diff options
| author | Ville Syrjälä <[email protected]> | 2023-10-18 18:41:20 +0300 |
|---|---|---|
| committer | Ville Syrjälä <[email protected]> | 2023-11-01 12:35:59 +0200 |
| commit | d1727cdd450d70cd747a466e96c63c26c78b6b11 (patch) | |
| tree | e4b6a6eddd917465d7b2b14d3973368da1c1b7a8 | |
| parent | 949113d34fb82a5dc6f5dd3ad9168001b441792b (diff) | |
drm/i915/mst: Swap TRANSCONF vs. FECSTALL_DIS_DPTSTREAM_DPTTG disable
The DP modeset sequence asks us to disable TRANSCONF before clearing
the FECSTALL_DIS_DPTSTREAM_DPTTG bit, although we are still asked
to wait for the transcoder to stop only after both steps have
been done.
Signed-off-by: Ville Syrjälä <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
Reviewed-by: Jani Nikula <[email protected]>
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_display.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index 1caf46e3e569..cdec0425f519 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -485,6 +485,8 @@ void intel_disable_transcoder(const struct intel_crtc_state *old_crtc_state) if (!IS_I830(dev_priv)) val &= ~TRANSCONF_ENABLE; + intel_de_write(dev_priv, reg, val); + if (DISPLAY_VER(dev_priv) >= 14) intel_de_rmw(dev_priv, MTL_CHICKEN_TRANS(cpu_transcoder), FECSTALL_DIS_DPTSTREAM_DPTTG, 0); @@ -492,7 +494,6 @@ void intel_disable_transcoder(const struct intel_crtc_state *old_crtc_state) intel_de_rmw(dev_priv, CHICKEN_TRANS(cpu_transcoder), FECSTALL_DIS_DPTSTREAM_DPTTG, 0); - intel_de_write(dev_priv, reg, val); if ((val & TRANSCONF_ENABLE) == 0) intel_wait_for_pipe_off(old_crtc_state); } |