Struct lv5207lp_platform_data refers to a platform device within
the Linux device hierarchy. The test in lv5207lp_backlight_check_fb()
compares it against the fbdev device in struct fb_info.dev, which
is different. Fix the test by comparing to struct fb_info.device.
Fixes a bug in the backlight driver and prepares fbdev for making
struct fb_info.dev optional.
v2:
* move renames into separate patch (Javier, Sam, Michael)
Fixes: 82e5c40d88f9 ("backlight: Add Sanyo LV5207LP backlight driver")
Signed-off-by: Thomas Zimmermann <tzimmermann(a)suse.de>
Cc: Laurent Pinchart <laurent.pinchart+renesas(a)ideasonboard.com>
Cc: Yoshinori Sato <ysato(a)users.sourceforge.jp>
Cc: Rich Felker <dalias(a)libc.org>
Cc: John Paul Adrian Glaubitz <glaubitz(a)physik.fu-berlin.de>
Cc: Lee Jones <lee(a)kernel.org>
Cc: Daniel Thompson <daniel.thompson(a)linaro.org>
Cc: Jingoo Han <jingoohan1(a)gmail.com>
Cc: linux-sh(a)vger.kernel.org
Cc: dri-devel(a)lists.freedesktop.org
Cc: <stable(a)vger.kernel.org> # v3.12+
Reviewed-by: Javier Martinez Canillas <javierm(a)redhat.com>
Reviewed-by: Sam Ravnborg <sam(a)ravnborg.org>
Reviewed-by: Daniel Thompson <daniel.thompson(a)linaro.org>
---
drivers/video/backlight/lv5207lp.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/video/backlight/lv5207lp.c b/drivers/video/backlight/lv5207lp.c
index 00673c8b66ac5..99ba4bc0a500d 100644
--- a/drivers/video/backlight/lv5207lp.c
+++ b/drivers/video/backlight/lv5207lp.c
@@ -67,7 +67,7 @@ static int lv5207lp_backlight_check_fb(struct backlight_device *backlight,
{
struct lv5207lp *lv = bl_get_data(backlight);
- return lv->pdata->fbdev == NULL || lv->pdata->fbdev == info->dev;
+ return lv->pdata->fbdev == NULL || lv->pdata->fbdev == info->device;
}
static const struct backlight_ops lv5207lp_backlight_ops = {
--
2.41.0
Struct gpio_backlight_platform_data refers to a platform device within
the Linux device hierarchy. The test in gpio_backlight_check_fb()
compares it against the fbdev device in struct fb_info.dev, which
is different. Fix the test by comparing to struct fb_info.device.
Fixes a bug in the backlight driver and prepares fbdev for making
struct fb_info.dev optional.
v2:
* move renames into separate patch (Javier, Sam, Michael)
Signed-off-by: Thomas Zimmermann <tzimmermann(a)suse.de>
Fixes: 8b770e3c9824 ("backlight: Add GPIO-based backlight driver")
Cc: Laurent Pinchart <laurent.pinchart+renesas(a)ideasonboard.com>
Cc: Rich Felker <dalias(a)libc.org>
Cc: John Paul Adrian Glaubitz <glaubitz(a)physik.fu-berlin.de>
Cc: Lee Jones <lee(a)kernel.org>
Cc: Daniel Thompson <daniel.thompson(a)linaro.org>
Cc: Jingoo Han <jingoohan1(a)gmail.com>
Cc: linux-sh(a)vger.kernel.org
Cc: dri-devel(a)lists.freedesktop.org
Cc: <stable(a)vger.kernel.org> # v3.12+
Reviewed-by: Sam Ravnborg <sam(a)ravnborg.org>
Reviewed-by: Daniel Thompson <daniel.thompson(a)linaro.org>
---
drivers/video/backlight/gpio_backlight.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/video/backlight/gpio_backlight.c b/drivers/video/backlight/gpio_backlight.c
index 6f78d928f054a..5c5c99f7979e3 100644
--- a/drivers/video/backlight/gpio_backlight.c
+++ b/drivers/video/backlight/gpio_backlight.c
@@ -35,7 +35,7 @@ static int gpio_backlight_check_fb(struct backlight_device *bl,
{
struct gpio_backlight *gbl = bl_get_data(bl);
- return gbl->fbdev == NULL || gbl->fbdev == info->dev;
+ return gbl->fbdev == NULL || gbl->fbdev == info->device;
}
static const struct backlight_ops gpio_backlight_ops = {
--
2.41.0
Kernels older than v5.19 do not support PerfMonV2 and the PMI handler
does not clear the overflow bits of the PerfCntrGlobalStatus register.
Because of this, loading a recent kernel using kexec from an older
kernel can result in inconsistent register states on Zen 4 systems.
The PMI handler of the new kernel gets confused and shows a warning when
an overflow occurs because some of the overflow bits are set even if the
corresponding counters are inactive. These are remnants from overflows
that were handled by the older kernel.
During CPU hotplug, the PerfCntrGlobalCtl and PerfCntrGlobalStatus
registers should always be cleared for PerfMonV2-capable processors.
However, a condition used for NB event constaints applicable only to
older processors currently prevents this from happening. Move the reset
sequence to an appropriate place and also clear the LBR Freeze bit.
Fixes: 21d59e3e2c40 ("perf/x86/amd/core: Detect PerfMonV2 support")
Signed-off-by: Sandipan Das <sandipan.das(a)amd.com>
---
arch/x86/events/amd/core.c | 14 ++++++++------
1 file changed, 8 insertions(+), 6 deletions(-)
diff --git a/arch/x86/events/amd/core.c b/arch/x86/events/amd/core.c
index abadd5f23425..ed626bfa1eed 100644
--- a/arch/x86/events/amd/core.c
+++ b/arch/x86/events/amd/core.c
@@ -534,8 +534,12 @@ static void amd_pmu_cpu_reset(int cpu)
/* Clear enable bits i.e. PerfCntrGlobalCtl.PerfCntrEn */
wrmsrl(MSR_AMD64_PERF_CNTR_GLOBAL_CTL, 0);
- /* Clear overflow bits i.e. PerfCntrGLobalStatus.PerfCntrOvfl */
- wrmsrl(MSR_AMD64_PERF_CNTR_GLOBAL_STATUS_CLR, amd_pmu_global_cntr_mask);
+ /*
+ * Clear freeze and overflow bits i.e. PerfCntrGLobalStatus.LbrFreeze
+ * and PerfCntrGLobalStatus.PerfCntrOvfl
+ */
+ wrmsrl(MSR_AMD64_PERF_CNTR_GLOBAL_STATUS_CLR,
+ GLOBAL_STATUS_LBRS_FROZEN | amd_pmu_global_cntr_mask);
}
static int amd_pmu_cpu_prepare(int cpu)
@@ -570,6 +574,7 @@ static void amd_pmu_cpu_starting(int cpu)
int i, nb_id;
cpuc->perf_ctr_virt_mask = AMD64_EVENTSEL_HOSTONLY;
+ amd_pmu_cpu_reset(cpu);
if (!x86_pmu.amd_nb_constraints)
return;
@@ -591,8 +596,6 @@ static void amd_pmu_cpu_starting(int cpu)
cpuc->amd_nb->nb_id = nb_id;
cpuc->amd_nb->refcnt++;
-
- amd_pmu_cpu_reset(cpu);
}
static void amd_pmu_cpu_dead(int cpu)
@@ -601,6 +604,7 @@ static void amd_pmu_cpu_dead(int cpu)
kfree(cpuhw->lbr_sel);
cpuhw->lbr_sel = NULL;
+ amd_pmu_cpu_reset(cpu);
if (!x86_pmu.amd_nb_constraints)
return;
@@ -613,8 +617,6 @@ static void amd_pmu_cpu_dead(int cpu)
cpuhw->amd_nb = NULL;
}
-
- amd_pmu_cpu_reset(cpu);
}
static inline void amd_pmu_set_global_ctl(u64 ctl)
--
2.34.1
Struct bd6107_platform_data refers to a platform device within
the Linux device hierarchy. The test in bd6107_backlight_check_fb()
compares it against the fbdev device in struct fb_info.dev, which
is different. Fix the test by comparing to struct fb_info.device.
Fixes a bug in the backlight driver and prepares fbdev for making
struct fb_info.dev optional.
v2:
* move renames into separate patch (Javier, Sam, Michael)
Fixes: 67b43e590415 ("backlight: Add ROHM BD6107 backlight driver")
Signed-off-by: Thomas Zimmermann <tzimmermann(a)suse.de>
Cc: Laurent Pinchart <laurent.pinchart+renesas(a)ideasonboard.com>
Cc: Lee Jones <lee(a)kernel.org>
Cc: Daniel Thompson <daniel.thompson(a)linaro.org>
Cc: Jingoo Han <jingoohan1(a)gmail.com>
Cc: dri-devel(a)lists.freedesktop.org
Cc: <stable(a)vger.kernel.org> # v3.12+
Reviewed-by: Javier Martinez Canillas <javierm(a)redhat.com>
---
drivers/video/backlight/bd6107.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/video/backlight/bd6107.c b/drivers/video/backlight/bd6107.c
index f4db6c064635b..e3410444ea235 100644
--- a/drivers/video/backlight/bd6107.c
+++ b/drivers/video/backlight/bd6107.c
@@ -104,7 +104,7 @@ static int bd6107_backlight_check_fb(struct backlight_device *backlight,
{
struct bd6107 *bd = bl_get_data(backlight);
- return bd->pdata->fbdev == NULL || bd->pdata->fbdev == info->dev;
+ return bd->pdata->fbdev == NULL || bd->pdata->fbdev == info->device;
}
static const struct backlight_ops bd6107_backlight_ops = {
--
2.41.0
Struct lv5207lp_platform_data refers to a platform device within
the Linux device hierarchy. The test in lv5207lp_backlight_check_fb()
compares it against the fbdev device in struct fb_info.dev, which
is different. Fix the test by comparing to struct fb_info.device.
