyungmin Park --- drivers/gpu/drm/exynos/exynos_drm_connector.c | 29 ++++++++++++++------------- drivers/gpu/drm/exynos/exynos_drm_drv.h | 4 ++-- drivers/gpu/drm/exynos/exynos_drm_encoder.c | 8 ++++---- drivers/gpu/drm/exynos/exynos_drm_fimd.c | 4 ++-- 4 files changed, 23 insertions(+), 22 deletions(-) diff --git a/drivers/gpu/drm/exynos/exynos_drm_connector.c b/drivers/gpu/drm/exynos/exynos_drm_connector.c index d33f803..d620b07 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_connector.c +++ b/drivers/gpu/drm/exynos/exynos_drm_connector.c @@ -104,13 +104,13 @@ static int exynos_drm_connector_get_modes(struct drm_connector *connector) struct exynos_drm_connector *exynos_connector = to_exynos_connector(connector); struct exynos_drm_manager *manager = exynos_connector->manager; - struct exynos_drm_display *display = manager->display; + struct exynos_drm_display_ops *display_ops = manager->display_ops; unsigned int count; DRM_DEBUG_KMS("%s\n", __FILE__); - if (!display) { - DRM_DEBUG_KMS("display is null.\n"); + if (!display_ops) { + DRM_DEBUG_KMS("display_ops is null.\n"); return 0; } @@ -122,7 +122,7 @@ static int exynos_drm_connector_get_modes(struct drm_connector *connector) * P.S. in case of lcd panel, count is always 1 if success * because lcd panel has only one mode. */ - if (display->get_edid) { + if (display_ops->get_edid) { int ret; void *edid; @@ -132,7 +132,7 @@ static int exynos_drm_connector_get_modes(struct drm_connector *connector) return 0; } - ret = display->get_edid(manager->dev, connector, + ret = display_ops->get_edid(manager->dev, connector, edid, MAX_EDID); if (ret < 0) { DRM_ERROR("failed to get edid data.\n"); @@ -150,8 +150,8 @@ static int exynos_drm_connector_get_modes(struct drm_connector *connector) struct drm_display_mode *mode = drm_mode_create(connector->dev); struct fb_videomode *timing; - if (display->get_timing) - timing = display->get_timing(manager->dev); + if (display_ops->get_timing) + timing = display_ops->get_timing(manager->dev); else { drm_mode_destroy(connector->dev, mode); return 0; @@ -175,7 +175,7 @@ static int exynos_drm_connector_mode_valid(struct drm_connector *connector, struct exynos_drm_connector *exynos_connector = to_exynos_connector(connector); struct exynos_drm_manager *manager = exynos_connector->manager; - struct exynos_drm_display *display = manager->display; + struct exynos_drm_display_ops *display_ops = manager->display_ops; struct fb_videomode timing; int ret = MODE_BAD; @@ -183,8 +183,8 @@ static int exynos_drm_connector_mode_valid(struct drm_connector *connector, convert_to_video_timing(&timing, mode); - if (display && display->check_timing) - if (!display->check_timing(manager->dev, (void *)&timing)) + if (display_ops && display_ops->check_timing) + if (!display_ops->check_timing(manager->dev, (void *)&timing)) ret = MODE_OK; return ret; @@ -226,13 +226,14 @@ exynos_drm_connector_detect(struct drm_connector *connector, bool force) struct exynos_drm_connector *exynos_connector = to_exynos_connector(connector); struct exynos_drm_manager *manager = exynos_connector->manager; - struct exynos_drm_display *display = manager->display; + struct exynos_drm_display_ops *display_ops = + manager->display_ops; enum drm_connector_status status = connector_status_disconnected; DRM_DEBUG_KMS("%s\n", __FILE__); - if (display && display->is_connected) { - if (display->is_connected(manager->dev)) + if (display_ops && display_ops->is_connected) { + if (display_ops->is_connected(manager->dev)) status = connector_status_connected; else status = connector_status_disconnected; @@ -279,7 +280,7 @@ struct drm_connector *exynos_drm_connector_create(struct drm_device *dev, connector = &exynos_connector->drm_connector; - switch (manager->display->type) { + switch (manager->display_ops->type) { case EXYNOS_DISPLAY_TYPE_HDMI: type = DRM_MODE_CONNECTOR_HDMIA; connector->interlace_allowed = true; diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.h b/drivers/gpu/drm/exynos/exynos_drm_drv.h index c03683f..1575e5f 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_drv.h +++ b/drivers/gpu/drm/exynos/exynos_drm_drv.h @@ -130,7 +130,7 @@ struct exynos_drm_overlay { * @check_timing: check if timing is valid or not. * @power_on: display device on or off. */ -struct exynos_drm_display { +struct exynos_drm_display_ops { enum exynos_drm_output_type type; bool (*is_connected)(struct device *dev); int (*get_edid)(struct device *dev, struct drm_connector *connector, @@ -178,7 +178,7 @@ struct exynos_drm_manager { int pipe; struct exynos_drm_manager_ops *ops; struct exynos_drm_overlay_ops *overlay_ops; - struct exynos_drm_display *display; + struct exynos_drm_display_ops *display_ops; }; /* diff --git a/drivers/gpu/drm/exynos/exynos_drm_encoder.c b/drivers/gpu/drm/exynos/exynos_drm_encoder.c index 4e5535b..0034fa7 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_encoder.c +++ b/drivers/gpu/drm/exynos/exynos_drm_encoder.c @@ -58,11 +58,11 @@ static void exynos_drm_encoder_dpms(struct drm_encoder *encoder, int mode) list_for_each_entry(connector, &dev->mode_config.connector_list, head) { if (connector->encoder == encoder) { - struct exynos_drm_display *display = - manager->display; + struct exynos_drm_display_ops *display_ops = + manager->display_ops; - if (display && display->power_on) - display->power_on(manager->dev, mode); + if (display_ops && display_ops->power_on) + display_ops->power_on(manager->dev, mode); } } } diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c index 4659c88..f2d883f 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c @@ -124,7 +124,7 @@ static int fimd_display_power_on(struct device *dev, int mode) return 0; } -static struct exynos_drm_display fimd_display = { +static struct exynos_drm_display_ops fimd_display_ops = { .type = EXYNOS_DISPLAY_TYPE_LCD, .is_connected = fimd_display_is_connected, .get_timing = fimd_get_timing, @@ -731,7 +731,7 @@ static int __devinit fimd_probe(struct platform_device *pdev) subdrv->manager.pipe = -1; subdrv->manager.ops = &fimd_manager_ops; subdrv->manager.overlay_ops = &fimd_overlay_ops; - subdrv->manager.display = &fimd_display; + subdrv->manager.display_ops = &fimd_display_ops; subdrv->manager.dev = dev; platform_set_drvdata(pdev, ctx); -- cgit v1.1 From 84b46990cb2caf8efe20d5626e1d7e2e40bab832 Mon Sep 17 00:00:00 2001 From: Joonyoung Shim Date: Fri, 4 Nov 2011 13:41:46 +0900 Subject: drm/exynos: restored kernel_fb_list when reiniting fb_helper during recreating exynos_drm_fbdev as a new display device probes, fb_helper is reinitialized but kernel fb is not changed so kernel_fb_list should be restored after fb_helper is reinitialized. Signed-off-by: Joonyoung Shim Signed-off-by: Inki Dae Signed-off-by: Kyungmin Park --- drivers/gpu/drm/exynos/exynos_drm_fbdev.