From 9548fefcaf9ab61291c0bd427627aa773b19dc75 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Ville=20Syrj=C3=A4l=C3=A4?= Date: Tue, 14 Feb 2023 00:52:58 +0200 Subject: [PATCH] drm/i915: Remove pointless register read MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit 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 --- drivers/gpu/drm/i915/display/intel_display.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index 463fa4835d12..e882d68fdca9 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) -- 2.34.1