drm/i915/psr: Configure PIPE_SRCSZ_ERLY_TPT for psr2 early transport

There is a new register used to configure selective update area size
for early transport.

Configure PIPE_SRCSZ_ERLY_TPT using calculated selective update area
carried in crtc_state->su_area.

Bspec: 68927
Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
Reviewed-by: Mika Kahola <mika.kahola@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231218175004.52875-6-jouni.hogander@intel.com

drivers/gpu/drm/i915/display/intel_display.c

@@ -104,6 +104,7 @@
 #include "intel_pmdemand.h"
 #include "intel_pps.h"
 #include "intel_psr.h"
+#include "intel_psr_regs.h"
 #include "intel_sdvo.h"
 #include "intel_snps_phy.h"
 #include "intel_tc.h"
@@ -2706,6 +2707,15 @@ static void intel_set_pipe_src_size(const struct intel_crtc_state *crtc_state)
 	 */
 	intel_de_write(dev_priv, PIPESRC(pipe),
 		       PIPESRC_WIDTH(width - 1) | PIPESRC_HEIGHT(height - 1));
+
+	if (!crtc_state->enable_psr2_su_region_et)
+		return;
+
+	width = drm_rect_width(&crtc_state->psr2_su_area);
+	height = drm_rect_height(&crtc_state->psr2_su_area);
+
+	intel_de_write(dev_priv, PIPE_SRCSZ_ERLY_TPT(pipe),
+		       PIPESRC_WIDTH(width - 1) | PIPESRC_HEIGHT(height - 1));
 }
 
 static bool intel_pipe_is_interlaced(const struct intel_crtc_state *crtc_state)

drivers/gpu/drm/i915/display/intel_psr_regs.h

@@ -245,6 +245,11 @@
 #define  ADLP_PSR2_MAN_TRK_CTL_SF_SINGLE_FULL_FRAME		REG_BIT(14)
 #define  ADLP_PSR2_MAN_TRK_CTL_SF_CONTINUOS_FULL_FRAME		REG_BIT(13)
 
+/* PSR2 Early transport */
+#define _PIPE_SRCSZ_ERLY_TPT_A	0x70074
+
+#define PIPE_SRCSZ_ERLY_TPT(trans)	_MMIO_TRANS2(trans, _PIPE_SRCSZ_ERLY_TPT_A)
+
 #define _SEL_FETCH_PLANE_BASE_1_A		0x70890
 #define _SEL_FETCH_PLANE_BASE_2_A		0x708B0
 #define _SEL_FETCH_PLANE_BASE_3_A		0x708D0