From: Dave Airlie <airlied@redhat.com>
Date: Wed, 6 Oct 2010 02:57:54 +0000 (+1000)
Subject: Merge branch 'drm-radeon-next' of ../drm-radeon-next into drm-core-next
X-Git-Url: https://git.karo-electronics.de/?p=mv-sheeva.git;a=commitdiff_plain;h=26bf62e47261142d528a6109fdd671a2e280b4ea

Merge branch 'drm-radeon-next' of ../drm-radeon-next into drm-core-next

* 'drm-radeon-next' of ../drm-radeon-next:
  drm/radeon/kms: add drm blit support for evergreen
  drm/radeon: Modify radeon_pm_in_vbl to use radeon_get_crtc_scanoutpos()
  drm/radeon: Add function for display scanout position query.
  drm/radeon/kms: rework spread spectrum handling
  drm/radeon/kms: remove new pll algo
  drm/radeon/kms: remove some pll algo flags
  drm/radeon/kms: prefer high post dividers in legacy pll algo
  drm/radeon/kms: properly handle 40 bit MC addresses in the cursor code
  drm/radeon: add properties to configure the width of the underscan borders
  drm/radeon/kms/r6xx+: use new style fencing (v3)
  drm/radeon/kms: enable writeback (v2)
  drm/radeon/kms: clean up r6xx/r7xx blit init (v2)
---

26bf62e47261142d528a6109fdd671a2e280b4ea
diff --cc drivers/gpu/drm/radeon/atombios_crtc.c
index 501e5286ec3,7238f3f54aa..037e3260cb7
--- a/drivers/gpu/drm/radeon/atombios_crtc.c
+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
@@@ -852,11 -911,29 +911,30 @@@ static void atombios_crtc_set_pll(struc
  				  encoder_mode, radeon_encoder->encoder_id, mode->clock,
  				  ref_div, fb_div, frac_fb_div, post_div);
  
+ 	if (ss_enabled) {
+ 		/* calculate ss amount and step size */
+ 		if (ASIC_IS_DCE4(rdev)) {
+ 			u32 step_size;
+ 			u32 amount = (((fb_div * 10) + frac_fb_div) * ss.percentage) / 10000;
+ 			ss.amount = (amount / 10) & ATOM_PPLL_SS_AMOUNT_V2_FBDIV_MASK;
+ 			ss.amount |= ((amount - (ss.amount * 10)) << ATOM_PPLL_SS_AMOUNT_V2_NFRAC_SHIFT) &
+ 				ATOM_PPLL_SS_AMOUNT_V2_NFRAC_MASK;
+ 			if (ss.type & ATOM_PPLL_SS_TYPE_V2_CENTRE_SPREAD)
+ 				step_size = (4 * amount * ref_div * (ss.rate * 2048)) /
+ 					(125 * 25 * pll->reference_freq / 100);
+ 			else
+ 				step_size = (2 * amount * ref_div * (ss.rate * 2048)) /
+ 					(125 * 25 * pll->reference_freq / 100);
+ 			ss.step = step_size;
+ 		}
+ 
+ 		atombios_crtc_program_ss(crtc, ATOM_ENABLE, radeon_crtc->pll_id, &ss);
+ 	}
  }
  
 -static int evergreen_crtc_set_base(struct drm_crtc *crtc, int x, int y,
 -				   struct drm_framebuffer *old_fb)
 +static int evergreen_crtc_do_set_base(struct drm_crtc *crtc,
 +				      struct drm_framebuffer *fb,
 +				      int x, int y, int atomic)
  {
  	struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
  	struct drm_device *dev = crtc->dev;