Merge tag 'topic/core-stuff-2014-12-19' of git://anongit.freedesktop.…

…org/drm-intel into drm-next

Misc drm patches with mostly polish patches from Thierry, with a bit of
generic mode validation from Ville and a few other oddball things.

* tag 'topic/core-stuff-2014-12-19' of git://anongit.freedesktop.org/drm-intel: (25 commits)
  drm: Include drm_crtc_helper.h in DocBook
  drm: Make drm_crtc_helper.h standalone includible
  drm: Move IRQ related fields to proper section
  drm: Remove stale comment
  drm: Do basic sanity checks for user modes
  drm: Perform basic sanity checks on probed modes
  drm: Reorganize probed mode validation
  drm/doc: Remove duplicate "by"
  drm/info: Remove unused code
  drm/cache: Use wbinvd helpers
  drm/plane-helper: Test for plane disable earlier
  drm/doc: Document drm_add_modes_noedid() usage
  drm: bit of spell-check / editorializing.
  drm: Prefer sizeof(type) over sizeof type
  drm: Remove useless else block
  drm: Remove unneeded braces for single statement blocks
  drm: Do not assign in if condition
  drm: Prefer kmalloc_array() over kmalloc() with multiply
  drm: Prefer kcalloc() over kzalloc() with multiply
  drm: Miscellaneous checkpatch whitespace cleanups
  ...

Documentation/DocBook/drm.tmpl

@@ -1377,7 +1377,7 @@ int max_width, max_height;</synopsis>
       <itemizedlist>
         <listitem>
         DRM_PLANE_TYPE_PRIMARY represents a "main" plane for a CRTC.  Primary
-        planes are the planes operated upon by by CRTC modesetting and flipping
+        planes are the planes operated upon by CRTC modesetting and flipping
         operations described in <xref linkend="drm-kms-crtcops"/>.
         </listitem>
         <listitem>
@@ -2362,6 +2362,7 @@ void intel_crt_init(struct drm_device *dev)
     </sect2>
     <sect2>
       <title>Modeset Helper Functions Reference</title>
+!Iinclude/drm/drm_crtc_helper.h
 !Edrivers/gpu/drm/drm_crtc_helper.c
 !Pdrivers/gpu/drm/drm_crtc_helper.c overview
     </sect2>

drivers/gpu/drm/armada/armada_crtc.c

@@ -653,10 +653,6 @@ static int armada_drm_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y,
 	return 0;
 }
 
-static void armada_drm_crtc_load_lut(struct drm_crtc *crtc)
-{
-}
-
 /* The mode_config.mutex will be held for this call */
 static void armada_drm_crtc_disable(struct drm_crtc *crtc)
 {
@@ -678,7 +674,6 @@ static const struct drm_crtc_helper_funcs armada_crtc_helper_funcs = {
 	.mode_fixup	= armada_drm_crtc_mode_fixup,
 	.mode_set	= armada_drm_crtc_mode_set,
 	.mode_set_base	= armada_drm_crtc_mode_set_base,
-	.load_lut	= armada_drm_crtc_load_lut,
 	.disable	= armada_drm_crtc_disable,
 };
 

drivers/gpu/drm/bochs/bochs_kms.c

@@ -18,10 +18,6 @@ MODULE_PARM_DESC(defy, "default y resolution");
 
 /* ---------------------------------------------------------------------- */
 
-static void bochs_crtc_load_lut(struct drm_crtc *crtc)
-{
-}
-
 static void bochs_crtc_dpms(struct drm_crtc *crtc, int mode)
 {
 	switch (mode) {
@@ -144,7 +140,6 @@ static const struct drm_crtc_helper_funcs bochs_helper_funcs = {
 	.mode_set_base = bochs_crtc_mode_set_base,
 	.prepare = bochs_crtc_prepare,
 	.commit = bochs_crtc_commit,
-	.load_lut = bochs_crtc_load_lut,
 };
 
 static void bochs_crtc_init(struct drm_device *dev)

drivers/gpu/drm/drm_cache.c

@@ -32,6 +32,7 @@
 #include <drm/drmP.h>
 
 #if defined(CONFIG_X86)
+#include <asm/smp.h>
 
 /*
  * clflushopt is an unordered instruction which needs fencing with mfence or
@@ -64,12 +65,6 @@ static void drm_cache_flush_clflush(struct page *pages[],
 		drm_clflush_page(*pages++);
 	mb();
 }
-
-static void
-drm_clflush_ipi_handler(void *null)
-{
-	wbinvd();
-}
 #endif
 
 void
@@ -82,7 +77,7 @@ drm_clflush_pages(struct page *pages[], unsigned long num_pages)
 		return;
 	}
 
-	if (on_each_cpu(drm_clflush_ipi_handler, NULL, 1) != 0)
+	if (wbinvd_on_all_cpus())
 		printk(KERN_ERR "Timed out waiting for cache flush.\n");
 
 #elif defined(__powerpc__)
@@ -121,7 +116,7 @@ drm_clflush_sg(struct sg_table *st)
 		return;
 	}
 
-	if (on_each_cpu(drm_clflush_ipi_handler, NULL, 1) != 0)
+	if (wbinvd_on_all_cpus())
 		printk(KERN_ERR "Timed out waiting for cache flush.\n");
 #else
 	printk(KERN_ERR "Architecture has no drm_cache.c support\n");
@@ -144,7 +139,7 @@ drm_clflush_virt_range(void *addr, unsigned long length)
 		return;
 	}
 
-	if (on_each_cpu(drm_clflush_ipi_handler, NULL, 1) != 0)
+	if (wbinvd_on_all_cpus())
 		printk(KERN_ERR "Timed out waiting for cache flush.\n");
 #else
 	printk(KERN_ERR "Architecture has no drm_cache.c support\n");