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author | Anusha Srivatsa <anusha.srivatsa@intel.com> | 2018-01-19 16:48:12 -0200 |
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committer | Paulo Zanoni <paulo.r.zanoni@intel.com> | 2018-01-19 17:58:28 -0200 |
commit | ccf6e0d9774657892e6715d519ea1c48c692158a (patch) | |
tree | aa328c7170a814c227a5f9552c68d6a33540386d /drivers/gpu/drm/i915/intel_panel.c | |
parent | b0d6a0f27e2ce77dc48527404d3a15ebf1b5d26d (diff) | |
download | linux-ccf6e0d9774657892e6715d519ea1c48c692158a.tar.bz2 |
drm/i915/icp: Add backlight Support for ICP
ICP has two backlight controllers - similar to previous platforms like
BXT -, but we only use one controller for now, so we can just reuse
the CNP code.
v2: Remove the usage of ICP_SECOND_PPS_BACKLIGHT register.(Jani)
Reuse CNP code since it is very similar.(Ville)
v3 (from Paulo): Rebase.
v4 (from Paulo): adjust commit message (James) and comment (Rodrigo).
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Ville Syrjala <ville.syrjala@linux.intel.com>
Acked-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Acked-by: James Ausmus <james.ausmus@intel.com>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Anusha Srivatsa <anusha.srivatsa@intel.com>
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180119184812.2888-1-paulo.r.zanoni@intel.com
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_panel.c')
-rw-r--r-- | drivers/gpu/drm/i915/intel_panel.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c index fa6831f8c004..e702a6487aa9 100644 --- a/drivers/gpu/drm/i915/intel_panel.c +++ b/drivers/gpu/drm/i915/intel_panel.c @@ -1719,9 +1719,9 @@ cnp_setup_backlight(struct intel_connector *connector, enum pipe unused) u32 pwm_ctl, val; /* - * CNP has the BXT implementation of backlight, but with only - * one controller. Future platforms could have multiple controllers - * so let's make this extensible and prepared for the future. + * CNP has the BXT implementation of backlight, but with only one + * controller. TODO: ICP has multiple controllers but we only use + * controller 0 for now. */ panel->backlight.controller = 0; @@ -1865,7 +1865,7 @@ intel_panel_init_backlight_funcs(struct intel_panel *panel) panel->backlight.set = bxt_set_backlight; panel->backlight.get = bxt_get_backlight; panel->backlight.hz_to_pwm = bxt_hz_to_pwm; - } else if (HAS_PCH_CNP(dev_priv)) { + } else if (HAS_PCH_CNP(dev_priv) || HAS_PCH_ICP(dev_priv)) { panel->backlight.setup = cnp_setup_backlight; panel->backlight.enable = cnp_enable_backlight; panel->backlight.disable = cnp_disable_backlight; |