v2: Add bugzilla links
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=96571
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=90075
Cc: cbroo...@gmail.com
Cc: jani.nik...@linux.intel.com
Tested-by: Lluís Batlle i Rossell <vi...@viric.name>
Signed-off-by: Shobhit Kumar <shobhit.ku...@intel.com>
---
drivers/gpu/drm/i915/intel_panel.c | 16 +++++++++++++++-
1 file changed, 15 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/intel_panel.c
b/drivers/gpu/drm/i915/intel_panel.c
index d56d1c2..4d84c561 100644
--- a/drivers/gpu/drm/i915/intel_panel.c
+++ b/drivers/gpu/drm/i915/intel_panel.c
@@ -36,6 +36,7 @@
#include "intel_drv.h"
#define CRC_PMIC_PWM_PERIOD_NS 21333
+#define LPSS_PWM_PERIOD_NS 10240
/* CRC PMIC based PWM Information */
struct intel_pwm_info crc_pwm_info = {
@@ -44,6 +45,13 @@ struct intel_pwm_info crc_pwm_info = {
.dev = NULL,
};
+/* LPSS based PWM Information */
+struct intel_pwm_info lpss_pwm_info = {
+ .period_ns = LPSS_PWM_PERIOD_NS,
+ .name = "pwm_lpss",
+ .dev = NULL,
+};
+
void
intel_fixed_panel_mode(const struct drm_display_mode *fixed_mode,
struct drm_display_mode *adjusted_mode)
@@ -1658,10 +1666,16 @@ static int pwm_setup_backlight(struct intel_connector
*connector,
enum pipe pipe)
{
struct drm_device *dev = connector->base.dev;
+ struct drm_i915_private *dev_priv = to_i915(connector->base.dev);
struct intel_panel *panel = &connector->panel;
- struct intel_pwm_info *pwm = &crc_pwm_info;
+ struct intel_pwm_info *pwm;
int retval;
+ if (dev_priv->vbt.dsi.config->pwm_blc == PPS_BLC_PMIC)
+ pwm = &crc_pwm_info;
+ else /* PPS_BLC_SOC */
+ pwm = &lpss_pwm_info;
+
/* Get the PWM chip for backlight control */
pwm->dev = pwm_get(dev->dev, pwm->name);
if (IS_ERR(pwm->dev)) {
--
2.7.4
_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx
