[PATCH v2 4/9] drm/i915/xe3lpd: Update bandwidth parameters for display version 30.02

[Dnyaneshwar Bhadane]

From: Matt Atwood <matthew.s.atwood at intel.com>

Bandwidth parameters for WCL have been updated with respect to
previous display releases. Encode them into xe3lpd_3002_sa_info and use
that new struct.

-v2: Resolve conflict on applying patche.

Bspec: 68859
Signed-off-by: Matt Atwood <matthew.s.atwood at intel.com>
Signed-off-by: Dnyaneshwar Bhadane <dnyaneshwar.bhadane at intel.com>
Reviewed-by: Matt Roper <matthew.d.roper at intel.com>
---
 drivers/gpu/drm/i915/display/intel_bw.c | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/display/intel_bw.c b/drivers/gpu/drm/i915/display/intel_bw.c
index 97aef729f7d4..6175081d41a8 100644
--- a/drivers/gpu/drm/i915/display/intel_bw.c
+++ b/drivers/gpu/drm/i915/display/intel_bw.c
@@ -418,6 +418,13 @@ static const struct intel_sa_info xe3lpd_sa_info = {
 	.derating = 10,
 };
 
+static const struct intel_sa_info xe3lpd_3002_sa_info = {
+	.deburst = 32,
+	.deprogbwlimit = 22, /* GB/s */
+	.displayrtids = 256,
+	.derating = 10,
+};
+
 static int icl_get_bw_info(struct intel_display *display,
 			   const struct dram_info *dram_info,
 			   const struct intel_sa_info *sa)
@@ -769,7 +776,9 @@ void intel_bw_init_hw(struct intel_display *display)
 	if (!HAS_DISPLAY(display))
 		return;
 
-	if (DISPLAY_VER(display) >= 30)
+	if (DISPLAY_VERx100(display) >= 3002)
+		tgl_get_bw_info(display, dram_info, &xe3lpd_3002_sa_info);
+	else if (DISPLAY_VER(display) >= 30)
 		tgl_get_bw_info(display, dram_info, &xe3lpd_sa_info);
 	else if (DISPLAY_VERx100(display) >= 1401 && display->platform.dgfx &&
 		 dram_info->type == INTEL_DRAM_GDDR_ECC)
-- 
2.34.1