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Backmerge tag 'v4.9-rc4' into drm-next

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Linux 4.9-rc4

This is needed for nouveau development.
This commit is contained in:
Dave Airlie
2016-11-07 09:37:09 +10:00
parent dc345c4677 bc33b0ca11
commit 7b624ad8fe
723 changed files with 8234 additions and 5471 deletions
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68
drivers/gpu/drm/drm_fb_helper.c
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@@ -131,7 +131,12 @@ int drm_fb_helper_single_add_all_connectors(struct drm_fb_helper *fb_helper)
return 0;
fail:
for (i = 0; i < fb_helper->connector_count; i++) {
kfree(fb_helper->connector_info[i]);
struct drm_fb_helper_connector *fb_helper_connector =
fb_helper->connector_info[i];
drm_connector_unreference(fb_helper_connector->connector);
kfree(fb_helper_connector);
fb_helper->connector_info[i] = NULL;
}
fb_helper->connector_count = 0;
@@ -600,6 +605,24 @@ int drm_fb_helper_blank(int blank, struct fb_info *info)
}
EXPORT_SYMBOL(drm_fb_helper_blank);
static void drm_fb_helper_modeset_release(struct drm_fb_helper *helper,
struct drm_mode_set *modeset)
{
int i;
for (i = 0; i < modeset->num_connectors; i++) {
drm_connector_unreference(modeset->connectors[i]);
modeset->connectors[i] = NULL;
}
modeset->num_connectors = 0;
drm_mode_destroy(helper->dev, modeset->mode);
modeset->mode = NULL;
/* FIXME should hold a ref? */
modeset->fb = NULL;
}
static void drm_fb_helper_crtc_free(struct drm_fb_helper *helper)
{
int i;
@@ -609,10 +632,12 @@ static void drm_fb_helper_crtc_free(struct drm_fb_helper *helper)
kfree(helper->connector_info[i]);
}
kfree(helper->connector_info);
for (i = 0; i < helper->crtc_count; i++) {
kfree(helper->crtc_info[i].mode_set.connectors);
if (helper->crtc_info[i].mode_set.mode)
drm_mode_destroy(helper->dev, helper->crtc_info[i].mode_set.mode);
struct drm_mode_set *modeset = &helper->crtc_info[i].mode_set;
drm_fb_helper_modeset_release(helper, modeset);
kfree(modeset->connectors);
}
kfree(helper->crtc_info);
}
@@ -641,7 +666,9 @@ static void drm_fb_helper_dirty_work(struct work_struct *work)
clip->x2 = clip->y2 = 0;
spin_unlock_irqrestore(&helper->dirty_lock, flags);
helper->fb->funcs->dirty(helper->fb, NULL, 0, 0, &clip_copy, 1);
/* call dirty callback only when it has been really touched */
if (clip_copy.x1 < clip_copy.x2 && clip_copy.y1 < clip_copy.y2)
helper->fb->funcs->dirty(helper->fb, NULL, 0, 0, &clip_copy, 1);
}
/**
@@ -2085,7 +2112,6 @@ static void drm_setup_crtcs(struct drm_fb_helper *fb_helper)
struct drm_fb_helper_crtc **crtcs;
struct drm_display_mode **modes;
struct drm_fb_offset *offsets;
struct drm_mode_set *modeset;
bool *enabled;
int width, height;
int i;
@@ -2133,45 +2159,35 @@ static void drm_setup_crtcs(struct drm_fb_helper *fb_helper)
/* need to set the modesets up here for use later */
/* fill out the connector<->crtc mappings into the modesets */
for (i = 0; i < fb_helper->crtc_count; i++) {
modeset = &fb_helper->crtc_info[i].mode_set;
modeset->num_connectors = 0;
modeset->fb = NULL;
}
for (i = 0; i < fb_helper->crtc_count; i++)
drm_fb_helper_modeset_release(fb_helper,
&fb_helper->crtc_info[i].mode_set);
for (i = 0; i < fb_helper->connector_count; i++) {
struct drm_display_mode *mode = modes[i];
struct drm_fb_helper_crtc *fb_crtc = crtcs[i];
struct drm_fb_offset *offset = &offsets[i];
modeset = &fb_crtc->mode_set;
struct drm_mode_set *modeset = &fb_crtc->mode_set;
if (mode && fb_crtc) {
struct drm_connector *connector =
fb_helper->connector_info[i]->connector;
DRM_DEBUG_KMS("desired mode %s set on crtc %d (%d,%d)\n",
mode->name, fb_crtc->mode_set.crtc->base.id, offset->x, offset->y);
fb_crtc->desired_mode = mode;
fb_crtc->x = offset->x;
fb_crtc->y = offset->y;
if (modeset->mode)
drm_mode_destroy(dev, modeset->mode);
modeset->mode = drm_mode_duplicate(dev,
fb_crtc->desired_mode);
modeset->connectors[modeset->num_connectors++] = fb_helper->connector_info[i]->connector;
drm_connector_reference(connector);
modeset->connectors[modeset->num_connectors++] = connector;
modeset->fb = fb_helper->fb;
modeset->x = offset->x;
modeset->y = offset->y;
}
}
/* Clear out any old modes if there are no more connected outputs. */
for (i = 0; i < fb_helper->crtc_count; i++) {
modeset = &fb_helper->crtc_info[i].mode_set;
if (modeset->num_connectors == 0) {
BUG_ON(modeset->fb);
if (modeset->mode)
drm_mode_destroy(dev, modeset->mode);
modeset->mode = NULL;
}
}
out:
kfree(crtcs);
kfree(modes);