Commit 273500ae authored Jun 01, 2020 by Chris Wilson Committed by Joonas Lahtinen Jun 02, 2020

drm/i915: Whitelist context-local timestamp in the gen9 cmdparser



Allow batch buffers to read their own _local_ cumulative HW runtime of
their logical context.

Fixes: 0f2f3975 ("drm/i915: Add gen9 BCS cmdparsing")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Cc: <stable@vger.kernel.org> # v5.4+
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200601161942.30854-1-chris@chris-wilson.co.uk


(cherry picked from commit f9496520)
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>

parent 882f38b7

drivers/gpu/drm/i915/i915_cmd_parser.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -572,6 +572,9 @@ struct drm_i915_reg_descriptor {
		#define REG32(_reg, ...) \
		{ .addr = (_reg), __VA_ARGS__ }

		#define REG32_IDX(_reg, idx) \
		{ .addr = _reg(idx) }

		/*
		* Convenience macro for adding 64-bit registers.
		*
		@@ -669,6 +672,7 @@ static const struct drm_i915_reg_descriptor gen9_blt_regs[] = {
		REG64_IDX(RING_TIMESTAMP, BSD_RING_BASE),
		REG32(BCS_SWCTRL),
		REG64_IDX(RING_TIMESTAMP, BLT_RING_BASE),
		REG32_IDX(RING_CTX_TIMESTAMP, BLT_RING_BASE),
		REG64_IDX(BCS_GPR, 0),
		REG64_IDX(BCS_GPR, 1),
		REG64_IDX(BCS_GPR, 2),

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