Fixes a bug in the backlight driver and prepares fbdev for making
struct fb_info.dev optional.
v2:
* move renames into separate patch (Javier, Sam, Michael)
Fixes: 82e5c40d88f9 ("backlight: Add Sanyo LV5207LP backlight driver")
Signed-off-by: Thomas Zimmermann <tzimmermann(a)suse.de>
Cc: Laurent Pinchart <laurent.pinchart+renesas(a)ideasonboard.com>
Cc: Yoshinori Sato <ysato(a)users.sourceforge.jp>
Cc: Rich Felker <dalias(a)libc.org>
Cc: John Paul Adrian Glaubitz <glaubitz(a)physik.fu-berlin.de>
Cc: Lee Jones <lee(a)kernel.org>
Cc: Daniel Thompson <daniel.thompson(a)linaro.org>
Cc: Jingoo Han <jingoohan1(a)gmail.com>
Cc: linux-sh(a)vger.kernel.org
Cc: dri-devel(a)lists.freedesktop.org
Cc: <stable(a)vger.kernel.org> # v3.12+
Reviewed-by: Javier Martinez Canillas <javierm(a)redhat.com>
---
drivers/video/backlight/lv5207lp.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/video/backlight/lv5207lp.c b/drivers/video/backlight/lv5207lp.c
index 00673c8b66ac5..99ba4bc0a500d 100644
--- a/drivers/video/backlight/lv5207lp.c
+++ b/drivers/video/backlight/lv5207lp.c
@@ -67,7 +67,7 @@ static int lv5207lp_backlight_check_fb(struct backlight_device *backlight,
{
struct lv5207lp *lv = bl_get_data(backlight);
- return lv->pdata->fbdev == NULL || lv->pdata->fbdev == info->dev;
+ return lv->pdata->fbdev == NULL || lv->pdata->fbdev == info->device;
}
static const struct backlight_ops lv5207lp_backlight_ops = {
--
2.41.0
Struct gpio_backlight_platform_data refers to a platform device within
the Linux device hierarchy. The test in gpio_backlight_check_fb()
compares it against the fbdev device in struct fb_info.dev, which
is different. Fix the test by comparing to struct fb_info.device.
Fixes a bug in the backlight driver and prepares fbdev for making
struct fb_info.dev optional.
v2:
* move renames into separate patch (Javier, Sam, Michael)
Signed-off-by: Thomas Zimmermann <tzimmermann(a)suse.de>
Fixes: 8b770e3c9824 ("backlight: Add GPIO-based backlight driver")
Cc: Laurent Pinchart <laurent.pinchart+renesas(a)ideasonboard.com>
Cc: Rich Felker <dalias(a)libc.org>
Cc: John Paul Adrian Glaubitz <glaubitz(a)physik.fu-berlin.de>
Cc: Lee Jones <lee(a)kernel.org>
Cc: Daniel Thompson <daniel.thompson(a)linaro.org>
Cc: Jingoo Han <jingoohan1(a)gmail.com>
Cc: linux-sh(a)vger.kernel.org
Cc: dri-devel(a)lists.freedesktop.org
Cc: <stable(a)vger.kernel.org> # v3.12+
---
drivers/video/backlight/gpio_backlight.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/video/backlight/gpio_backlight.c b/drivers/video/backlight/gpio_backlight.c
index 6f78d928f054a..5c5c99f7979e3 100644
--- a/drivers/video/backlight/gpio_backlight.c
+++ b/drivers/video/backlight/gpio_backlight.c
@@ -35,7 +35,7 @@ static int gpio_backlight_check_fb(struct backlight_device *bl,
{
struct gpio_backlight *gbl = bl_get_data(bl);
- return gbl->fbdev == NULL || gbl->fbdev == info->dev;
+ return gbl->fbdev == NULL || gbl->fbdev == info->device;
}
static const struct backlight_ops gpio_backlight_ops = {
--
2.41.0
Dzień dobry,
Czy jest możliwość nawiązania współpracy z Państwem?
Z chęcią porozmawiam z osobą zajmującą się działaniami związanymi ze sprzedażą.
Pomagamy skutecznie pozyskiwać nowych klientów.
Zapraszam do kontaktu.
Pozdrawiam
Marcin Wojciechowski