drm/i915: Use parameterized GPR register definitions everywhere

Since we have an engine-parameterized macro GEN8_RING_CS_GPR, let's use
that in place of the HSW_CS_GPR and BCS_GPR register definitions.

Cc: Jani Nikula <jani.nikula@linux.intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220111051600.3429104-2-matthew.d.roper@intel.com

drivers/gpu/drm/i915/i915_cmd_parser.c

@@ -592,6 +592,10 @@ struct drm_i915_reg_descriptor {
 	{ .addr = _reg(idx) }, \
 	{ .addr = _reg ## _UDW(idx) }
 
+#define REG64_BASE_IDX(_reg, base, idx) \
+	{ .addr = _reg(base, idx) }, \
+	{ .addr = _reg ## _UDW(base, idx) }
+
 static const struct drm_i915_reg_descriptor gen7_render_regs[] = {
 	REG64(GPGPU_THREADS_DISPATCHED),
 	REG64(HS_INVOCATION_COUNT),
@@ -637,22 +641,22 @@ static const struct drm_i915_reg_descriptor gen7_render_regs[] = {
 };
 
 static const struct drm_i915_reg_descriptor hsw_render_regs[] = {
-	REG64_IDX(HSW_CS_GPR, 0),
-	REG64_IDX(HSW_CS_GPR, 1),
-	REG64_IDX(HSW_CS_GPR, 2),
-	REG64_IDX(HSW_CS_GPR, 3),
-	REG64_IDX(HSW_CS_GPR, 4),
-	REG64_IDX(HSW_CS_GPR, 5),
-	REG64_IDX(HSW_CS_GPR, 6),
-	REG64_IDX(HSW_CS_GPR, 7),
-	REG64_IDX(HSW_CS_GPR, 8),
-	REG64_IDX(HSW_CS_GPR, 9),
-	REG64_IDX(HSW_CS_GPR, 10),
-	REG64_IDX(HSW_CS_GPR, 11),
-	REG64_IDX(HSW_CS_GPR, 12),
-	REG64_IDX(HSW_CS_GPR, 13),
-	REG64_IDX(HSW_CS_GPR, 14),
-	REG64_IDX(HSW_CS_GPR, 15),
+	REG64_BASE_IDX(GEN8_RING_CS_GPR, RENDER_RING_BASE, 0),
+	REG64_BASE_IDX(GEN8_RING_CS_GPR, RENDER_RING_BASE, 1),
+	REG64_BASE_IDX(GEN8_RING_CS_GPR, RENDER_RING_BASE, 2),
+	REG64_BASE_IDX(GEN8_RING_CS_GPR, RENDER_RING_BASE, 3),
+	REG64_BASE_IDX(GEN8_RING_CS_GPR, RENDER_RING_BASE, 4),
+	REG64_BASE_IDX(GEN8_RING_CS_GPR, RENDER_RING_BASE, 5),
+	REG64_BASE_IDX(GEN8_RING_CS_GPR, RENDER_RING_BASE, 6),
+	REG64_BASE_IDX(GEN8_RING_CS_GPR, RENDER_RING_BASE, 7),
+	REG64_BASE_IDX(GEN8_RING_CS_GPR, RENDER_RING_BASE, 8),
+	REG64_BASE_IDX(GEN8_RING_CS_GPR, RENDER_RING_BASE, 9),
+	REG64_BASE_IDX(GEN8_RING_CS_GPR, RENDER_RING_BASE, 10),
+	REG64_BASE_IDX(GEN8_RING_CS_GPR, RENDER_RING_BASE, 11),
+	REG64_BASE_IDX(GEN8_RING_CS_GPR, RENDER_RING_BASE, 12),
+	REG64_BASE_IDX(GEN8_RING_CS_GPR, RENDER_RING_BASE, 13),
+	REG64_BASE_IDX(GEN8_RING_CS_GPR, RENDER_RING_BASE, 14),
+	REG64_BASE_IDX(GEN8_RING_CS_GPR, RENDER_RING_BASE, 15),
 	REG32(HSW_SCRATCH1,
 	      .mask = ~HSW_SCRATCH1_L3_DATA_ATOMICS_DISABLE,
 	      .value = 0),
@@ -675,22 +679,22 @@ static const struct drm_i915_reg_descriptor gen9_blt_regs[] = {
 	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),
-	REG64_IDX(BCS_GPR, 3),
-	REG64_IDX(BCS_GPR, 4),
-	REG64_IDX(BCS_GPR, 5),
-	REG64_IDX(BCS_GPR, 6),
-	REG64_IDX(BCS_GPR, 7),
-	REG64_IDX(BCS_GPR, 8),
-	REG64_IDX(BCS_GPR, 9),
-	REG64_IDX(BCS_GPR, 10),
-	REG64_IDX(BCS_GPR, 11),
-	REG64_IDX(BCS_GPR, 12),
-	REG64_IDX(BCS_GPR, 13),
-	REG64_IDX(BCS_GPR, 14),
-	REG64_IDX(BCS_GPR, 15),
+	REG64_BASE_IDX(GEN8_RING_CS_GPR, BLT_RING_BASE, 0),
+	REG64_BASE_IDX(GEN8_RING_CS_GPR, BLT_RING_BASE, 1),
+	REG64_BASE_IDX(GEN8_RING_CS_GPR, BLT_RING_BASE, 2),
+	REG64_BASE_IDX(GEN8_RING_CS_GPR, BLT_RING_BASE, 3),
+	REG64_BASE_IDX(GEN8_RING_CS_GPR, BLT_RING_BASE, 4),
+	REG64_BASE_IDX(GEN8_RING_CS_GPR, BLT_RING_BASE, 5),
+	REG64_BASE_IDX(GEN8_RING_CS_GPR, BLT_RING_BASE, 6),
+	REG64_BASE_IDX(GEN8_RING_CS_GPR, BLT_RING_BASE, 7),
+	REG64_BASE_IDX(GEN8_RING_CS_GPR, BLT_RING_BASE, 8),
+	REG64_BASE_IDX(GEN8_RING_CS_GPR, BLT_RING_BASE, 9),
+	REG64_BASE_IDX(GEN8_RING_CS_GPR, BLT_RING_BASE, 10),
+	REG64_BASE_IDX(GEN8_RING_CS_GPR, BLT_RING_BASE, 11),
+	REG64_BASE_IDX(GEN8_RING_CS_GPR, BLT_RING_BASE, 12),
+	REG64_BASE_IDX(GEN8_RING_CS_GPR, BLT_RING_BASE, 13),
+	REG64_BASE_IDX(GEN8_RING_CS_GPR, BLT_RING_BASE, 14),
+	REG64_BASE_IDX(GEN8_RING_CS_GPR, BLT_RING_BASE, 15),
 };
 
