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Commit 8897644a authored by Ben Widawsky's avatar Ben Widawsky Committed by Daniel Vetter
Browse files

drm/i915/bdw: HW context support 



BDW context sizes varies a bit.

v2: Squash in fixup for the hw context size from Ben.

Signed-off-by: Ben Widawsky <ben@bwidawsk.net> (v1)
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
parent 31a5336e

drivers/gpu/drm/i915/i915_gem_context.c

+3 −0
Original line number Diff line number Diff line
@@ -117,6 +117,9 @@ static int get_context_size(struct drm_device *dev) 
		else

			ret = GEN7_CXT_TOTAL_SIZE(reg) * 64;

		break;

	case 8:

		ret = GEN8_CXT_TOTAL_SIZE;

		break;

	default:

		BUG();

	}

drivers/gpu/drm/i915/i915_reg.h

+3 −0
Original line number Diff line number Diff line
@@ -1822,6 +1822,9 @@ 
 * on HSW) - so the final size is 66944 bytes, which rounds to 17 pages.

 */

#define HSW_CXT_TOTAL_SIZE		(17 * PAGE_SIZE)

/* Same as Haswell, but 72064 bytes now. */

#define GEN8_CXT_TOTAL_SIZE		(18 * PAGE_SIZE)





#define VLV_CLK_CTL2			0x101104

#define   CLK_CTL2_CZCOUNT_30NS_SHIFT	28