On Tue, Apr 25, 2023 at 12:26:20PM -0700, José Roberto de Souza wrote: > drm/i915: Initialize dkl_phy spin lock from display code path
double subject! but I realized that this ended up in drm-intel-next like this as well so I kept in here as well... > > Start moving the initialization of display locks from > i915_driver_early_probe(). > Display locks should be initialized from display-only code paths. > > It was also agreed that if a variable is only used in one file, it > should be initialized only in that file, so intel_dkl_phy_init() was > added. > > v2: > - added intel_display_locks_init() > > v3: > - rebased > > v4: > - dropped intel_display_locks_init() > > v5: > - moved intel_dkl_phy_init() to the beginning of file > > Cc: [email protected] > Cc: Rodrigo Vivi <[email protected]> > Cc: Ville Syrjälä <[email protected]> > Cc: Jani Nikula <[email protected]> > Cc: Maarten Lankhorst <[email protected]> > Reviewed-by: Lucas De Marchi <[email protected]> > Signed-off-by: José Roberto de Souza <[email protected]> > Link: > https://patchwork.freedesktop.org/patch/msgid/[email protected] > (cherry picked from commit bfa010f608491036327db20aad1d15e28da0189e) > --- > drivers/gpu/drm/i915/display/intel_display_driver.c | 2 ++ > drivers/gpu/drm/i915/display/intel_dkl_phy.c | 9 +++++++++ > drivers/gpu/drm/i915/display/intel_dkl_phy.h | 1 + > drivers/gpu/drm/i915/i915_driver.c | 1 - > 4 files changed, 12 insertions(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/i915/display/intel_display_driver.c > b/drivers/gpu/drm/i915/display/intel_display_driver.c > index 92c624f6d2ae7..95669ad1a7975 100644 > --- a/drivers/gpu/drm/i915/display/intel_display_driver.c > +++ b/drivers/gpu/drm/i915/display/intel_display_driver.c > @@ -30,6 +30,7 @@ > #include "intel_display_driver.h" > #include "intel_display_power.h" > #include "intel_display_types.h" > +#include "intel_dkl_phy.h" > #include "intel_dmc.h" > #include "intel_dp.h" > #include "intel_dpll.h" > @@ -177,6 +178,7 @@ void intel_display_driver_early_probe(struct > drm_i915_private *i915) > if (!HAS_DISPLAY(i915)) > return; > > + intel_dkl_phy_init(i915); > intel_color_init_hooks(i915); > intel_init_cdclk_hooks(i915); > intel_audio_hooks_init(i915); > diff --git a/drivers/gpu/drm/i915/display/intel_dkl_phy.c > b/drivers/gpu/drm/i915/display/intel_dkl_phy.c > index 57cc3edba0163..a001232ad445e 100644 > --- a/drivers/gpu/drm/i915/display/intel_dkl_phy.c > +++ b/drivers/gpu/drm/i915/display/intel_dkl_phy.c > @@ -11,6 +11,15 @@ > #include "intel_dkl_phy.h" > #include "intel_dkl_phy_regs.h" > > +/** > + * intel_dkl_phy_init - initialize Dekel PHY > + * @i915: i915 device instance > + */ > +void intel_dkl_phy_init(struct drm_i915_private *i915) > +{ > + spin_lock_init(&i915->display.dkl.phy_lock); > +} > + > static void > dkl_phy_set_hip_idx(struct drm_i915_private *i915, struct intel_dkl_phy_reg > reg) > { > diff --git a/drivers/gpu/drm/i915/display/intel_dkl_phy.h > b/drivers/gpu/drm/i915/display/intel_dkl_phy.h > index 570ee36f9386f..5956ec3e940b1 100644 > --- a/drivers/gpu/drm/i915/display/intel_dkl_phy.h > +++ b/drivers/gpu/drm/i915/display/intel_dkl_phy.h > @@ -12,6 +12,7 @@ > > struct drm_i915_private; > > +void intel_dkl_phy_init(struct drm_i915_private *i915); > u32 > intel_dkl_phy_read(struct drm_i915_private *i915, struct intel_dkl_phy_reg > reg); > void > diff --git a/drivers/gpu/drm/i915/i915_driver.c > b/drivers/gpu/drm/i915/i915_driver.c > index decaff25c36cf..a4e11a3c1842f 100644 > --- a/drivers/gpu/drm/i915/i915_driver.c > +++ b/drivers/gpu/drm/i915/i915_driver.c > @@ -225,7 +225,6 @@ static int i915_driver_early_probe(struct > drm_i915_private *dev_priv) > mutex_init(&dev_priv->display.wm.wm_mutex); > mutex_init(&dev_priv->display.pps.mutex); > mutex_init(&dev_priv->display.hdcp.comp_mutex); > - spin_lock_init(&dev_priv->display.dkl.phy_lock); > > i915_memcpy_init_early(dev_priv); > intel_runtime_pm_init_early(&dev_priv->runtime_pm); > -- > 2.40.0 >