 #undef REG64

drivers/gpu/drm/i915/i915_reg.h

@@ -509,10 +509,6 @@ static inline bool i915_mmio_reg_valid(i915_reg_t reg)
 #define   BCS_SRC_Y REG_BIT(0)
 #define   BCS_DST_Y REG_BIT(1)
 
-/* There are 16 GPR registers */
-#define BCS_GPR(n)	_MMIO(0x22600 + (n) * 8)
-#define BCS_GPR_UDW(n)	_MMIO(0x22600 + (n) * 8 + 4)
-
 #define GPGPU_THREADS_DISPATCHED        _MMIO(0x2290)
 #define GPGPU_THREADS_DISPATCHED_UDW	_MMIO(0x2290 + 4)
 #define HS_INVOCATION_COUNT             _MMIO(0x2300)
@@ -556,10 +552,6 @@ static inline bool i915_mmio_reg_valid(i915_reg_t reg)
 #define GEN7_GPGPU_DISPATCHDIMY         _MMIO(0x2504)
 #define GEN7_GPGPU_DISPATCHDIMZ         _MMIO(0x2508)
 
-/* There are the 16 64-bit CS General Purpose Registers */
-#define HSW_CS_GPR(n)                   _MMIO(0x2600 + (n) * 8)
-#define HSW_CS_GPR_UDW(n)               _MMIO(0x2600 + (n) * 8 + 4)
-
 #define GEN7_OACONTROL _MMIO(0x2360)
 #define  GEN7_OACONTROL_CTX_MASK	    0xFFFFF000
 #define  GEN7_OACONTROL_TIMER_PERIOD_MASK   0x3F