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c index 1f4b3d1..74092a8 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c @@ -405,6 +405,18 @@ int exynos_drm_fbdev_reinit(struct drm_device *dev) fb_helper = private->fb_helper; if (fb_helper) { + struct list_head temp_list; + + INIT_LIST_HEAD(&temp_list); + + /* + * fb_helper is reintialized but kernel fb is reused + * so kernel_fb_list need to be backuped and restored + */ + if (!list_empty(&fb_helper->kernel_fb_list)) + list_replace_init(&fb_helper->kernel_fb_list, + &temp_list); + drm_fb_helper_fini(fb_helper); ret = drm_fb_helper_init(dev, fb_helper, @@ -414,6 +426,9 @@ int exynos_drm_fbdev_reinit(struct drm_device *dev) return ret; } + if (!list_empty(&temp_list)) + list_replace(&temp_list, &fb_helper->kernel_fb_list); + ret = drm_fb_helper_single_add_all_connectors(fb_helper); if (ret < 0) { DRM_ERROR("failed to add fb helper to connectors\n"); -- cgit v1.1 From aa6b2b6cd43e4a23c2a220382a8b385b087d8bca Mon Sep 17 00:00:00 2001 From: Seung-Woo Kim Date: Fri, 4 Nov 2011 13:44:38 +0900 Subject: drm/exynos: removed meaningless parameter from fbdev update drm_framebuffer already has width and height so they are meaningless as parameters when updating fb_info. Signed-off-by: Seung-Woo Kim Signed-off-by: Inki Dae Signed-off-by: Kyungmin Park --- drivers/gpu/drm/exynos/exynos_drm_fbdev.c | 14 +++++--------- 1 file changed, 5 insertions(+), 9 deletions(-) diff --git a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c index 74092a8..0effd77 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c @@ -85,15 +85,13 @@ static struct fb_ops exynos_drm_fb_ops = { }; static int exynos_drm_fbdev_update(struct drm_fb_helper *helper, - struct drm_framebuffer *fb, - unsigned int fb_width, - unsigned int fb_height) + struct drm_framebuffer *fb) { struct fb_info *fbi = helper->fbdev; struct drm_device *dev = helper->dev; struct exynos_drm_fbdev *exynos_fb = to_exynos_fbdev(helper); struct exynos_drm_buf_entry *entry; - unsigned int size = fb_width * fb_height * (fb->bits_per_pixel >> 3); + unsigned int size = fb->width * fb->height * (fb->bits_per_pixel >> 3); unsigned long offset; DRM_DEBUG_KMS("%s\n", __FILE__); @@ -101,7 +99,7 @@ static int exynos_drm_fbdev_update(struct drm_fb_helper *helper, exynos_fb->fb = fb; drm_fb_helper_fill_fix(fbi, fb->pitch, fb->depth); - drm_fb_helper_fill_var(fbi, helper, fb_width, fb_height); + drm_fb_helper_fill_var(fbi, helper, fb->width, fb->height); entry = exynos_drm_fb_get_buf(fb); if (!entry) { @@ -171,8 +169,7 @@ static int exynos_drm_fbdev_create(struct drm_fb_helper *helper, goto out; } - ret = exynos_drm_fbdev_update(helper, helper->fb, sizes->fb_width, - sizes->fb_height); + ret = exynos_drm_fbdev_update(helper, helper->fb); if (ret < 0) fb_dealloc_cmap(&fbi->cmap); @@ -235,8 +232,7 @@ static int exynos_drm_fbdev_recreate(struct drm_fb_helper *helper, } helper->fb = exynos_fbdev->fb; - return exynos_drm_fbdev_update(helper, helper->fb, sizes->fb_width, - sizes->fb_height); + return exynos_drm_fbdev_update(helper, helper->fb); } static int exynos_drm_fbdev_probe(struct drm_fb_helper *helper, -- cgit v1.1 From d2716c896d305fb5d3d0d7f58394c17841ed2967 Mon Sep 17 00:00:00 2001 From: Joonyoung Shim Date: Fri, 4 Nov 2011 17:04:45 +0900 Subject: drm/exynos: added crtc dpms for disable crtc crtc dpms is called as destroying attached fb so dpms off sould be processed. crtc dpms also can be called after crtc is detached from encoder so pipe value of manager is used to find display controller for this case Signed-off-by: Joonyoung Shim Signed-off-by: Seung-Woo Kim Signed-off-by: Inki Dae Signed-off-by: Kyungmin Park --- drivers/gpu/drm/exynos/exynos_drm_crtc.c | 29 +++++++++++++--- drivers/gpu/drm/exynos/exynos_drm_encoder.c | 54 +++++++++++++++++++++++++---- drivers/gpu/drm/exynos/exynos_drm_encoder.h | 1 + 3 files changed, 73 insertions(+), 11 deletions(-) diff --git a/drivers/gpu/drm/exynos/exynos_drm_crtc.c b/drivers/gpu/drm/exynos/exynos_drm_crtc.c index 9337e5e..b1d6526 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_crtc.c +++ b/drivers/gpu/drm/exynos/exynos_drm_crtc.c @@ -85,7 +85,8 @@ static void exynos_drm_crtc_apply(struct drm_crtc *crtc) exynos_drm_fn_encoder(crtc, overlay, exynos_drm_encoder_crtc_mode_set); - exynos_drm_fn_encoder(crtc, NULL, exynos_drm_encoder_crtc_commit); + exynos_drm_fn_encoder(crtc, &exynos_crtc->pipe, + exynos_drm_encoder_crtc_commit); } static int exynos_drm_overlay_update(struct exynos_drm_overlay *overlay, @@ -171,9 +172,26 @@ static int exynos_drm_crtc_update(struct drm_crtc *crtc) static void exynos_drm_crtc_dpms(struct drm_crtc *crtc, int mode) { - DRM_DEBUG_KMS("%s\n", __FILE__); + struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc); - /* TODO */ + DRM_DEBUG_KMS("crtc[%d] mode[%d]\n", crtc->base.id, mode); + + switch (mode) { + case DRM_MODE_DPMS_ON: + exynos_drm_fn_encoder(crtc, &exynos_crtc->pipe, + exynos_drm_encoder_crtc_commit); + break; + case DRM_MODE_DPMS_STANDBY: + case DRM_MODE_DPMS_SUSPEND: + case DRM_MODE_DPMS_OFF: + /* TODO */ + exynos_drm_fn_encoder(crtc, NULL, + exynos_drm_encoder_crtc_disable); + break; + default: + DRM_DEBUG_KMS("unspecified mode %d\n", mode); + break; + } } static void exynos_drm_crtc_prepare(struct drm_crtc *crtc) @@ -185,9 +203,12 @@ static void exynos_drm_crtc_prepare(struct drm_crtc *crtc) static void exynos_drm_crtc_commit(struct drm_crtc *crtc) { + struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc); + DRM_DEBUG_KMS("%s\n", __FILE__); - /* drm framework doesn't check NULL. */ + exynos_drm_fn_encoder(crtc, &exynos_crtc->pipe, + exynos_drm_encoder_crtc_commit); } static bool diff --git a/drivers/gpu/drm/exynos/exynos_drm_encoder.c b/drivers/gpu/drm/exynos/exynos_drm_encoder.c index 0034fa7..f15da95 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_encoder.c +++ b/drivers/gpu/drm/exynos/exynos_drm_encoder.c @@ -61,6 +61,8 @@ static void exynos_drm_encoder_dpms(struct drm_encoder *encoder, int mode) struct exynos_drm_display_ops *display_ops = manager->display_ops; + DRM_DEBUG_KMS("connector[%d] dpms[%d]\n", + connector->base.id, mode); if (display_ops && display_ops->power_on) display_ops->power_on(manager->dev, mode); } @@ -117,15 +119,11 @@ static void exynos_drm_encoder_commit(struct drm_encoder *encoder) { struct exynos_drm_manager *manager = exynos_drm_get_manager(encoder); struct exynos_drm_manager_ops *manager_ops = manager->ops; - struct exynos_drm_overlay_ops *overlay_ops = manager->overlay_ops; DRM_DEBUG_KMS("%s\n", __FILE__); if (manager_ops && manager_ops->commit) manager_ops->commit(manager->dev); - - if (overlay_ops && overlay_ops->commit) - overlay_ops->commit(manager->dev); } static struct drm_crtc * @@ -209,10 +207,23 @@ void exynos_drm_fn_encoder(struct drm_crtc *crtc, void *data, { struct drm_device *dev = crtc->dev; struct drm_encoder *encoder; + struct exynos_drm_private *private = dev->dev_private; + struct exynos_drm_manager *manager; list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { - if (encoder->crtc != crtc) - continue; + /* + * if crtc is detached from encoder, check pipe, + * otherwise check crtc attached to encoder + */ + if (!encoder->crtc) { + manager = to_exynos_encoder(encoder)->manager; + if (manager->pipe < 0 || + private->crtc[manager->pipe] != crtc) + continue; + } else { + if (encoder->crtc != crtc) + continue; + } fn(encoder, data); } @@ -251,8 +262,18 @@ void exynos_drm_encoder_crtc_commit(struct drm_encoder *encoder, void *data) struct exynos_drm_manager *manager = to_exynos_encoder(encoder)->manager; struct exynos_drm_overlay_ops *overlay_ops = manager->overlay_ops; + int crtc = *(int *)data; + + DRM_DEBUG_KMS("%s\n", __FILE__); - overlay_ops->commit(manager->dev); + /* + * when crtc is detached from encoder, this pipe is used + * to select manager operation + */ + manager->pipe = crtc; + + if (overlay_ops && overlay_ops->commit) + overlay_ops->commit(manager->dev); } void exynos_drm_encoder_crtc_mode_set(struct drm_encoder *encoder, void *data) @@ -265,6 +286,25 @@ void exynos_drm_encoder_crtc_mode_set(struct drm_encoder *encoder, void *data) overlay_ops->mode_set(manager->dev, overlay); } +void exynos_drm_encoder_crtc_disable(struct drm_encoder *encoder, void *data) +{ + struct exynos_drm_manager *manager = + to_exynos_encoder(encoder)->manager; + struct exynos_drm_overlay_ops *overlay_ops = manager->overlay_ops; + + DRM_DEBUG_KMS("\n"); + + overlay_ops->disable(manager->dev); + + /* + * crtc is already detached from encoder and last + * function for detaching is properly done, so + * clear pipe from manager to prevent repeated call + */ + if (!encoder->crtc) + manager->pipe = -1; +} + MODULE_AUTHOR("Inki Dae "); MODULE_AUTHOR("Joonyoung Shim "); MODULE_AUTHOR("Seung-Woo Kim "); diff --git a/drivers/gpu/drm/exynos/exynos_drm_encoder.h b/drivers/gpu/drm/exynos/exynos_drm_encoder.h index 5ecd645..a22acfb 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_encoder.h +++ b/drivers/gpu/drm/exynos/exynos_drm_encoder.h @@ -41,5 +41,6 @@ void exynos_drm_enable_vblank(struct drm_encoder *encoder, void *data); void exynos_drm_disable_vblank(struct drm_encoder *encoder, void *data); void exynos_drm_encoder_crtc_commit(struct drm_encoder *encoder, void *data); void exynos_drm_encoder_crtc_mode_set(struct drm_encoder *encoder, void *data); +void exynos_drm_encoder_crtc_disable(struct drm_encoder *encoder, void *data); #endif -- cgit v1.1 From b0e0f85631f9d905095d2896a952430f5eb0aba1 Mon Sep 17 00:00:00 2001 From: Seung-Woo Kim Date: Fri, 4 Nov 2011 17:31:41 +0900 Subject: drm/exynos: checked for null pointer Signed-off-by: Seung-Woo Kim Signed-off-by: Inki Dae Signed-off-by: Kyungmin Park --- drivers/gpu/drm/exynos/exynos_drm_encoder.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/exynos/exynos_drm_encoder.c b/drivers/gpu/drm/exynos/exynos_drm_encoder.c index f15da95..866f419 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_encoder.c +++ b/drivers/gpu/drm/exynos/exynos_drm_encoder.c @@ -283,7 +283,8 @@ void exynos_drm_encoder_crtc_mode_set(struct drm_encoder *encoder, void *data) struct exynos_drm_overlay_ops *overlay_ops = manager->overlay_ops; struct exynos_drm_overlay *overlay = data; - overlay_ops->mode_set(manager->dev, overlay); + if (overlay_ops && overlay_ops->mode_set) + overlay_ops->mode_set(manager->dev, overlay); } void exynos_drm_encoder_crtc_disable(struct drm_encoder *encoder, void *data) @@ -294,7 +295,8 @@ void exynos_drm_encoder_crtc_disable(struct drm_encoder *encoder, void *data) DRM_DEBUG_KMS("\n"); - overlay_ops->disable(manager->dev); + if (overlay_ops && overlay_ops->disable) + overlay_ops->disable(manager->dev); /* * crtc is already detached from encoder and last -- cgit v1.1 From f088d5a9c5dd22b6559fa3f3939973bc374c977b Mon Sep 17 00:00:00 2001 From: Inki Dae Date: Sat, 12 Nov 2011 14:51:23 +0900 Subject: drm/exynos: use gem create function generically this patch addes exynos_drm_gem_init() creating and initialzing a gem. allocation functions could use this function to create new gem and it changes size type of exynos_drm_gem_create structure to 64bit and also corrects comments to exynos_drm_gem_create structure. Signed-off-by: Inki Dae Signed-off-by: Kyungmin Park --- drivers/gpu/drm/exynos/exynos_drm_fb.c | 6 +-- drivers/gpu/drm/exynos/exynos_drm_gem.c | 79 ++++++++++++++++++++------------- drivers/gpu/drm/exynos/exynos_drm_gem.h | 6 +-- include/drm/exynos_drm.h | 9 ++-- 4 files changed, 59 insertions(+), 41 deletions(-) diff --git a/drivers/gpu/drm/exynos/exynos_drm_fb.c b/drivers/gpu/drm/exynos/exynos_drm_fb.c index 7d91a54..8d0f662 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fb.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fb.c @@ -165,9 +165,9 @@ exynos_drm_fb_init(struct drm_file *file_priv, struct drm_device *dev, goto out; } else { - exynos_gem_obj = exynos_drm_gem_create(file_priv, dev, - size, - &mode_cmd->handle); + exynos_gem_obj = exynos_drm_gem_create(dev, file_priv, + &mode_cmd->handle, + size); if (IS_ERR(exynos_gem_obj)) { ret = PTR_ERR(exynos_gem_obj); goto err_buffer; diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.c b/drivers/gpu/drm/exynos/exynos_drm_gem.c index a8e7a88..bd6ede8 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_gem.c +++ b/drivers/gpu/drm/exynos/exynos_drm_gem.c @@ -62,40 +62,28 @@ static unsigned int get_gem_mmap_offset(struct drm_gem_object *obj) return (unsigned int)obj->map_list.hash.key << PAGE_SHIFT; } -struct exynos_drm_gem_obj *exynos_drm_gem_create(struct drm_file *file_priv, - struct drm_device *dev, unsigned int size, - unsigned int *handle) +static struct exynos_drm_gem_obj + *exynos_drm_gem_init(struct drm_device *drm_dev, + struct drm_file *file_priv, unsigned int *handle, + unsigned int size) { struct exynos_drm_gem_obj *exynos_gem_obj; - struct exynos_drm_buf_entry *entry; struct drm_gem_object *obj; int ret; - DRM_DEBUG_KMS("%s\n", __FILE__); - - size = roundup(size, PAGE_SIZE); - exynos_gem_obj = kzalloc(sizeof(*exynos_gem_obj), GFP_KERNEL); if (!exynos_gem_obj) { DRM_ERROR("failed to allocate exynos gem object.\n"); return ERR_PTR(-ENOMEM); } - /* allocate the new buffer object and memory region. */ - entry = exynos_drm_buf_create(dev, size); - if (!entry) { - kfree(exynos_gem_obj); - return ERR_PTR(-ENOMEM); - } - - exynos_gem_obj->entry = entry; - obj = &exynos_gem_obj->base; - ret = drm_gem_object_init(dev, obj, size); + ret = drm_gem_object_init(drm_dev, obj, size); if (ret < 0) { - DRM_ERROR("failed to initailize gem object.\n"); - goto err_obj_init; + DRM_ERROR("failed to initialize gem object.