mirrors/linux
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2026-05-03 12:24:37 -04:00
Code Issues Packages Projects Releases Wiki Activity

drm/i915/pps: Introduce pps_delays_valid()

Browse Source 
Add a small helper that determines if the PPS delays have been
initialized or not.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220510104242.6099-5-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
This commit is contained in:
Ville Syrjälä
2022-05-10 13:42:31 +03:00
parent 75bd0d5e4e
commit 60b02a0959
1 changed files with 7 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/gpu/drm/i915/display/intel_pps.c
View File

@@ -1159,6 +1159,12 @@ intel_pps_verify_state(struct intel_dp *intel_dp)
}
}
static bool pps_delays_valid(struct edp_power_seq *delays)
{
return delays->t1_t3 || delays->t8 || delays->t9 ||
delays->t10 || delays->t11_t12;
}
static void pps_init_delays_cur(struct intel_dp *intel_dp,
struct edp_power_seq *cur)
{
@@ -1230,7 +1236,7 @@ static void pps_init_delays(struct intel_dp *intel_dp)
lockdep_assert_held(&dev_priv->pps_mutex);
/* already initialized? */
if (final->t11_t12 != 0)
if (pps_delays_valid(final))
return;
pps_init_delays_cur(intel_dp, &cur);