summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/i915
diff options
context:
space:
mode:
authorChris Wilson <chris@chris-wilson.co.uk>2020-06-01 19:19:42 +0300
committerSasha Levin <sashal@kernel.org>2020-06-30 22:38:32 +0300
commit5dfd73f2562bfd5ed2998958a3419c4920ebc120 (patch)
treedde6dc6ef8267de444e6979df0cfc18b67a263f4 /drivers/gpu/drm/i915
parent11c46697a83a3d5ceb827bd68cfc1b682deac11b (diff)
downloadlinux-5dfd73f2562bfd5ed2998958a3419c4920ebc120.tar.xz
drm/i915: Whitelist context-local timestamp in the gen9 cmdparser
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@chris-wilson.co.uk (cherry picked from commit f9496520df11de00fbafc3cbd693b9570d600ab3) Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/gpu/drm/i915')
-rw-r--r--drivers/gpu/drm/i915/i915_cmd_parser.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_cmd_parser.c b/drivers/gpu/drm/i915/i915_cmd_parser.c
index 1e104518192d..8a98442d494b 100644
--- a/drivers/gpu/drm/i915/i915_cmd_parser.c
+++ b/drivers/gpu/drm/i915/i915_cmd_parser.c
@@ -570,6 +570,9 @@ 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.
*
@@ -667,6 +670,7 @@ 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),