\n"); + ret = -EINVAL; + goto err_object_init; } DRM_DEBUG_KMS("created file object = 0x%x\n", (unsigned int)obj->filp); @@ -127,24 +115,55 @@ err_handle_create: err_create_mmap_offset: drm_gem_object_release(obj); -err_obj_init: - exynos_drm_buf_destroy(dev, exynos_gem_obj->entry); - +err_object_init: kfree(exynos_gem_obj); return ERR_PTR(ret); } +struct exynos_drm_gem_obj *exynos_drm_gem_create(struct drm_device *dev, + struct drm_file *file_priv, + unsigned int *handle, unsigned long size) +{ + + struct exynos_drm_gem_obj *exynos_gem_obj = NULL; + struct exynos_drm_buf_entry *entry; + int ret; + + size = roundup(size, PAGE_SIZE); + + DRM_DEBUG_KMS("%s: size = 0x%lx\n", __FILE__, size); + + entry = exynos_drm_buf_create(dev, size); + if (!entry) + return ERR_PTR(-ENOMEM); + + exynos_gem_obj = exynos_drm_gem_init(dev, file_priv, handle, size); + if (IS_ERR(exynos_gem_obj)) { + ret = PTR_ERR(exynos_gem_obj); + goto err_gem_init; + } + + exynos_gem_obj->entry = entry; + + return exynos_gem_obj; + +err_gem_init: + exynos_drm_buf_destroy(dev, exynos_gem_obj->entry); + + return ERR_PTR(ret); +} + int exynos_drm_gem_create_ioctl(struct drm_device *dev, void *data, - struct drm_file *file_priv) + struct drm_file *file_priv) { struct drm_exynos_gem_create *args = data; - struct exynos_drm_gem_obj *exynos_gem_obj; + struct exynos_drm_gem_obj *exynos_gem_obj = NULL; - DRM_DEBUG_KMS("%s : size = 0x%x\n", __FILE__, args->size); + DRM_DEBUG_KMS("%s\n", __FILE__); - exynos_gem_obj = exynos_drm_gem_create(file_priv, dev, args->size, - &args->handle); + exynos_gem_obj = exynos_drm_gem_create(dev, file_priv, + &args->handle, args->size); if (IS_ERR(exynos_gem_obj)) return PTR_ERR(exynos_gem_obj); @@ -302,8 +321,8 @@ int exynos_drm_gem_dumb_create(struct drm_file *file_priv, args->pitch = args->width * args->bpp >> 3; args->size = args->pitch * args->height; - exynos_gem_obj = exynos_drm_gem_create(file_priv, dev, args->size, - &args->handle); + exynos_gem_obj = exynos_drm_gem_create(dev, file_priv, &args->handle, + args->size); if (IS_ERR(exynos_gem_obj)) return PTR_ERR(exynos_gem_obj); diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.h b/drivers/gpu/drm/exynos/exynos_drm_gem.h index e5fc014..213838d 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_gem.h +++ b/drivers/gpu/drm/exynos/exynos_drm_gem.h @@ -49,9 +49,9 @@ struct exynos_drm_gem_obj { }; /* create a new buffer and get a new gem handle. */ -struct exynos_drm_gem_obj *exynos_drm_gem_create(struct drm_file *file_priv, - struct drm_device *dev, unsigned int size, - unsigned int *handle); +struct exynos_drm_gem_obj *exynos_drm_gem_create(struct drm_device *dev, + struct drm_file *file_priv, + unsigned int *handle, unsigned long size); /* * request gem object creation and buffer allocation as the size diff --git a/include/drm/exynos_drm.h b/include/drm/exynos_drm.h index 1d161cb..1205043 100644 --- a/include/drm/exynos_drm.h +++ b/include/drm/exynos_drm.h @@ -32,17 +32,16 @@ /** * User-desired buffer creation information structure. * - * @size: requested size for the object. + * @size: user-desired memory allocation size. * - this size value would be page-aligned internally. * @flags: user request for setting memory type or cache attributes. - * @handle: returned handle for the object. - * @pad: just padding to be 64-bit aligned. + * @handle: returned a handle to created gem object. + * - this handle will be set by gem module of kernel side. */ struct drm_exynos_gem_create { - unsigned int size; + uint64_t size; unsigned int flags; unsigned int handle; - unsigned int pad; }; /** -- cgit v1.1 From c7493668eeced636afabfed57dfead8329c3d7fa Mon Sep 17 00:00:00 2001 From: Inki Dae Date: Wed, 9 Nov 2011 16:50:30 +0900 Subject: drm/exynos: removed unnecessary variable. Signed-off-by: Inki Dae Signed-off-by: Kyungmin Park --- drivers/gpu/drm/exynos/exynos_drm_buf.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/gpu/drm/exynos/exynos_drm_buf.c b/drivers/gpu/drm/exynos/exynos_drm_buf.c index 6f8afea..303189c 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_buf.c +++ b/drivers/gpu/drm/exynos/exynos_drm_buf.c @@ -29,8 +29,6 @@ #include "exynos_drm_drv.h" #include "exynos_drm_buf.h" -static DEFINE_MUTEX(exynos_drm_buf_lock); - static int lowlevel_buffer_allocate(struct drm_device *dev, struct exynos_drm_buf_entry *entry) { -- cgit v1.1 From 2c871127e994a678b82104a4110eb7fcc87f05ad Mon Sep 17 00:00:00 2001 From: Inki Dae Date: Sat, 12 Nov 2011 15:23:32 +0900 Subject: drm/exynos: changed buffer structure. the purpose of this patch is to consider IOMMU support in the future. EXYNOS4 SoC supports IOMMU also so the address for DMA could be physical address with IOMMU or device address with IOMMU. Signed-off-by: Inki Dae Signed-off-by: Kyungmin Park --- drivers/gpu/drm/exynos/exynos_drm_buf.c | 60 ++++++++++++++++--------------- drivers/gpu/drm/exynos/exynos_drm_buf.h | 21 +++-------- drivers/gpu/drm/exynos/exynos_drm_crtc.c | 47 ++++++++---------------- drivers/gpu/drm/exynos/exynos_drm_crtc.h | 25 +++++++++++++ drivers/gpu/drm/exynos/exynos_drm_drv.h | 6 ++-- drivers/gpu/drm/exynos/exynos_drm_fb.c | 48 ++++++++++++------------- drivers/gpu/drm/exynos/exynos_drm_fbdev.c | 15 ++++---- drivers/gpu/drm/exynos/exynos_drm_fimd.c | 12 +++---- drivers/gpu/drm/exynos/exynos_drm_gem.c | 25 ++++++------- drivers/gpu/drm/exynos/exynos_drm_gem.h | 22 ++++++++++-- 10 files changed, 148 insertions(+), 133 deletions(-) diff --git a/drivers/gpu/drm/exynos/exynos_drm_buf.c b/drivers/gpu/drm/exynos/exynos_drm_buf.c index 303189c..2bb07bc 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_buf.c +++ b/drivers/gpu/drm/exynos/exynos_drm_buf.c @@ -27,80 +27,84 @@ #include "drm.h" #include "exynos_drm_drv.h" +#include "exynos_drm_gem.h" #include "exynos_drm_buf.h" static int lowlevel_buffer_allocate(struct drm_device *dev, - struct exynos_drm_buf_entry *entry) + struct exynos_drm_gem_buf *buffer) { DRM_DEBUG_KMS("%s\n", __FILE__); - entry->vaddr = dma_alloc_writecombine(dev->dev, entry->size, - (dma_addr_t *)&entry->paddr, GFP_KERNEL); - if (!entry->paddr) { + buffer->kvaddr = dma_alloc_writecombine(dev->dev, buffer->size, + &buffer->dma_addr, GFP_KERNEL); + if (!buffer->kvaddr) { DRM_ERROR("failed to allocate buffer.\n"); return -ENOMEM; } - DRM_DEBUG_KMS("allocated : vaddr(0x%x), paddr(0x%x), size(0x%x)\n", - (unsigned int)entry->vaddr, entry->paddr, entry->size); + DRM_DEBUG_KMS("vaddr(0x%lx), dma_addr(0x%lx), size(0x%lx)\n", + (unsigned long)buffer->kvaddr, + (unsigned long)buffer->dma_addr, + buffer->size); return 0; } static void lowlevel_buffer_deallocate(struct drm_device *dev, - struct exynos_drm_buf_entry *entry) + struct exynos_drm_gem_buf *buffer) { DRM_DEBUG_KMS("%s.\n", __FILE__); - if (entry->paddr && entry->vaddr && entry->size) - dma_free_writecombine(dev->dev, entry->size, entry->vaddr, - entry->paddr); + if (buffer->dma_addr && buffer->size) + dma_free_writecombine(dev->dev, buffer->size, buffer->kvaddr, + (dma_addr_t)buffer->dma_addr); else - DRM_DEBUG_KMS("entry data is null.\n"); + DRM_DEBUG_KMS("buffer data are invalid.\n"); } -struct exynos_drm_buf_entry *exynos_drm_buf_create(struct drm_device *dev, +struct exynos_drm_gem_buf *exynos_drm_buf_create(struct drm_device *dev, unsigned int size) { - struct exynos_drm_buf_entry *entry; + struct exynos_drm_gem_buf *buffer; DRM_DEBUG_KMS("%s.\n", __FILE__); + DRM_DEBUG_KMS("desired size = 0x%x\n", size); - entry = kzalloc(sizeof(*entry), GFP_KERNEL); - if (!entry) { - DRM_ERROR("failed to allocate exynos_drm_buf_entry.\n"); + buffer = kzalloc(sizeof(*buffer), GFP_KERNEL); + if (!buffer) { + DRM_ERROR("failed to allocate exynos_drm_gem_buf.\n"); return ERR_PTR(-ENOMEM); } - entry->size = size; + buffer->size = size; /* * allocate memory region with size and set the memory information - * to vaddr and paddr of a entry object. + * to vaddr and dma_addr of a buffer object. */ - if (lowlevel_buffer_allocate(dev, entry) < 0) { - kfree(entry); - entry = NULL; + if (lowlevel_buffer_allocate(dev, buffer) < 0) { + kfree(buffer); + buffer = NULL; return ERR_PTR(-ENOMEM); } - return entry; + return buffer; } void exynos_drm_buf_destroy(struct drm_device *dev, - struct exynos_drm_buf_entry *entry) + struct exynos_drm_gem_buf *buffer) { DRM_DEBUG_KMS("%s.