Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 6b88f295 authored by Jesse Barnes's avatar Jesse Barnes Committed by Daniel Vetter
Browse files

drm/i915/vlv: use parallel context restore when coming out of RC6 



Setting this bit restores all ring contexts in parallel rather than
serially.  Matches current BWG recommendations.

Tested-by: default avatar"Meng, Mengmeng" <mengmeng.meng@intel.com>
Signed-off-by: default avatarJesse Barnes <jbarnes@virtuousgeek.org>
Reviewed-by: default avatarDeepak S <deepak.s@inel.com>
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
parent 2f0aa304

drivers/gpu/drm/i915/i915_reg.h

+1 −0
Original line number Diff line number Diff line
@@ -4900,6 +4900,7 @@ 
#define   GEN6_RC_CTL_RC6_ENABLE		(1<<18)

#define   GEN6_RC_CTL_RC1e_ENABLE		(1<<20)

#define   GEN6_RC_CTL_RC7_ENABLE		(1<<22)

#define   VLV_RC_CTL_CTX_RST_PARALLEL		(1<<24)

#define   GEN7_RC_CTL_TO_MODE			(1<<28)

#define   GEN6_RC_CTL_EI_MODE(x)		((x)<<27)

#define   GEN6_RC_CTL_HW_ENABLE			(1<<31)

drivers/gpu/drm/i915/intel_pm.c

+1 −1
Original line number Diff line number Diff line
@@ -4118,7 +4118,7 @@ static void valleyview_enable_rps(struct drm_device *dev) 
				      VLV_MEDIA_RC6_COUNT_EN |

				      VLV_RENDER_RC6_COUNT_EN));

	if (intel_enable_rc6(dev) & INTEL_RC6_ENABLE)

		rc6_mode = GEN7_RC_CTL_TO_MODE;

		rc6_mode = GEN7_RC_CTL_TO_MODE | VLV_RC_CTL_CTX_RST_PARALLEL;



	intel_print_rc6_info(dev, rc6_mode);