drm/i915: In intel_dp_init, replace read of DPCD with intel_dp_get_dpcd
Eliminates an open-coded read and also gains the retry behaviour of
intel_dp_get_dpcd, which seems like a good idea.
Signed-off-by: Keith Packard <keithp@keithp.com>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Reviewed-by: Adam Jackson <ajax@redhat.com>
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 41674e1..9f134d2 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -2015,7 +2015,7 @@
/* Cache some DPCD data in the eDP case */
if (is_edp(intel_dp)) {
- int ret;
+ bool ret;
u32 pp_on, pp_div;
pp_on = I915_READ(PCH_PP_ON_DELAYS);
@@ -2028,11 +2028,9 @@
dev_priv->panel_t12 *= 100; /* t12 in 100ms units */
ironlake_edp_panel_vdd_on(intel_dp);
- ret = intel_dp_aux_native_read(intel_dp, DP_DPCD_REV,
- intel_dp->dpcd,
- sizeof(intel_dp->dpcd));
+ ret = intel_dp_get_dpcd(intel_dp);
ironlake_edp_panel_vdd_off(intel_dp);
- if (ret == sizeof(intel_dp->dpcd)) {
+ if (ret) {
if (intel_dp->dpcd[DP_DPCD_REV] >= 0x11)
dev_priv->no_aux_handshake =
intel_dp->dpcd[DP_MAX_DOWNSPREAD] &