[PATCH v2 13/28] video: fbdev: riva: Fix kernel-doc and set but not used warnings

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Fix W=1 warnings:
- Fix kernel-doc
- Drop unused variables/code

v2:
  - Updated subject (Lee)

Signed-off-by: Sam Ravnborg <sam@xxxxxxxxxxxx>
Cc: Antonino Daplas <adaplas@xxxxxxxxx>
Cc: linux-fbdev@xxxxxxxxxxxxxxx
Cc: Lee Jones <lee.jones@xxxxxxxxxx>
---
 drivers/video/fbdev/riva/fbdev.c   |  9 ++++-----
 drivers/video/fbdev/riva/riva_hw.c | 28 ++++++++--------------------
 2 files changed, 12 insertions(+), 25 deletions(-)

diff --git a/drivers/video/fbdev/riva/fbdev.c b/drivers/video/fbdev/riva/fbdev.c
index ce55b9d2e862..55554b0433cb 100644
--- a/drivers/video/fbdev/riva/fbdev.c
+++ b/drivers/video/fbdev/riva/fbdev.c
@@ -464,7 +464,7 @@ static inline void reverse_order(u32 *l)
 
 /**
  * rivafb_load_cursor_image - load cursor image to hardware
- * @data: address to monochrome bitmap (1 = foreground color, 0 = background)
+ * @data8: address to monochrome bitmap (1 = foreground color, 0 = background)
  * @par:  pointer to private data
  * @w:    width of cursor image in pixels
  * @h:    height of cursor image in scanlines
@@ -843,9 +843,9 @@ static void riva_update_var(struct fb_var_screeninfo *var,
 /**
  * rivafb_do_maximize - 
  * @info: pointer to fb_info object containing info for current riva board
- * @var:
- * @nom:
- * @den:
+ * @var: standard kernel fb changeable data
+ * @nom: nom
+ * @den: den
  *
  * DESCRIPTION:
  * .
@@ -1214,7 +1214,6 @@ static int rivafb_set_par(struct fb_info *info)
 /**
  * rivafb_pan_display
  * @var: standard kernel fb changeable data
- * @con: TODO
  * @info: pointer to fb_info object containing info for current riva board
  *
  * DESCRIPTION:
diff --git a/drivers/video/fbdev/riva/riva_hw.c b/drivers/video/fbdev/riva/riva_hw.c
index bcf9c4b4de31..8b829b720064 100644
--- a/drivers/video/fbdev/riva/riva_hw.c
+++ b/drivers/video/fbdev/riva/riva_hw.c
@@ -836,17 +836,17 @@ static void nv10CalcArbitration
     nv10_sim_state *arb
 )
 {
-    int data, pagemiss, cas,width, video_enable, bpp;
-    int nvclks, mclks, pclks, vpagemiss, crtpagemiss, vbs;
-    int nvclk_fill, us_extra;
+    int data, pagemiss, width, video_enable, bpp;
+    int nvclks, mclks, pclks, vpagemiss, crtpagemiss;
+    int nvclk_fill;
     int found, mclk_extra, mclk_loop, cbs, m1;
     int mclk_freq, pclk_freq, nvclk_freq, mp_enable;
-    int us_m, us_m_min, us_n, us_p, video_drain_rate, crtc_drain_rate;
-    int vus_m, vus_n, vus_p;
-    int vpm_us, us_video, vlwm, cpm_us, us_crt,clwm;
+    int us_m, us_m_min, us_n, us_p, crtc_drain_rate;
+    int vus_m;
+    int vpm_us, us_video, cpm_us, us_crt,clwm;
     int clwm_rnd_down;
-    int craw, m2us, us_pipe, us_pipe_min, vus_pipe, p1clk, p2;
-    int pclks_2_top_fifo, min_mclk_extra;
+    int m2us, us_pipe_min, p1clk, p2;
+    int min_mclk_extra;
     int us_min_mclk_extra;
 
     fifo->valid = 1;
@@ -854,16 +854,13 @@ static void nv10CalcArbitration
     mclk_freq = arb->mclk_khz;
     nvclk_freq = arb->nvclk_khz;
     pagemiss = arb->mem_page_miss;
-    cas = arb->mem_latency;
     width = arb->memory_width/64;
     video_enable = arb->enable_video;
     bpp = arb->pix_bpp;
     mp_enable = arb->enable_mp;
     clwm = 0;
-    vlwm = 1024;
 
     cbs = 512;
-    vbs = 512;
 
     pclks = 4; /* lwm detect. */
 
@@ -924,17 +921,11 @@ static void nv10CalcArbitration
       us_min_mclk_extra = min_mclk_extra *1000*1000 / mclk_freq;
       us_n = nvclks*1000*1000 / nvclk_freq;/* nvclk latency in us */
       us_p = pclks*1000*1000 / pclk_freq;/* nvclk latency in us */
-      us_pipe = us_m + us_n + us_p;
       us_pipe_min = us_m_min + us_n + us_p;
-      us_extra = 0;
 
       vus_m = mclk_loop *1000*1000 / mclk_freq; /* Mclk latency in us */
-      vus_n = (4)*1000*1000 / nvclk_freq;/* nvclk latency in us */
-      vus_p = 0*1000*1000 / pclk_freq;/* pclk latency in us */
-      vus_pipe = vus_m + vus_n + vus_p;
 
       if(video_enable) {
-        video_drain_rate = pclk_freq * 4; /* MB/s */
         crtc_drain_rate = pclk_freq * bpp/8; /* MB/s */
 
         vpagemiss = 1; /* self generating page miss */
@@ -993,7 +984,6 @@ static void nv10CalcArbitration
               else if(crtc_drain_rate * 100  >= nvclk_fill * 98) {
                   clwm = 1024;
                   cbs = 512;
-                  us_extra = (cbs * 1000 * 1000)/ (8*width)/mclk_freq ;
               }
           }
       }
@@ -1010,7 +1000,6 @@ static void nv10CalcArbitration
 
       m1 = clwm + cbs -  1024; /* Amount of overfill */
       m2us = us_pipe_min + us_min_mclk_extra;
-      pclks_2_top_fifo = (1024-clwm)/(8*width);
 
       /* pclk cycles to drain */
       p1clk = m2us * pclk_freq/(1000*1000); 
@@ -1038,7 +1027,6 @@ static void nv10CalcArbitration
               min_mclk_extra--;
         }
       }
-      craw = clwm;
 
       if(clwm < (1024-cbs+8)) clwm = 1024-cbs+8;
       data = (int)(clwm);
-- 
2.27.0

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