From: Chris Wilson chris@chris-wilson.co.uk
commit 273500ae71711c040d258a7b3f4b6f44c368fff2 upstream.
Allow batch buffers to read their own _local_ cumulative HW runtime of their logical context.
Fixes: 0f2f39758341 ("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@c... (cherry picked from commit f9496520df11de00fbafc3cbd693b9570d600ab3) Signed-off-by: Joonas Lahtinen joonas.lahtinen@linux.intel.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- drivers/gpu/drm/i915/i915_cmd_parser.c | 4 ++++ 1 file changed, 4 insertions(+)
--- a/drivers/gpu/drm/i915/i915_cmd_parser.c +++ b/drivers/gpu/drm/i915/i915_cmd_parser.c @@ -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_descrip 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),