\n", __FILE__); - if (!entry) { - DRM_DEBUG_KMS("entry is null.\n"); + if (!buffer) { + DRM_DEBUG_KMS("buffer is null.\n"); return; } - lowlevel_buffer_deallocate(dev, entry); + lowlevel_buffer_deallocate(dev, buffer); - kfree(entry); - entry = NULL; + kfree(buffer); + buffer = NULL; } MODULE_AUTHOR("Inki Dae "); diff --git a/drivers/gpu/drm/exynos/exynos_drm_buf.h b/drivers/gpu/drm/exynos/exynos_drm_buf.h index 045d59e..6e91f9c 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_buf.h +++ b/drivers/gpu/drm/exynos/exynos_drm_buf.h @@ -26,28 +26,15 @@ #ifndef _EXYNOS_DRM_BUF_H_ #define _EXYNOS_DRM_BUF_H_ -/* - * exynos drm buffer entry structure. - * - * @paddr: physical address of allocated memory. - * @vaddr: kernel virtual address of allocated memory. - * @size: size of allocated memory. - */ -struct exynos_drm_buf_entry { - dma_addr_t paddr; - void __iomem *vaddr; - unsigned int size; -}; - /* allocate physical memory. */ -struct exynos_drm_buf_entry *exynos_drm_buf_create(struct drm_device *dev, +struct exynos_drm_gem_buf *exynos_drm_buf_create(struct drm_device *dev, unsigned int size); -/* get physical memory information of a drm framebuffer. */ -struct exynos_drm_buf_entry *exynos_drm_fb_get_buf(struct drm_framebuffer *fb); +/* get memory information of a drm framebuffer. */ +struct exynos_drm_gem_buf *exynos_drm_fb_get_buf(struct drm_framebuffer *fb); /* remove allocated physical memory. */ void exynos_drm_buf_destroy(struct drm_device *dev, - struct exynos_drm_buf_entry *entry); + struct exynos_drm_gem_buf *buffer); #endif diff --git a/drivers/gpu/drm/exynos/exynos_drm_crtc.c b/drivers/gpu/drm/exynos/exynos_drm_crtc.c index b1d6526..ee43cc2 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_crtc.c +++ b/drivers/gpu/drm/exynos/exynos_drm_crtc.c @@ -29,36 +29,17 @@ #include "drmP.h" #include "drm_crtc_helper.h" +#include "exynos_drm_crtc.h" #include "exynos_drm_drv.h" #include "exynos_drm_fb.h" #include "exynos_drm_encoder.h" +#include "exynos_drm_gem.h" #include "exynos_drm_buf.h" #define to_exynos_crtc(x) container_of(x, struct exynos_drm_crtc,\ drm_crtc) /* - * Exynos specific crtc postion structure. - * - * @fb_x: offset x on a framebuffer to be displyed - * - the unit is screen coordinates. - * @fb_y: offset y on a framebuffer to be displayed - * - the unit is screen coordinates. - * @crtc_x: offset x on hardware screen. - * @crtc_y: offset y on hardware screen. - * @crtc_w: width of hardware screen. - * @crtc_h: height of hardware screen. - */ -struct exynos_drm_crtc_pos { - unsigned int fb_x; - unsigned int fb_y; - unsigned int crtc_x; - unsigned int crtc_y; - unsigned int crtc_w; - unsigned int crtc_h; -}; - -/* * Exynos specific crtc structure. * * @drm_crtc: crtc object. @@ -89,27 +70,27 @@ static void exynos_drm_crtc_apply(struct drm_crtc *crtc) exynos_drm_encoder_crtc_commit); } -static int exynos_drm_overlay_update(struct exynos_drm_overlay *overlay, - struct drm_framebuffer *fb, - struct drm_display_mode *mode, - struct exynos_drm_crtc_pos *pos) +int exynos_drm_overlay_update(struct exynos_drm_overlay *overlay, + struct drm_framebuffer *fb, + struct drm_display_mode *mode, + struct exynos_drm_crtc_pos *pos) { - struct exynos_drm_buf_entry *entry; + struct exynos_drm_gem_buf *buffer; unsigned int actual_w; unsigned int actual_h; - entry = exynos_drm_fb_get_buf(fb); - if (!entry) { - DRM_LOG_KMS("entry is null.\n"); + buffer = exynos_drm_fb_get_buf(fb); + if (!buffer) { + DRM_LOG_KMS("buffer is null.\n"); return -EFAULT; } - overlay->paddr = entry->paddr; - overlay->vaddr = entry->vaddr; + overlay->dma_addr = buffer->dma_addr; + overlay->vaddr = buffer->kvaddr; - DRM_DEBUG_KMS("vaddr = 0x%lx, paddr = 0x%lx\n", + DRM_DEBUG_KMS("vaddr = 0x%lx, dma_addr = 0x%lx\n", (unsigned long)overlay->vaddr, - (unsigned long)overlay->paddr); + (unsigned long)overlay->dma_addr); actual_w = min((mode->hdisplay - pos->crtc_x), pos->crtc_w); actual_h = min((mode->vdisplay - pos->crtc_y), pos->crtc_h); diff --git a/drivers/gpu/drm/exynos/exynos_drm_crtc.h b/drivers/gpu/drm/exynos/exynos_drm_crtc.h index c584042..25f72a6 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_crtc.h +++ b/drivers/gpu/drm/exynos/exynos_drm_crtc.h @@ -35,4 +35,29 @@ int exynos_drm_crtc_create(struct drm_device *dev, unsigned int nr); int exynos_drm_crtc_enable_vblank(struct drm_device *dev, int crtc); void exynos_drm_crtc_disable_vblank(struct drm_device *dev, int crtc); +/* + * Exynos specific crtc postion structure. + * + * @fb_x: offset x on a framebuffer to be displyed + * - the unit is screen coordinates. + * @fb_y: offset y on a framebuffer to be displayed + * - the unit is screen coordinates. + * @crtc_x: offset x on hardware screen. + * @crtc_y: offset y on hardware screen. + * @crtc_w: width of hardware screen. + * @crtc_h: height of hardware screen. + */ +struct exynos_drm_crtc_pos { + unsigned int fb_x; + unsigned int fb_y; + unsigned int crtc_x; + unsigned int crtc_y; + unsigned int crtc_w; + unsigned int crtc_h; +}; + +int exynos_drm_overlay_update(struct exynos_drm_overlay *overlay, + struct drm_framebuffer *fb, + struct drm_display_mode *mode, + struct exynos_drm_crtc_pos *pos); #endif diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.h b/drivers/gpu/drm/exynos/exynos_drm_drv.h index 1575e5f..38a6f1d 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_drv.h +++ b/drivers/gpu/drm/exynos/exynos_drm_drv.h @@ -79,8 +79,8 @@ struct exynos_drm_overlay_ops { * @scan_flag: interlace or progressive way. * (it could be DRM_MODE_FLAG_*) * @bpp: pixel size.(in bit) - * @paddr: bus(accessed by dma) physical memory address to this overlay - * and this is physically continuous. + * @dma_addr: bus(accessed by dma) address to the memory region allocated + * for a overlay. * @vaddr: virtual memory addresss to this overlay. * @default_win: a window to be enabled. * @color_key: color key on or off. @@ -108,7 +108,7 @@ struct exynos_drm_overlay { unsigned int scan_flag; unsigned int bpp; unsigned int pitch; - dma_addr_t paddr; + dma_addr_t dma_addr; void __iomem *vaddr; bool default_win; diff --git a/drivers/gpu/drm/exynos/exynos_drm_fb.c b/drivers/gpu/drm/exynos/exynos_drm_fb.c index 8d0f662..5bf4a1a 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fb.