From: Ville Syrjälä <[email protected]> Let's not replicate the same piece of code to expand the MSO segment timings to full width in many places. Pull it into a helper
Reviewed-by: Jani Nikula <[email protected]> Signed-off-by: Ville Syrjälä <[email protected]> --- drivers/gpu/drm/i915/display/intel_display.c | 54 ++++++++++---------- 1 file changed, 26 insertions(+), 28 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index c7339764f3d2..43ef14e8d9d3 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -2728,6 +2728,30 @@ static void intel_crtc_compute_pixel_rate(struct intel_crtc_state *crtc_state) ilk_pipe_pixel_rate(crtc_state); } +static void intel_splitter_adjust_timings(const struct intel_crtc_state *crtc_state, + struct drm_display_mode *mode) +{ + int overlap = crtc_state->splitter.pixel_overlap; + int n = crtc_state->splitter.link_count; + + if (!crtc_state->splitter.enable) + return; + + /* + * eDP MSO uses segment timings from EDID for transcoder + * timings, but full mode for everything else. + * + * h_full = (h_segment - pixel_overlap) * link_count + */ + mode->crtc_hdisplay = (mode->crtc_hdisplay - overlap) * n; + mode->crtc_hblank_start = (mode->crtc_hblank_start - overlap) * n; + mode->crtc_hblank_end = (mode->crtc_hblank_end - overlap) * n; + mode->crtc_hsync_start = (mode->crtc_hsync_start - overlap) * n; + mode->crtc_hsync_end = (mode->crtc_hsync_end - overlap) * n; + mode->crtc_htotal = (mode->crtc_htotal - overlap) * n; + mode->crtc_clock *= n; +} + static void intel_crtc_readout_derived_state(struct intel_crtc_state *crtc_state) { struct drm_display_mode *mode = &crtc_state->hw.mode; @@ -2751,22 +2775,7 @@ static void intel_crtc_readout_derived_state(struct intel_crtc_state *crtc_state } if (crtc_state->splitter.enable) { - int n = crtc_state->splitter.link_count; - int overlap = crtc_state->splitter.pixel_overlap; - - /* - * eDP MSO uses segment timings from EDID for transcoder - * timings, but full mode for everything else. - * - * h_full = (h_segment - pixel_overlap) * link_count - */ - pipe_mode->crtc_hdisplay = (pipe_mode->crtc_hdisplay - overlap) * n; - pipe_mode->crtc_hblank_start = (pipe_mode->crtc_hblank_start - overlap) * n; - pipe_mode->crtc_hblank_end = (pipe_mode->crtc_hblank_end - overlap) * n; - pipe_mode->crtc_hsync_start = (pipe_mode->crtc_hsync_start - overlap) * n; - pipe_mode->crtc_hsync_end = (pipe_mode->crtc_hsync_end - overlap) * n; - pipe_mode->crtc_htotal = (pipe_mode->crtc_htotal - overlap) * n; - pipe_mode->crtc_clock *= n; + intel_splitter_adjust_timings(crtc_state, pipe_mode); intel_mode_from_crtc_timings(pipe_mode, pipe_mode); intel_mode_from_crtc_timings(adjusted_mode, pipe_mode); @@ -2811,18 +2820,7 @@ static int intel_crtc_compute_config(struct intel_crtc *crtc, crtc_state->pipe_src_w /= 2; } - if (crtc_state->splitter.enable) { - int n = crtc_state->splitter.link_count; - int overlap = crtc_state->splitter.pixel_overlap; - - pipe_mode->crtc_hdisplay = (pipe_mode->crtc_hdisplay - overlap) * n; - pipe_mode->crtc_hblank_start = (pipe_mode->crtc_hblank_start - overlap) * n; - pipe_mode->crtc_hblank_end = (pipe_mode->crtc_hblank_end - overlap) * n; - pipe_mode->crtc_hsync_start = (pipe_mode->crtc_hsync_start - overlap) * n; - pipe_mode->crtc_hsync_end = (pipe_mode->crtc_hsync_end - overlap) * n; - pipe_mode->crtc_htotal = (pipe_mode->crtc_htotal - overlap) * n; - pipe_mode->crtc_clock *= n; - } + intel_splitter_adjust_timings(crtc_state, pipe_mode); intel_mode_from_crtc_timings(pipe_mode, pipe_mode); -- 2.34.1
