radeon: Remove some remaining set-but-unused variables.

These looked more like copy-and-paste to me than the others (which
looked more like possibly someone forgot to write some code in a
refactor), so I didn't verify where they came from.

src/mesa/drivers/dri/r600/r600_cmdbuf.c

@@ -259,13 +259,11 @@ static int r600_cs_process_relocs(struct radeon_cs_int *csi,
                                   uint32_t * reloc_chunk,
                                   uint32_t * length_dw_reloc_chunk) 
 {
-    struct r600_cs_manager_legacy *csm = (struct r600_cs_manager_legacy*)csi->csm;
     struct r600_cs_reloc_legacy *relocs;
     int i, j, r;
 
     uint32_t offset_dw = 0;
 
-    csm = (struct r600_cs_manager_legacy*)csi->csm;
     relocs = (struct r600_cs_reloc_legacy *)csi->relocs;
 restart:
     for (i = 0; i < csi->crelocs; i++) {

src/mesa/drivers/dri/radeon/radeon_common.c

@@ -436,7 +436,6 @@ void radeonCopyBuffer( __DRIdrawable *dPriv,
 		       const drm_clip_rect_t	  *rect)
 {
 	radeonContextPtr rmesa;
-	struct radeon_framebuffer *rfb;
 	GLint nbox, i, ret;
 
 	assert(dPriv);
@@ -447,8 +446,6 @@ void radeonCopyBuffer( __DRIdrawable *dPriv,
 
 	LOCK_HARDWARE(rmesa);
 
-	rfb = dPriv->driverPrivate;
-
 	if ( RADEON_DEBUG & RADEON_IOCTL ) {
 		fprintf( stderr, "\n%s( %p )\n\n", __FUNCTION__, (void *) rmesa->glCtx );
 	}
@@ -527,8 +524,6 @@ static GLboolean radeonPageFlip( __DRIdrawable *dPriv )
 {
 	radeonContextPtr radeon;
 	GLint ret;
-	__DRIscreen *psp;
-	struct radeon_renderbuffer *rrb;
 	struct radeon_framebuffer *rfb;
 
 	assert(dPriv);
@@ -537,9 +532,6 @@ static GLboolean radeonPageFlip( __DRIdrawable *dPriv )
 
 	radeon = (radeonContextPtr) dPriv->driContextPriv->driverPrivate;
 	rfb = dPriv->driverPrivate;
-	rrb = (void *)rfb->base.Attachment[BUFFER_FRONT_LEFT].Renderbuffer;
-
-	psp = dPriv->driScreenPriv;
 
 	LOCK_HARDWARE(radeon);
 

src/mesa/drivers/dri/radeon/radeon_common_context.c

@@ -515,7 +515,6 @@ void radeon_prepare_render(radeonContextPtr radeon)
     __DRIcontext *driContext = radeon->dri.context;
     __DRIdrawable *drawable;
     __DRIscreen *screen;
-    struct radeon_framebuffer *draw;
 
     screen = driContext->driScreenPriv;
     if (!screen->dri2.loader)
@@ -527,7 +526,6 @@ void radeon_prepare_render(radeonContextPtr radeon)
 	    radeon_update_renderbuffers(driContext, drawable, GL_FALSE);
 
 	/* Intel driver does the equivalent of this, no clue if it is needed:*/
-	draw = drawable->driverPrivate;
 	radeon_draw_buffer(radeon->glCtx, radeon->glCtx->DrawBuffer);
 
 	driContext->dri2.draw_stamp = drawable->dri2.stamp;

src/mesa/drivers/dri/radeon/radeon_cs_legacy.c

@@ -218,11 +218,9 @@ static int cs_end(struct radeon_cs_int *cs,
 
 static int cs_process_relocs(struct radeon_cs_int *cs)
 {
-    struct cs_manager_legacy *csm = (struct cs_manager_legacy*)cs->csm;
     struct cs_reloc_legacy *relocs;
     int i, j, r;
 
-    csm = (struct cs_manager_legacy*)cs->csm;
     relocs = (struct cs_reloc_legacy *)cs->relocs;
 restart:
     for (i = 0; i < cs->crelocs; i++)