From: Ville Syrjälä Date: Mon, 13 Feb 2023 22:52:58 +0000 (+0200) Subject: drm/i915: Remove pointless register read X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=9548fefcaf9ab61291c0bd427627aa773b19dc75;p=linux.git drm/i915: Remove pointless register read We just wrote the EDP transcoder's VTOTAL register a few lines earlier, so instead of reading it back out again let's just generate the same value for the transocder B/C register. Signed-off-by: Ville Syrjälä Link: https://patchwork.freedesktop.org/patch/msgid/20230213225258.2127-13-ville.syrjala@linux.intel.com Reviewed-by: Jani Nikula --- diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index 463fa4835d12f..e882d68fdca96 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -2794,8 +2794,8 @@ static void intel_set_transcoder_timings(const struct intel_crtc_state *crtc_sta if (IS_HASWELL(dev_priv) && cpu_transcoder == TRANSCODER_EDP && (pipe == PIPE_B || pipe == PIPE_C)) intel_de_write(dev_priv, TRANS_VTOTAL(pipe), - intel_de_read(dev_priv, TRANS_VTOTAL(cpu_transcoder))); - + VACTIVE(crtc_vdisplay - 1) | + VTOTAL(crtc_vtotal - 1)); } static void intel_set_pipe_src_size(const struct intel_crtc_state *crtc_state)