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authorJani Nikula <jani.nikula@intel.com>2021-08-13 14:56:10 +0300
committerJani Nikula <jani.nikula@intel.com>2021-08-13 22:29:04 +0300
commit5918241f607616c0cd9565f575f4cd955fa435e0 (patch)
tree7a259ae9a618ae8797fd275b5879b7a28469993e /drivers/gpu
parentf6864b27d6d324771d979694de7ca455afbad32a (diff)
drm/i915/mst: use intel_de_rmw() to simplify VC payload alloc set/clear
Less is more, fewer lines to wonder about. Cc: Manasi Navare <manasi.d.navare@intel.com> Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com> Signed-off-by: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210813115610.20010-1-jani.nikula@intel.com
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/i915/display/intel_dp_mst.c9
1 files changed, 2 insertions, 7 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c b/drivers/gpu/drm/i915/display/intel_dp_mst.c
index 8d13d7b26a25..9859c0334ebc 100644
--- a/drivers/gpu/drm/i915/display/intel_dp_mst.c
+++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c
@@ -396,7 +396,6 @@ static void intel_mst_post_disable_dp(struct intel_atomic_state *state,
to_intel_connector(old_conn_state->connector);
struct drm_i915_private *dev_priv = to_i915(connector->base.dev);
bool last_mst_stream;
- u32 val;
intel_dp->active_mst_links--;
last_mst_stream = intel_dp->active_mst_links == 0;
@@ -412,12 +411,8 @@ static void intel_mst_post_disable_dp(struct intel_atomic_state *state,
clear_act_sent(encoder, old_crtc_state);
- val = intel_de_read(dev_priv,
- TRANS_DDI_FUNC_CTL(old_crtc_state->cpu_transcoder));
- val &= ~TRANS_DDI_DP_VC_PAYLOAD_ALLOC;
- intel_de_write(dev_priv,
- TRANS_DDI_FUNC_CTL(old_crtc_state->cpu_transcoder),
- val);
+ intel_de_rmw(dev_priv, TRANS_DDI_FUNC_CTL(old_crtc_state->cpu_transcoder),
+ TRANS_DDI_DP_VC_PAYLOAD_ALLOC, 0);
wait_for_act_sent(encoder, old_crtc_state);