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fb.c @@ -43,14 +43,14 @@ * * @fb: drm framebuffer obejct. * @exynos_gem_obj: exynos specific gem object containing a gem object. - * @entry: pointer to exynos drm buffer entry object. - * - containing only the information to physically continuous memory - * region allocated at default framebuffer creation. + * @buffer: pointer to exynos_drm_gem_buffer object. + * - contain the memory information to memory region allocated + * at default framebuffer creation. */ struct exynos_drm_fb { struct drm_framebuffer fb; struct exynos_drm_gem_obj *exynos_gem_obj; - struct exynos_drm_buf_entry *entry; + struct exynos_drm_gem_buf *buffer; }; static void exynos_drm_fb_destroy(struct drm_framebuffer *fb) @@ -65,8 +65,8 @@ static void exynos_drm_fb_destroy(struct drm_framebuffer *fb) * default framebuffer has no gem object so * a buffer of the default framebuffer should be released at here. */ - if (!exynos_fb->exynos_gem_obj && exynos_fb->entry) - exynos_drm_buf_destroy(fb->dev, exynos_fb->entry); + if (!exynos_fb->exynos_gem_obj && exynos_fb->buffer) + exynos_drm_buf_destroy(fb->dev, exynos_fb->buffer); kfree(exynos_fb); exynos_fb = NULL; @@ -145,23 +145,23 @@ exynos_drm_fb_init(struct drm_file *file_priv, struct drm_device *dev, */ if (!mode_cmd->handle) { if (!file_priv) { - struct exynos_drm_buf_entry *entry; + struct exynos_drm_gem_buf *buffer; /* * in case that file_priv is NULL, it allocates * only buffer and this buffer would be used * for default framebuffer. */ - entry = exynos_drm_buf_create(dev, size); - if (IS_ERR(entry)) { - ret = PTR_ERR(entry); + buffer = exynos_drm_buf_create(dev, size); + if (IS_ERR(buffer)) { + ret = PTR_ERR(buffer); goto err_buffer; } - exynos_fb->entry = entry; + exynos_fb->buffer = buffer; - DRM_LOG_KMS("default fb: paddr = 0x%lx, size = 0x%x\n", - (unsigned long)entry->paddr, size); + DRM_LOG_KMS("default: dma_addr = 0x%lx, size = 0x%x\n", + (unsigned long)buffer->dma_addr, size); goto out; } else { @@ -191,10 +191,10 @@ exynos_drm_fb_init(struct drm_file *file_priv, struct drm_device *dev, * so that default framebuffer has no its own gem object, * only its own buffer object. */ - exynos_fb->entry = exynos_gem_obj->entry; + exynos_fb->buffer = exynos_gem_obj->buffer; - DRM_LOG_KMS("paddr = 0x%lx, size = 0x%x, gem object = 0x%x\n", - (unsigned long)exynos_fb->entry->paddr, size, + DRM_LOG_KMS("dma_addr = 0x%lx, size = 0x%x, gem object = 0x%x\n", + (unsigned long)exynos_fb->buffer->dma_addr, size, (unsigned int)&exynos_gem_obj->base); out: @@ -222,22 +222,22 @@ struct drm_framebuffer *exynos_drm_fb_create(struct drm_device *dev, return exynos_drm_fb_init(file_priv, dev, mode_cmd); } -struct exynos_drm_buf_entry *exynos_drm_fb_get_buf(struct drm_framebuffer *fb) +struct exynos_drm_gem_buf *exynos_drm_fb_get_buf(struct drm_framebuffer *fb) { struct exynos_drm_fb *exynos_fb = to_exynos_fb(fb); - struct exynos_drm_buf_entry *entry; + struct exynos_drm_gem_buf *buffer; DRM_DEBUG_KMS("%s\n", __FILE__); - entry = exynos_fb->entry; - if (!entry) + buffer = exynos_fb->buffer; + if (!buffer) return NULL; - DRM_DEBUG_KMS("vaddr = 0x%lx, paddr = 0x%lx\n", - (unsigned long)entry->vaddr, - (unsigned long)entry->paddr); + DRM_DEBUG_KMS("vaddr = 0x%lx, dma_addr = 0x%lx\n", + (unsigned long)buffer->kvaddr, + (unsigned long)buffer->dma_addr); - return entry; + return buffer; } static void exynos_drm_output_poll_changed(struct drm_device *dev) diff --git a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c index 0effd77..836f410 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c @@ -33,6 +33,7 @@ #include "exynos_drm_drv.h" #include "exynos_drm_fb.h" +#include "exynos_drm_gem.h" #include "exynos_drm_buf.h" #define MAX_CONNECTOR 4 @@ -90,7 +91,7 @@ static int exynos_drm_fbdev_update(struct drm_fb_helper *helper, struct fb_info *fbi = helper->fbdev; struct drm_device *dev = helper->dev; struct exynos_drm_fbdev *exynos_fb = to_exynos_fbdev(helper); - struct exynos_drm_buf_entry *entry; + struct exynos_drm_gem_buf *buffer; unsigned int size = fb->width * fb->height * (fb->bits_per_pixel >> 3); unsigned long offset; @@ -101,18 +102,18 @@ static int exynos_drm_fbdev_update(struct drm_fb_helper *helper, drm_fb_helper_fill_fix(fbi, fb->pitch, fb->depth); drm_fb_helper_fill_var(fbi, helper, fb->width, fb->height); - entry = exynos_drm_fb_get_buf(fb); - if (!entry) { - DRM_LOG_KMS("entry is null.\n"); + buffer = exynos_drm_fb_get_buf(fb); + if (!buffer) { + DRM_LOG_KMS("buffer is null.\n"); return -EFAULT; } offset = fbi->var.xoffset * (fb->bits_per_pixel >> 3); offset += fbi->var.yoffset * fb->pitch; - dev->mode_config.fb_base = entry->paddr; - fbi->screen_base = entry->vaddr + offset; - fbi->fix.smem_start = entry->paddr + offset; + dev->mode_config.fb_base = (resource_size_t)buffer->dma_addr; + fbi->screen_base = buffer->kvaddr + offset; + fbi->fix.smem_start = (unsigned long)(buffer->dma_addr + offset); fbi->screen_size = size; fbi->fix.smem_len = size; diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c index f2d883f..f5c8b07 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c @@ -64,7 +64,7 @@ struct fimd_win_data { unsigned int fb_width; unsigned int fb_height; unsigned int bpp; - dma_addr_t paddr; + dma_addr_t dma_addr; void __iomem *vaddr; unsigned int buf_offsize; unsigned int line_size; /* bytes */ @@ -251,7 +251,7 @@ static void fimd_win_mode_set(struct device *dev, win_data->ovl_height = overlay->crtc_height; win_data->fb_width = overlay->fb_width; win_data->fb_height = overlay->fb_height; - win_data->paddr = overlay->paddr + offset; + win_data->dma_addr = overlay->dma_addr + offset; win_data->vaddr = overlay->vaddr + offset; win_data->bpp = overlay->bpp; win_data->buf_offsize = (overlay->fb_width - overlay->crtc_width) * @@ -263,7 +263,7 @@ static void fimd_win_mode_set(struct device *dev, DRM_DEBUG_KMS("ovl_width = %d, ovl_height = %d\n", win_data->ovl_width, win_data->ovl_height); DRM_DEBUG_KMS("paddr = 0x%lx, vaddr = 0x%lx\n", - (unsigned long)win_data->paddr, + (unsigned long)win_data->dma_addr, (unsigned long)win_data->vaddr); DRM_DEBUG_KMS("fb_width = %d, crtc_width = %d\n", overlay->fb_width, overlay->crtc_width); @@ -376,16 +376,16 @@ static void fimd_win_commit(struct device *dev) writel(val, ctx->regs + SHADOWCON); /* buffer start address */ - val = win_data->paddr; + val = (unsigned long)win_data->dma_addr; writel(val, ctx->regs + VIDWx_BUF_START(win, 0)); /* buffer end address */ size = win_data->fb_width * win_data->ovl_height * (win_data->bpp >> 3); - val = win_data->paddr + size; + val = (unsigned long)(win_data->dma_addr + size); writel(val, ctx->regs + VIDWx_BUF_END(win, 0)); DRM_DEBUG_KMS("start addr = 0x%lx, end addr = 0x%lx, size = 0x%lx\n", - (unsigned long)win_data->paddr, val, size); + (unsigned long)win_data->dma_addr, val, size); DRM_DEBUG_KMS("ovl_width = %d, ovl_height = %d\n", win_data->ovl_width, win_data->ovl_height); diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.c b/drivers/gpu/drm/exynos/exynos_drm_gem.c index bd6ede8..b1b94b1 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_gem.c +++ b/drivers/gpu/drm/exynos/exynos_drm_gem.c @@ -127,15 +127,15 @@ struct exynos_drm_gem_obj *exynos_drm_gem_create(struct drm_device *dev, { struct exynos_drm_gem_obj *exynos_gem_obj = NULL; - struct exynos_drm_buf_entry *entry; + struct exynos_drm_gem_buf *buffer; int ret; size = roundup(size, PAGE_SIZE); DRM_DEBUG_KMS("%s: size = 0x%lx\n", __FILE__, size); - entry = exynos_drm_buf_create(dev, size); - if (!entry) + buffer = exynos_drm_buf_create(dev, size); + if (!buffer) return ERR_PTR(-ENOMEM); exynos_gem_obj = exynos_drm_gem_init(dev, file_priv, handle, size); @@ -144,12 +144,12 @@ struct exynos_drm_gem_obj *exynos_drm_gem_create(struct drm_device *dev, goto err_gem_init; } - exynos_gem_obj->entry = entry; + exynos_gem_obj->buffer = buffer; return exynos_gem_obj; err_gem_init: - exynos_drm_buf_destroy(dev, exynos_gem_obj->entry); + exynos_drm_buf_destroy(dev, exynos_gem_obj->buffer); return ERR_PTR(ret); } @@ -194,7 +194,7 @@ static int exynos_drm_gem_mmap_buffer(struct file *filp, { struct drm_gem_object *obj = filp->private_data; struct exynos_drm_gem_obj *exynos_gem_obj = to_exynos_gem_obj(obj); - struct exynos_drm_buf_entry *entry; + struct exynos_drm_gem_buf *buffer; unsigned long pfn, vm_size; DRM_DEBUG_KMS("%s\n", __FILE__); @@ -206,20 +206,20 @@ static int exynos_drm_gem_mmap_buffer(struct file *filp, vm_size = vma->vm_end - vma->vm_start; /* - * a entry contains information to physically continuous memory + * a buffer contains information to physically continuous memory * allocated by user request or at framebuffer creation. */ - entry = exynos_gem_obj->entry; + buffer = exynos_gem_obj->buffer; /* check if user-requested size is valid. */ - if (vm_size > entry->size) + if (vm_size > buffer->size) return -EINVAL; /* * get page frame number to physical memory to be mapped * to user space. */ - pfn = exynos_gem_obj->entry->paddr >> PAGE_SHIFT; + pfn = ((unsigned long)exynos_gem_obj->buffer->dma_addr) >> PAGE_SHIFT; DRM_DEBUG_KMS("pfn = 0x%lx\n", pfn); @@ -300,7 +300,7 @@ void exynos_drm_gem_free_object(struct drm_gem_object *gem_obj) exynos_gem_obj = to_exynos_gem_obj(gem_obj); - exynos_drm_buf_destroy(gem_obj->dev, exynos_gem_obj->entry); + exynos_drm_buf_destroy(gem_obj->dev, exynos_gem_obj->buffer); kfree(exynos_gem_obj); } @@ -379,7 +379,8 @@ int exynos_drm_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf) mutex_lock(&dev->struct_mutex); - pfn = (exynos_gem_obj->entry->paddr >> PAGE_SHIFT) + page_offset; + pfn = (((unsigned long)exynos_gem_obj->buffer->dma_addr) >> + PAGE_SHIFT) + page_offset; ret = vm_insert_mixed(vma, (unsigned long)vmf->virtual_address, pfn); diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.h b/drivers/gpu/drm/exynos/exynos_drm_gem.h index 213838d..ef87973 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_gem.h +++ b/drivers/gpu/drm/exynos/exynos_drm_gem.h @@ -30,13 +30,29 @@ struct exynos_drm_gem_obj, base) /* + * exynos drm gem buffer structure. + * + * @kvaddr: kernel virtual address to allocated memory region. + * @dma_addr: bus address(accessed by dma) to allocated memory region. + * - this address could be physical address without IOMMU and + * device address with IOMMU. + * @size: size of allocated memory region. + */ +struct exynos_drm_gem_buf { + void __iomem *kvaddr; + dma_addr_t dma_addr; + unsigned long size; +}; + +/* * exynos drm buffer structure. * * @base: a gem object. * - a new handle to this gem object would be created * by drm_gem_handle_create(). - * @entry: pointer to exynos drm buffer entry object. - * - containing the information to physically + * @buffer: a pointer to exynos_drm_gem_buffer object. + * - contain the information to memory region allocated + * by user request or at framebuffer creation. * continuous memory region allocated by user request * or at framebuffer creation. * @@ -45,7 +61,7 @@ */ struct exynos_drm_gem_obj { struct drm_gem_object base; - struct exynos_drm_buf_entry *entry; + struct exynos_drm_gem_buf *buffer; }; /* create a new buffer and get a new gem handle. */ -- cgit v1.1 From 483b88f86e1682241bfa0848e348aa175257c6e7 Mon Sep 17 00:00:00 2001 From: Inki Dae Date: Fri, 11 Nov 2011 21:28:00 +0900 Subject: drm/exynos: fix vblank bug. In case that vblank_disable_allowed is 1, the problem that manager->pipe could be -1 at vsync interrupt handler could be induced so this patch fixes that. Signed-off-by: Inki Dae Signed-off-by: Kyungmin Park --- drivers/gpu/drm/exynos/exynos_drm_fimd.c | 46 +++++++++++++++++++++++++------- 1 file changed, 36 insertions(+), 10 deletions(-) diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c index f5c8b07..272c3b5 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c @@ -447,7 +447,9 @@ static void fimd_win_commit(struct device *dev) static void fimd_win_disable(struct device *dev) { struct fimd_context *ctx = get_fimd_context(dev); - struct fimd_win_data *win_data; + struct exynos_drm_subdrv *subdrv = &ctx->subdrv; + struct drm_device *drm_dev = subdrv->drm_dev; + struct exynos_drm_manager *manager = &subdrv->manager; int win = ctx->default_win; u32 val; @@ -456,8 +458,6 @@ static void fimd_win_disable(struct device *dev) if (win < 0 || win > WINDOWS_NR) return; - win_data = &ctx->win_data[win]; - /* protect windows */ val = readl(ctx->regs + SHADOWCON); val |= SHADOWCON_WINx_PROTECT(win); @@ -473,6 +473,29 @@ static void fimd_win_disable(struct device *dev) val &= ~SHADOWCON_CHx_ENABLE(win); val &= ~SHADOWCON_WINx_PROTECT(win); writel(val, ctx->regs + SHADOWCON); + + /* fimd dma off. */ + val = readl(ctx->regs + VIDCON0); + val &= ~(VIDCON0_ENVID | VIDCON0_ENVID_F); + writel(val, ctx->regs + VIDCON0); + + /* + * if vblank is enabled status with dma off then + * it disables vsync interrupt. + */ + if (drm_dev->vblank_enabled[manager->pipe] && + atomic_read(&drm_dev->vblank_refcount[manager->pipe])) { + drm_vblank_put(drm_dev, manager->pipe); + + /* + * if vblank_disable_allowed is 0 then disable vsync interrupt + * right now else the vsync interrupt would be disabled by drm + * timer once a current process gives up ownershop of + * vblank event. + */ + if (!drm_dev->vblank_disable_allowed) + drm_vblank_off(drm_dev, manager->pipe); + } } static struct exynos_drm_overlay_ops fimd_overlay_ops = { @@ -528,6 +551,16 @@ static irqreturn_t fimd_irq_handler(int irq, void *dev_id) /* VSYNC interrupt */ writel(VIDINTCON1_INT_FRAME, ctx->regs + VIDINTCON1); + /* + * in case that vblank_disable_allowed is 1, it could induce + * the problem that manager->pipe could be -1 because with + * disable callback, vsync interrupt isn't disabled and at this moment, + * vsync interrupt could occur. the vsync interrupt would be disabled + * by timer handler later. + */ + if (manager->pipe == -1) + return IRQ_HANDLED; + drm_handle_vblank(drm_dev, manager->pipe); fimd_finish_pageflip(drm_dev, manager->pipe); @@ -548,13 +581,6 @@ static int fimd_subdrv_probe(struct drm_device *drm_dev, struct device *dev) */ drm_dev->irq_enabled = 1; - /* - * with vblank_disable_allowed = 1, vblank interrupt will be disabled - * by drm timer once a current process gives up ownership of - * vblank event.