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

Matt Roper matthew.d.roper at intel.com
Thu Jul 1 20:23:47 UTC 2021


From: Prathap Kumar Valsan <prathap.kumar.valsan at 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 at intel.com>
Signed-off-by: Ramalingam C <ramalingam.c at intel.com>
Signed-off-by: Venkata Ramana Nayana <venkata.ramana.nayana at intel.com>
Signed-off-by: Akeem G Abodunrin <akeem.g.abodunrin at intel.com>
Signed-off-by: Matt Roper <matthew.d.roper at 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;
-- 
2.25.4



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