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Driver Changes: 

- qxl: Use a shadow bo as primary and blit to it to fix flicker (Gerd)
 - rockchip: Convert psr spinlock to mutex (Emil)
 
 Cc: Emil Renner Berthing <kernel@esmil.dk>
 Cc: Gerd Hoffmann <kraxel@redhat.com>
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Merge tag 'drm-misc-fixes-2017-11-13' of git://anongit.freedesktop.org/drm/drm-misc into drm-next

Driver Changes:
- qxl: Use a shadow bo as primary and blit to it to fix flicker (Gerd)
- rockchip: Convert psr spinlock to mutex (Emil)

Cc: Emil Renner Berthing <kernel@esmil.dk>
Cc: Gerd Hoffmann <kraxel@redhat.com>

* tag 'drm-misc-fixes-2017-11-13' of git://anongit.freedesktop.org/drm/drm-misc:
  drm/rockchip: analogix_dp: Use mutex rather than spinlock
This commit is contained in:
Dave Airlie 2017-11-14 05:29:34 +10:00
parent 9c117313af 44419ce7d7
commit ecc325bb76
1 changed files with 6 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
drivers/gpu/drm/rockchip/analogix_dp-rockchip.c
View File

@ -72,7 +72,7 @@ struct rockchip_dp_device {
struct reset_control *rst;
struct work_struct psr_work;
spinlock_t psr_lock;
struct mutex psr_lock;
unsigned int psr_state;
const struct rockchip_dp_chip_data *data;
@ -83,21 +83,20 @@ struct rockchip_dp_device {
static void analogix_dp_psr_set(struct drm_encoder *encoder, bool enabled)
{
struct rockchip_dp_device *dp = to_dp(encoder);
unsigned long flags;
if (!analogix_dp_psr_supported(dp->dev))
return;
DRM_DEV_DEBUG(dp->dev, "%s PSR...\n", enabled ? "Entry" : "Exit");
spin_lock_irqsave(&dp->psr_lock, flags);
mutex_lock(&dp->psr_lock);
if (enabled)
dp->psr_state = EDP_VSC_PSR_STATE_ACTIVE;
else
dp->psr_state = ~EDP_VSC_PSR_STATE_ACTIVE;
schedule_work(&dp->psr_work);
spin_unlock_irqrestore(&dp->psr_lock, flags);
mutex_unlock(&dp->psr_lock);
}
static void analogix_dp_psr_work(struct work_struct *work)
@ -105,7 +104,6 @@ static void analogix_dp_psr_work(struct work_struct *work)
struct rockchip_dp_device *dp =
container_of(work, typeof(*dp), psr_work);
int ret;
unsigned long flags;
ret = rockchip_drm_wait_vact_end(dp->encoder.crtc,
PSR_WAIT_LINE_FLAG_TIMEOUT_MS);
@ -114,12 +112,12 @@ static void analogix_dp_psr_work(struct work_struct *work)
return;
}
spin_lock_irqsave(&dp->psr_lock, flags);
mutex_lock(&dp->psr_lock);
if (dp->psr_state == EDP_VSC_PSR_STATE_ACTIVE)
analogix_dp_enable_psr(dp->dev);
else
analogix_dp_disable_psr(dp->dev);
spin_unlock_irqrestore(&dp->psr_lock, flags);
mutex_unlock(&dp->psr_lock);
}
static int rockchip_dp_pre_init(struct rockchip_dp_device *dp)
@ -381,7 +379,7 @@ static int rockchip_dp_bind(struct device *dev, struct device *master,
dp->plat_data.power_off = rockchip_dp_powerdown;
dp->plat_data.get_modes = rockchip_dp_get_modes;
spin_lock_init(&dp->psr_lock);
mutex_init(&dp->psr_lock);
dp->psr_state = ~EDP_VSC_PSR_STATE_ACTIVE;
INIT_WORK(&dp->psr_work, analogix_dp_psr_work);