drm/i915/gvt: use proper i915_reg_t for calc_index() parameters

In order to be able to use the proper register macros instead of the
underscore prefixed ones, pass i915_reg_t for the calc_index()
parameters.

Side note: DSPSURF is really about planes, not pipes. Fixed stride
doesn't work for plane C for CHV (but that's okay for gvt). This doesn't
support planes beyond C either. But all that is unrelated to the change
at hand.

Cc: Zhenyu Wang <zhenyuw@linux.intel.com>
Cc: Zhi Wang <zhi.wang.linux@gmail.com>
Cc: intel-gvt-dev@lists.freedesktop.org
Reviewed-by: Zhi Wang <zhiwang@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/282b19c44d83c96b52c261cfc7218e7e54076cba.1717773890.git.jani.nikula@intel.comSigned-off-by: Jani Nikula <jani.nikula@intel.com>

drivers/gpu/drm/i915/gvt/handlers.c

@@ -880,9 +880,11 @@ static int check_fdi_rx_train_status(struct intel_vgpu *vgpu,
 
 #define INVALID_INDEX (~0U)
 
-static unsigned int calc_index(unsigned int offset, unsigned int start,
-			       unsigned int next, i915_reg_t _end)
+static unsigned int calc_index(unsigned int offset, i915_reg_t _start,
+			       i915_reg_t _next, i915_reg_t _end)
 {
+	u32 start = i915_mmio_reg_offset(_start);
+	u32 next = i915_mmio_reg_offset(_next);
 	u32 end = i915_mmio_reg_offset(_end);
 	unsigned int range = next - start;
 
@@ -893,13 +895,13 @@ static unsigned int calc_index(unsigned int offset, unsigned int start,
 }
 
 #define FDI_RX_CTL_TO_PIPE(offset) \
-	calc_index(offset, _FDI_RXA_CTL, _FDI_RXB_CTL, FDI_RX_CTL(PIPE_C))
+	calc_index(offset, FDI_RX_CTL(PIPE_A), FDI_RX_CTL(PIPE_B), FDI_RX_CTL(PIPE_C))
 
 #define FDI_TX_CTL_TO_PIPE(offset) \
-	calc_index(offset, _FDI_TXA_CTL, _FDI_TXB_CTL, FDI_TX_CTL(PIPE_C))
+	calc_index(offset, FDI_TX_CTL(PIPE_A), FDI_TX_CTL(PIPE_B), FDI_TX_CTL(PIPE_C))
 
 #define FDI_RX_IMR_TO_PIPE(offset) \
-	calc_index(offset, _FDI_RXA_IMR, _FDI_RXB_IMR, FDI_RX_IMR(PIPE_C))
+	calc_index(offset, FDI_RX_IMR(PIPE_A), FDI_RX_IMR(PIPE_B), FDI_RX_IMR(PIPE_C))
 
 static int update_fdi_rx_iir_status(struct intel_vgpu *vgpu,
 		unsigned int offset, void *p_data, unsigned int bytes)
@@ -943,7 +945,7 @@ static int update_fdi_rx_iir_status(struct intel_vgpu *vgpu,
 }
 
 #define DP_TP_CTL_TO_PORT(offset) \
-	calc_index(offset, _DP_TP_CTL_A, _DP_TP_CTL_B, DP_TP_CTL(PORT_E))
+	calc_index(offset, DP_TP_CTL(PORT_A), DP_TP_CTL(PORT_B), DP_TP_CTL(PORT_E))
 
 static int dp_tp_ctl_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
 		void *p_data, unsigned int bytes)
@@ -1007,7 +1009,7 @@ static int south_chicken2_mmio_write(struct intel_vgpu *vgpu,
 }
 
 #define DSPSURF_TO_PIPE(offset) \
-	calc_index(offset, _DSPASURF, _DSPBSURF, DSPSURF(dev_priv, PIPE_C))
+	calc_index(offset, DSPSURF(dev_priv, PIPE_A), DSPSURF(dev_priv, PIPE_B), DSPSURF(dev_priv, PIPE_C))
 
 static int pri_surf_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
 		void *p_data, unsigned int bytes)
@@ -1030,7 +1032,7 @@ static int pri_surf_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
 }
 
 #define SPRSURF_TO_PIPE(offset) \
-	calc_index(offset, _SPRA_SURF, _SPRB_SURF, SPRSURF(PIPE_C))
+	calc_index(offset, SPRSURF(PIPE_A), SPRSURF(PIPE_B), SPRSURF(PIPE_C))
 
 static int spr_surf_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
 		void *p_data, unsigned int bytes)