[PATCH 2/2] drm/i915: Constify load detect mode

[ville.syrjala at linux.intel.com]

From: Ville Syrjälä <ville.syrjala at linux.intel.com>

Make the mode used for load detection const, and adjust all relevant
functions to accept a const mode.

Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
---
 drivers/gpu/drm/i915/intel_display.c | 12 ++++++------
 drivers/gpu/drm/i915/intel_drv.h     |  2 +-
 2 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 8217ed0e7132..6c08a7d6a0de 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -9538,7 +9538,7 @@ static void i9xx_disable_cursor(struct intel_plane *plane,
 
 
 /* VESA 640x480x72Hz mode to set on the pipe */
-static struct drm_display_mode load_detect_mode = {
+static const struct drm_display_mode load_detect_mode = {
 	DRM_MODE("640x480", DRM_MODE_TYPE_DEFAULT, 31500, 640, 664,
 		 704, 832, 0, 480, 489, 491, 520, 0, DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
 };
@@ -9573,7 +9573,7 @@ intel_framebuffer_pitch_for_width(int width, int bpp)
 }
 
 static u32
-intel_framebuffer_size_for_mode(struct drm_display_mode *mode, int bpp)
+intel_framebuffer_size_for_mode(const struct drm_display_mode *mode, int bpp)
 {
 	u32 pitch = intel_framebuffer_pitch_for_width(mode->hdisplay, bpp);
 	return PAGE_ALIGN(pitch * mode->vdisplay);
@@ -9581,7 +9581,7 @@ intel_framebuffer_size_for_mode(struct drm_display_mode *mode, int bpp)
 
 static struct drm_framebuffer *
 intel_framebuffer_create_for_mode(struct drm_device *dev,
-				  struct drm_display_mode *mode,
+				  const struct drm_display_mode *mode,
 				  int depth, int bpp)
 {
 	struct drm_framebuffer *fb;
@@ -9608,7 +9608,7 @@ intel_framebuffer_create_for_mode(struct drm_device *dev,
 
 static struct drm_framebuffer *
 mode_fits_in_fbdev(struct drm_device *dev,
-		   struct drm_display_mode *mode)
+		   const struct drm_display_mode *mode)
 {
 #ifdef CONFIG_DRM_FBDEV_EMULATION
 	struct drm_i915_private *dev_priv = to_i915(dev);
@@ -9641,7 +9641,7 @@ mode_fits_in_fbdev(struct drm_device *dev,
 
 static int intel_modeset_setup_plane_state(struct drm_atomic_state *state,
 					   struct drm_crtc *crtc,
-					   struct drm_display_mode *mode,
+					   const struct drm_display_mode *mode,
 					   struct drm_framebuffer *fb,
 					   int x, int y)
 {
@@ -9675,7 +9675,7 @@ static int intel_modeset_setup_plane_state(struct drm_atomic_state *state,
 }
 
 int intel_get_load_detect_pipe(struct drm_connector *connector,
-			       struct drm_display_mode *mode,
+			       const struct drm_display_mode *mode,
 			       struct intel_load_detect_pipe *old,
 			       struct drm_modeset_acquire_ctx *ctx)
 {
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index bd500977b3fc..d2aa92fa7ec4 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -1398,7 +1398,7 @@ void vlv_wait_port_ready(struct drm_i915_private *dev_priv,
 			 struct intel_digital_port *dport,
 			 unsigned int expected_mask);
 int intel_get_load_detect_pipe(struct drm_connector *connector,
-			       struct drm_display_mode *mode,
+			       const struct drm_display_mode *mode,
 			       struct intel_load_detect_pipe *old,
 			       struct drm_modeset_acquire_ctx *ctx);
 void intel_release_load_detect_pipe(struct drm_connector *connector,
-- 
2.10.2