(drm_vblank_put function was called) - */ - drm_dev->vblank_disable_allowed = 1; - return 0; } -- cgit v1.1 From 4f9eb94f7be3d357e811ec74a53027bd27f1748f Mon Sep 17 00:00:00 2001 From: Inki Dae Date: Sat, 12 Nov 2011 16:57:42 +0900 Subject: drm/exynos: include linux/module.h Signed-off-by: Inki Dae Signed-off-by: Kyungmin Park --- drivers/gpu/drm/exynos/exynos_drm_drv.h | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.h b/drivers/gpu/drm/exynos/exynos_drm_drv.h index 38a6f1d..2d74f85 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_drv.h +++ b/drivers/gpu/drm/exynos/exynos_drm_drv.h @@ -29,6 +29,7 @@ #ifndef _EXYNOS_DRM_DRV_H_ #define _EXYNOS_DRM_DRV_H_ +#include #include "drm.h" #define MAX_CRTC 2 -- cgit v1.1 From 396464dfbba8f734c57346489b871e7ed64dcdd1 Mon Sep 17 00:00:00 2001 From: Joonyoung Shim Date: Mon, 14 Nov 2011 15:20:49 +0900 Subject: drm/exynos: Add disable of manager Signed-off-by: Joonyoung Shim Signed-off-by: Inki Dae --- drivers/gpu/drm/exynos/exynos_drm_drv.h | 2 + drivers/gpu/drm/exynos/exynos_drm_encoder.c | 18 +++++++++ drivers/gpu/drm/exynos/exynos_drm_fimd.c | 61 +++++++++++++++++------------ 3 files changed, 55 insertions(+), 26 deletions(-) diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.h b/drivers/gpu/drm/exynos/exynos_drm_drv.h index 2d74f85..5e02e6e 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_drv.h +++ b/drivers/gpu/drm/exynos/exynos_drm_drv.h @@ -147,12 +147,14 @@ struct exynos_drm_display_ops { * @mode_set: convert drm_display_mode to hw specific display mode and * would be called by encoder->mode_set(). * @commit: set current hw specific display mode to hw. + * @disable: disable hardware specific display mode. * @enable_vblank: specific driver callback for enabling vblank interrupt. * @disable_vblank: specific driver callback for disabling vblank interrupt. */ struct exynos_drm_manager_ops { void (*mode_set)(struct device *subdrv_dev, void *mode); void (*commit)(struct device *subdrv_dev); + void (*disable)(struct device *subdrv_dev); int (*enable_vblank)(struct device *subdrv_dev); void (*disable_vblank)(struct device *subdrv_dev); }; diff --git a/drivers/gpu/drm/exynos/exynos_drm_encoder.c b/drivers/gpu/drm/exynos/exynos_drm_encoder.c index 866f419..1530614 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_encoder.c +++ b/drivers/gpu/drm/exynos/exynos_drm_encoder.c @@ -53,9 +53,27 @@ static void exynos_drm_encoder_dpms(struct drm_encoder *encoder, int mode) struct drm_device *dev = encoder->dev; struct drm_connector *connector; struct exynos_drm_manager *manager = exynos_drm_get_manager(encoder); + struct exynos_drm_manager_ops *manager_ops = manager->ops; DRM_DEBUG_KMS("%s, encoder dpms: %d\n", __FILE__, mode); + switch (mode) { + case DRM_MODE_DPMS_ON: + if (manager_ops && manager_ops->commit) + manager_ops->commit(manager->dev); + break; + case DRM_MODE_DPMS_STANDBY: + case DRM_MODE_DPMS_SUSPEND: + case DRM_MODE_DPMS_OFF: + /* TODO */ + if (manager_ops && manager_ops->disable) + manager_ops->disable(manager->dev); + break; + default: + DRM_ERROR("unspecified mode %d\n", mode); + break; + } + list_for_each_entry(connector, &dev->mode_config.connector_list, head) { if (connector->encoder == encoder) { struct exynos_drm_display_ops *display_ops = diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c index 272c3b5..db3b3d9 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c @@ -177,6 +177,40 @@ static void fimd_commit(struct device *dev) writel(val, ctx->regs + VIDCON0); } +static void fimd_disable(struct device *dev) +{ + struct fimd_context *ctx = get_fimd_context(dev); + struct exynos_drm_subdrv *subdrv = &ctx->subdrv; + struct drm_device *drm_dev = subdrv->drm_dev; + struct exynos_drm_manager *manager = &subdrv->manager; + u32 val; + + DRM_DEBUG_KMS("%s\n", __FILE__); + + /* fimd dma off */ + val = readl(ctx->regs + VIDCON0); + val &= ~(VIDCON0_ENVID | VIDCON0_ENVID_F); + writel(val, ctx->regs + VIDCON0); + + /* + * if vblank is enabled status with dma off then + * it disables vsync interrupt. + */ + if (drm_dev->vblank_enabled[manager->pipe] && + atomic_read(&drm_dev->vblank_refcount[manager->pipe])) { + drm_vblank_put(drm_dev, manager->pipe); + + /* + * if vblank_disable_allowed is 0 then disable + * vsync interrupt right now else the vsync interrupt + * would be disabled by drm timer once a current process + * gives up ownershop of vblank event. + */ + if (!drm_dev->vblank_disable_allowed) + drm_vblank_off(drm_dev, manager->pipe); + } +} + static int fimd_enable_vblank(struct device *dev) { struct fimd_context *ctx = get_fimd_context(dev); @@ -220,6 +254,7 @@ static void fimd_disable_vblank(struct device *dev) static struct exynos_drm_manager_ops fimd_manager_ops = { .commit = fimd_commit, + .disable = fimd_disable, .enable_vblank = fimd_enable_vblank, .disable_vblank = fimd_disable_vblank, }; @@ -447,9 +482,6 @@ static void fimd_win_commit(struct device *dev) static void fimd_win_disable(struct device *dev) { struct fimd_context *ctx = get_fimd_context(dev); - struct exynos_drm_subdrv *subdrv = &ctx->subdrv; - struct drm_device *drm_dev = subdrv->drm_dev; - struct exynos_drm_manager *manager = &subdrv->manager; int win = ctx->default_win; u32 val; @@ -473,29 +505,6 @@ static void fimd_win_disable(struct device *dev) val &= ~SHADOWCON_CHx_ENABLE(win); val &= ~SHADOWCON_WINx_PROTECT(win); writel(val, ctx->regs + SHADOWCON); - - /* fimd dma off. */ - val = readl(ctx->regs + VIDCON0); - val &= ~(VIDCON0_ENVID | VIDCON0_ENVID_F); - writel(val, ctx->regs + VIDCON0); - - /* - * if vblank is enabled status with dma off then - * it disables vsync interrupt. - */ - if (drm_dev->vblank_enabled[manager->pipe] && - atomic_read(&drm_dev->vblank_refcount[manager->pipe])) { - drm_vblank_put(drm_dev, manager->pipe); - - /* - * if vblank_disable_allowed is 0 then disable vsync interrupt - * right now else the vsync interrupt would be disabled by drm - * timer once a current process gives up ownershop of - * vblank event. - */ - if (!drm_dev->vblank_disable_allowed) - drm_vblank_off(drm_dev, manager->pipe); - } } static struct exynos_drm_overlay_ops fimd_overlay_ops = { -- cgit v1.1 From ca22e3cc25f180859561f36d51bf21278db5ae11 Mon Sep 17 00:00:00 2001 From: Seung-Woo Kim Date: Tue, 15 Nov 2011 16:25:39 +0900 Subject: drm/exynos: fixed wrong err ptr usage and destroy call in exeception - exynos_drm_buf_create() returns err pointer so NULL check is wrong. - Case that exynos_gem_obj is not created, destroy call in exception handle lable uses this pointer. so instead buffer is directly used. Signed-off-by: Seung-Woo Kim Signed-off-by: Inki Dae --- drivers/gpu/drm/exynos/exynos_drm_gem.c | 15 +++++---------- 1 file changed, 5 insertions(+), 10 deletions(-) diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.c b/drivers/gpu/drm/exynos/exynos_drm_gem.c index b1b94b1..aba0fe4 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_gem.c +++ b/drivers/gpu/drm/exynos/exynos_drm_gem.c @@ -128,30 +128,25 @@ struct exynos_drm_gem_obj *exynos_drm_gem_create(struct drm_device *dev, struct exynos_drm_gem_obj *exynos_gem_obj = NULL; struct exynos_drm_gem_buf *buffer; - int ret; size = roundup(size, PAGE_SIZE); DRM_DEBUG_KMS("%s: size = 0x%lx\n", __FILE__, size); buffer = exynos_drm_buf_create(dev, size); - if (!buffer) - return ERR_PTR(-ENOMEM); + if (IS_ERR(buffer)) { + return ERR_CAST(buffer); + } exynos_gem_obj = exynos_drm_gem_init(dev, file_priv, handle, size); if (IS_ERR(exynos_gem_obj)) { - ret = PTR_ERR(exynos_gem_obj); - goto err_gem_init; + exynos_drm_buf_destroy(dev, buffer); + return exynos_gem_obj; } exynos_gem_obj->buffer = buffer; return exynos_gem_obj; - -err_gem_init: - exynos_drm_buf_destroy(dev, exynos_gem_obj->buffer); - - return ERR_PTR(ret); } int exynos_drm_gem_create_ioctl(struct drm_device *dev, void *data, -- cgit v1.1