From: Dave Airlie <airlied@redhat.com>
Date: Mon, 9 Mar 2015 09:58:30 +0000 (+1000)
Subject: Merge tag 'v4.0-rc3' into drm-next
X-Git-Tag: v4.1~277^2~32
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=a8c6ecb3be7029881f7c95e5e201a629094a4e1a;p=platform%2Fkernel%2Flinux-amlogic.git

Merge tag 'v4.0-rc3' into drm-next

Linux 4.0-rc3 backmerge to fix two i915 conflicts, and get
some mainline bug fixes needed for my testing box

Conflicts:
	drivers/gpu/drm/i915/i915_drv.h
	drivers/gpu/drm/i915/intel_display.c
---

a8c6ecb3be7029881f7c95e5e201a629094a4e1a
diff --cc drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c
index b81cea6,b3e3068..d55c0c2
--- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c
+++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c
@@@ -85,10 -153,10 +85,10 @@@ static void atmel_hlcdc_crtc_mode_set_n
  		     (adj->crtc_hdisplay - 1) |
  		     ((adj->crtc_vdisplay - 1) << 16));
  
- 	cfg = ATMEL_HLCDC_CLKPOL;
+ 	cfg = 0;
  
  	prate = clk_get_rate(crtc->dc->hlcdc->sys_clk);
 -	mode_rate = mode->crtc_clock * 1000;
 +	mode_rate = adj->crtc_clock * 1000;
  	if ((prate / 2) < mode_rate) {
  		prate *= 2;
  		cfg |= ATMEL_HLCDC_CLKSEL;
diff --cc drivers/gpu/drm/i915/i915_drv.h
index 2903090,8727086..ee5bc43
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@@ -2027,9 -2140,17 +2030,18 @@@ struct drm_i915_gem_request 
  	/** Position in the ringbuffer of the end of the whole request */
  	u32 tail;
  
- 	/** Context and ring buffer related to this request */
+ 	/**
 -	 * Context related to this request
++	 * Context and ring buffer related to this request
+ 	 * Contexts are refcounted, so when this request is associated with a
+ 	 * context, we must increment the context's refcount, to guarantee that
+ 	 * it persists while any request is linked to it. Requests themselves
+ 	 * are also refcounted, so the request will only be freed when the last
+ 	 * reference to it is dismissed, and the code in
+ 	 * i915_gem_request_free() will then decrement the refcount on the
+ 	 * context.
+ 	 */
  	struct intel_context *ctx;
 +	struct intel_ringbuffer *ringbuf;
  
  	/** Batch buffer related to this request if any */
  	struct drm_i915_gem_object *batch_obj;
diff --cc drivers/gpu/drm/i915/intel_display.c
index dbd8179,e730789..31f3b11
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@@ -2415,8 -2371,11 +2415,12 @@@ intel_alloc_plane_obj(struct intel_crt
  	struct drm_device *dev = crtc->base.dev;
  	struct drm_i915_gem_object *obj = NULL;
  	struct drm_mode_fb_cmd2 mode_cmd = { 0 };
 +	struct drm_framebuffer *fb = &plane_config->fb->base;
- 	u32 base = plane_config->base;
+ 	u32 base_aligned = round_down(plane_config->base, PAGE_SIZE);
+ 	u32 size_aligned = round_up(plane_config->base + plane_config->size,
+ 				    PAGE_SIZE);
+ 
+ 	size_aligned -= base_aligned;
  
  	if (plane_config->size == 0)
  		return false;
@@@ -6752,10 -6640,9 +6767,10 @@@ i9xx_get_initial_plane_config(struct in
  	fb->pitches[0] = val & 0xffffffc0;
  
  	aligned_height = intel_fb_align_height(dev, fb->height,
 -					       plane_config->tiling);
 +					       fb->pixel_format,
 +					       fb->modifier[0]);
  
- 	plane_config->size = PAGE_ALIGN(fb->pitches[0] * aligned_height);
+ 	plane_config->size = fb->pitches[0] * aligned_height;
  
  	DRM_DEBUG_KMS("pipe/plane %c/%d with fb: size=%dx%d@%d, offset=%x, pitch %d, size 0x%x\n",
  		      pipe_name(pipe), plane, fb->width, fb->height,
@@@ -7801,10 -7677,9 +7816,10 @@@ skylake_get_initial_plane_config(struc
  	fb->pitches[0] = (val & 0x3ff) * stride_mult;
  
  	aligned_height = intel_fb_align_height(dev, fb->height,
 -					       plane_config->tiling);
 +					       fb->pixel_format,
 +					       fb->modifier[0]);
  
- 	plane_config->size = ALIGN(fb->pitches[0] * aligned_height, PAGE_SIZE);
+ 	plane_config->size = fb->pitches[0] * aligned_height;
  
  	DRM_DEBUG_KMS("pipe %c with fb: size=%dx%d@%d, offset=%x, pitch %d, size 0x%x\n",
  		      pipe_name(pipe), fb->width, fb->height,
@@@ -7898,10 -7768,9 +7913,10 @@@ ironlake_get_initial_plane_config(struc
  	fb->pitches[0] = val & 0xffffffc0;
  
  	aligned_height = intel_fb_align_height(dev, fb->height,
 -					       plane_config->tiling);
 +					       fb->pixel_format,
 +					       fb->modifier[0]);
  
- 	plane_config->size = PAGE_ALIGN(fb->pitches[0] * aligned_height);
+ 	plane_config->size = fb->pitches[0] * aligned_height;
  
  	DRM_DEBUG_KMS("pipe %c with fb: size=%dx%d@%d, offset=%x, pitch %d, size 0x%x\n",
  		      pipe_name(pipe), fb->width, fb->height,