Commit 9548fefc authored by Ville Syrjälä's avatar Ville Syrjälä
Browse files

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: default avatarVille Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230213225258.2127-13-ville.syrjala@linux.intel.com


Reviewed-by: default avatarJani Nikula <jani.nikula@intel.com>
parent 1552dd6e

drivers/gpu/drm/i915/display/intel_display.c

+2 −2
Original line number Diff line number Diff line
@@ -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)