[PATCH 24/30] xfree86/modes: Stop setting v_back_porch and v_frame_rate for nothing.

[Cyril Brulebois]

Signed-off-by: Cyril Brulebois <kibi at debian.org>
---
 hw/xfree86/modes/xf86gtf.c |   20 +++-----------------
 1 files changed, 3 insertions(+), 17 deletions(-)

diff --git a/hw/xfree86/modes/xf86gtf.c b/hw/xfree86/modes/xf86gtf.c
index 9d5d50a..f61c18c 100644
--- a/hw/xfree86/modes/xf86gtf.c
+++ b/hw/xfree86/modes/xf86gtf.c
@@ -115,12 +115,10 @@ xf86GTFMode(int h_pixels, int v_lines, float freq, int interlaced, int margins)
     float interlace;
     float h_period_est;
     float vsync_plus_bp;
-    float v_back_porch;
     float total_v_lines;
     float v_field_rate_est;
     float h_period;
     float v_field_rate;
-    float v_frame_rate;
     float left_margin;
     float right_margin;
     float total_active_pixels;
@@ -208,15 +206,8 @@ xf86GTFMode(int h_pixels, int v_lines, float freq, int interlaced, int margins)
 
     vsync_plus_bp = rint(MIN_VSYNC_PLUS_BP/h_period_est);
 
-    /*  9. Find the number of lines in V back porch alone:
-     *
-     *  [V BACK PORCH] = [V SYNC+BP] - [V SYNC RND]
-     *
-     *  XXX is "[V SYNC RND]" a typo? should be [V SYNC RQD]?
-     */
-    
-    v_back_porch = vsync_plus_bp - V_SYNC_RQD;
-    
+    /*  9. Find the number of lines in V back porch alone [useless, removed] */
+
     /*  10. Find the total number of lines in Vertical field period:
      *
      *  [TOTAL V LINES] = [V LINES RND] + [TOP MARGIN (LINES)] +
@@ -248,12 +239,7 @@ xf86GTFMode(int h_pixels, int v_lines, float freq, int interlaced, int margins)
 
     v_field_rate = 1.0 / h_period / total_v_lines * 1000000.0;
 
-    /*  14. Find the Vertical frame frequency:
-     *
-     *  [V FRAME RATE] = (IF([INT RQD?]="y", [V FIELD RATE]/2, [V FIELD RATE]))
-     */
-
-    v_frame_rate = interlaced ? v_field_rate / 2.0 : v_field_rate;
+    /*  14. Find the Vertical frame frequency [useless, removed] */
 
     /*  15. Find number of pixels in left margin:
      *
-- 
1.7.5.1