[PATCH 1/3] Remove dead code flagged by gcc -Wunused-but-set-variable.

[Michel Dänzer]

From: Michel Dänzer <michel.daenzer at amd.com>

Signed-off-by: Michel Dänzer <michel.daenzer at amd.com>
---
 src/drmmode_display.c               |    2 --
 src/evergreen_textured_videofuncs.c |   12 ------------
 src/r600_textured_videofuncs.c      |   12 ------------
 src/radeon_textured_videofuncs.c    |   12 ------------
 4 files changed, 38 deletions(-)

diff --git a/src/drmmode_display.c b/src/drmmode_display.c
index d00e60d..db106ea 100644
--- a/src/drmmode_display.c
+++ b/src/drmmode_display.c
@@ -1535,11 +1535,9 @@ drm_wakeup_handler(pointer data, int err, pointer p)
 
 Bool drmmode_pre_init(ScrnInfoPtr pScrn, drmmode_ptr drmmode, int cpp)
 {
-	xf86CrtcConfigPtr xf86_config;
 	int i, num_dvi = 0, num_hdmi = 0;
 
 	xf86CrtcConfigInit(pScrn, &drmmode_xf86crtc_config_funcs);
-	xf86_config = XF86_CRTC_CONFIG_PTR(pScrn);
 
 	drmmode->scrn = pScrn;
 	drmmode->cpp = cpp;
diff --git a/src/evergreen_textured_videofuncs.c b/src/evergreen_textured_videofuncs.c
index 6daf30e..a1956e7 100644
--- a/src/evergreen_textured_videofuncs.c
+++ b/src/evergreen_textured_videofuncs.c
@@ -106,7 +106,6 @@ EVERGREENDisplayTexturedVideo(ScrnInfoPtr pScrn, RADEONPortPrivPtr pPriv)
     float uco[3], vco[3], off[3];
     float bright, cont, gamma;
     int ref = pPriv->transform_index;
-    Bool needgamma = FALSE;
     float *ps_alu_consts;
     const_config_t ps_const_conf;
     float *vs_alu_consts;
@@ -133,17 +132,6 @@ EVERGREENDisplayTexturedVideo(ScrnInfoPtr pScrn, RADEONPortPrivPtr pPriv)
     // XXX
     gamma = 1.0;
 
-    if (gamma != 1.0) {
-	needgamma = TRUE;
-	/* note: gamma correction is out = in ^ gamma;
-	   gpu can only do LG2/EX2 therefore we transform into
-	   in ^ gamma = 2 ^ (log2(in) * gamma).
-	   Lots of scalar ops, unfortunately (better solution?) -
-	   without gamma that's 3 inst, with gamma it's 10...
-	   could use different gamma factors per channel,
-	   if that's of any use. */
-    }
-
     CLEAR (cb_conf);
     CLEAR (tex_res);
     CLEAR (tex_samp);
diff --git a/src/r600_textured_videofuncs.c b/src/r600_textured_videofuncs.c
index 970ab8e..19cf82d 100644
--- a/src/r600_textured_videofuncs.c
+++ b/src/r600_textured_videofuncs.c
@@ -106,7 +106,6 @@ R600DisplayTexturedVideo(ScrnInfoPtr pScrn, RADEONPortPrivPtr pPriv)
     float uco[3], vco[3], off[3];
     float bright, cont, gamma;
     int ref = pPriv->transform_index;
-    Bool needgamma = FALSE;
     float ps_alu_consts[12];
     float vs_alu_consts[4];
 
@@ -131,17 +130,6 @@ R600DisplayTexturedVideo(ScrnInfoPtr pScrn, RADEONPortPrivPtr pPriv)
     // XXX
     gamma = 1.0;
 
-    if (gamma != 1.0) {
-	needgamma = TRUE;
-	/* note: gamma correction is out = in ^ gamma;
-	   gpu can only do LG2/EX2 therefore we transform into
-	   in ^ gamma = 2 ^ (log2(in) * gamma).
-	   Lots of scalar ops, unfortunately (better solution?) -
-	   without gamma that's 3 inst, with gamma it's 10...
-	   could use different gamma factors per channel,
-	   if that's of any use. */
-    }
-
     /* setup the ps consts */
     ps_alu_consts[0] = off[0];
     ps_alu_consts[1] = off[1];
diff --git a/src/radeon_textured_videofuncs.c b/src/radeon_textured_videofuncs.c
index c1bdc65..02eb0b7 100644
--- a/src/radeon_textured_videofuncs.c
+++ b/src/radeon_textured_videofuncs.c
@@ -3248,7 +3248,6 @@ R500PrepareTexturedVideo(ScrnInfoPtr pScrn, RADEONPortPrivPtr pPriv)
 	float uco[3], vco[3], off[3];
 	float bright, cont, gamma;
 	int ref = pPriv->transform_index;
-	Bool needgamma = FALSE;
 
 	cont = RTFContrast(pPriv->contrast);
 	bright = RTFBrightness(pPriv->brightness);
@@ -3270,17 +3269,6 @@ R500PrepareTexturedVideo(ScrnInfoPtr pScrn, RADEONPortPrivPtr pPriv)
 
 	//XXX gamma
 
-	if (gamma != 1.0) {
-	    needgamma = TRUE;
-	    /* note: gamma correction is out = in ^ gamma;
-	       gpu can only do LG2/EX2 therefore we transform into
-	       in ^ gamma = 2 ^ (log2(in) * gamma).
-	       Lots of scalar ops, unfortunately (better solution?) -
-	       without gamma that's 3 inst, with gamma it's 10...
-	       could use different gamma factors per channel,
-	       if that's of any use. */
-	}
-
 	if (pPriv->is_planar) {
 	    BEGIN_RING(2*56);
 	    /* 2 components: 2 for tex0 */
-- 
1.7.10.4