drm/xe: Fix print of RING_EXECLIST_SQ_CONTENTS_HI

On xe_hw_engine_print_state we were printing:
value_of(0x510) + 4 instead of
value_of(0x514) as desired.

So, let's properly define a RING_EXECLIST_SQ_CONTENTS_HI
register to fix the issue and also to avoid other issues
like that.
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>

drivers/gpu/drm/xe/regs/xe_engine_regs.h

@@ -84,7 +84,8 @@
 						 RING_FORCE_TO_NONPRIV_DENY)
 #define   RING_MAX_NONPRIV_SLOTS  12
 
-#define RING_EXECLIST_SQ_CONTENTS(base)		_MMIO((base) + 0x510)
+#define RING_EXECLIST_SQ_CONTENTS_LO(base)	_MMIO((base) + 0x510)
+#define RING_EXECLIST_SQ_CONTENTS_HI(base)	_MMIO((base) + 0x510 + 4)
 
 #define RING_EXECLIST_CONTROL(base)		_MMIO((base) + 0x550)
 #define	  EL_CTRL_LOAD				REG_BIT(0)

drivers/gpu/drm/xe/xe_execlist.c

@@ -84,9 +84,9 @@ static void __start_lrc(struct xe_hw_engine *hwe, struct xe_lrc *lrc,
 	xe_mmio_write32(gt, RING_MODE_GEN7(hwe->mmio_base).reg,
 			_MASKED_BIT_ENABLE(GEN11_GFX_DISABLE_LEGACY_MODE));
 
-	xe_mmio_write32(gt, RING_EXECLIST_SQ_CONTENTS(hwe->mmio_base).reg + 0,
+	xe_mmio_write32(gt, RING_EXECLIST_SQ_CONTENTS_LO(hwe->mmio_base).reg,
 			lower_32_bits(lrc_desc));
-	xe_mmio_write32(gt, RING_EXECLIST_SQ_CONTENTS(hwe->mmio_base).reg + 4,
+	xe_mmio_write32(gt, RING_EXECLIST_SQ_CONTENTS_HI(hwe->mmio_base).reg,
 			upper_32_bits(lrc_desc));
 	xe_mmio_write32(gt, RING_EXECLIST_CONTROL(hwe->mmio_base).reg,
 			EL_CTRL_LOAD);

drivers/gpu/drm/xe/xe_hw_engine.c

@@ -528,10 +528,10 @@ void xe_hw_engine_print_state(struct xe_hw_engine *hwe, struct drm_printer *p)
 		hw_engine_mmio_read32(hwe, RING_EXECLIST_STATUS_HI(0).reg));
 	drm_printf(p, "\tRING_EXECLIST_SQ_CONTENTS_LO: 0x%08x\n",
 		hw_engine_mmio_read32(hwe,
-					 RING_EXECLIST_SQ_CONTENTS(0).reg));
+					 RING_EXECLIST_SQ_CONTENTS_LO(0).reg));
 	drm_printf(p, "\tRING_EXECLIST_SQ_CONTENTS_HI: 0x%08x\n",
 		hw_engine_mmio_read32(hwe,
-					 RING_EXECLIST_SQ_CONTENTS(0).reg) + 4);
+					 RING_EXECLIST_SQ_CONTENTS_HI(0).reg));
 	drm_printf(p, "\tRING_EXECLIST_CONTROL: 0x%08x\n",
 		hw_engine_mmio_read32(hwe, RING_EXECLIST_CONTROL(0).reg));