[Intel-gfx] [PATCH 13/53] drm/i915/xehp: New engine context offsets

Matt Roper
2021-07-01T20:25:52Z

From: Prathap Kumar Valsan <prathap.kumar.valsan@intel.com>

The layout of some engine contexts has changed on Xe_HP. Define the new
offsets.

Bspec: 45585, 46256
Signed-off-by: Prathap Kumar Valsan <prathap.kumar.valsan@intel.com>
Signed-off-by: Ramalingam C <ramalingam.c@intel.com>
Signed-off-by: Venkata Ramana Nayana <venkata.ramana.nayana@intel.com>
Signed-off-by: Akeem G Abodunrin <akeem.g.abodunrin@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
---
drivers/gpu/drm/i915/gt/intel_lrc.c | 65 ++++++++++++++++++++++++++---
1 file changed, 59 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/i915/gt/intel_lrc.c b/drivers/gpu/drm/i915/gt/intel_lrc.c
index e1c80e2c06d8..fee735e2a524 100644
--- a/drivers/gpu/drm/i915/gt/intel_lrc.c
+++ b/drivers/gpu/drm/i915/gt/intel_lrc.c
@@ -484,6 +484,47 @@ static const u8 gen12_rcs_offsets[] = {
END
};

+static const u8 xehp_rcs_offsets[] = {
+ NOP(1),
+ LRI(13, POSTED),
+ REG16(0x244),
+ REG(0x034),
+ REG(0x030),
+ REG(0x038),
+ REG(0x03c),
+ REG(0x168),
+ REG(0x140),
+ REG(0x110),
+ REG(0x1c0),
+ REG(0x1c4),
+ REG(0x1c8),
+ REG(0x180),
+ REG16(0x2b4),
+
+ NOP(5),
+ LRI(9, POSTED),
+ REG16(0x3a8),
+ REG16(0x28c),
+ REG16(0x288),
+ REG16(0x284),
+ REG16(0x280),
+ REG16(0x27c),
+ REG16(0x278),
+ REG16(0x274),
+ REG16(0x270),
+
+ LRI(3, POSTED),
+ REG(0x1b0),
+ REG16(0x5a8),
+ REG16(0x5ac),
+
+ NOP(6),
+ LRI(1, 0),
+ REG(0x0c8),
+
+ END
+};
+
#undef END
#undef REG16
#undef REG
@@ -502,7 +543,9 @@ static const u8 *reg_offsets(const struct intel_engine_cs *engine)
!intel_engine_has_relative_mmio(engine));

if (engine->class == RENDER_CLASS) {
- if (GRAPHICS_VER(engine->i915) >= 12)
+ if (GRAPHICS_VER_FULL(engine->i915) >= IP_VER(12, 50))
+ return xehp_rcs_offsets;
+ else if (GRAPHICS_VER(engine->i915) >= 12)
return gen12_rcs_offsets;
else if (GRAPHICS_VER(engine->i915) >= 11)
return gen11_rcs_offsets;
@@ -522,7 +565,9 @@ static const u8 *reg_offsets(const struct intel_engine_cs *engine)

static int lrc_ring_mi_mode(const struct intel_engine_cs *engine)
{
- if (GRAPHICS_VER(engine->i915) >= 12)
+ if (GRAPHICS_VER_FULL(engine->i915) >= IP_VER(12, 50))
+ return 0x70;
+ else if (GRAPHICS_VER(engine->i915) >= 12)
return 0x60;
else if (GRAPHICS_VER(engine->i915) >= 9)
return 0x54;
@@ -534,7 +579,9 @@ static int lrc_ring_mi_mode(const struct intel_engine_cs *engine)

static int lrc_ring_gpr0(const struct intel_engine_cs *engine)
{
- if (GRAPHICS_VER(engine->i915) >= 12)
+ if (GRAPHICS_VER_FULL(engine->i915) >= IP_VER(12, 50))
+ return 0x84;
+ else if (GRAPHICS_VER(engine->i915) >= 12)
return 0x74;
else if (GRAPHICS_VER(engine->i915) >= 9)
return 0x68;
@@ -578,10 +625,16 @@ static int lrc_ring_indirect_offset(const struct intel_engine_cs *engine)

static int lrc_ring_cmd_buf_cctl(const struct intel_engine_cs *engine)
{
- if (engine->class != RENDER_CLASS)
- return -1;

- if (GRAPHICS_VER(engine->i915) >= 12)
+ if (GRAPHICS_VER_FULL(engine->i915) >= IP_VER(12, 50))
+ /*
+ * Note that the CSFE context has a dummy slot for CMD_BUF_CCTL
+ * simply to match the RCS context image layout.
+ */
+ return 0xc6;
+ else if (engine->class != RENDER_CLASS)
+ return -1;
+ else if (GRAPHICS_VER(engine->i915) >= 12)
return 0xb6;
else if (GRAPHICS_VER(engine->i915) >= 11)
return 0xaa;