diff mbox series

[v5,04/14] drm/i915/gsc: add GSC XeHP SDV platform definition

Message ID 20220706114345.1128018-5-alexander.usyskin@intel.com (mailing list archive)
State New, archived
Headers show
Series GSC support for XeHP SDV and DG2 platforms | expand

Commit Message

Alexander Usyskin July 6, 2022, 11:43 a.m. UTC 
Define GSC on XeHP SDV (Intel(R) dGPU without display)

XeHP SDV uses the same hardware settings as DG1, but uses polling
instead of interrupts and runs the firmware in slow pace due to
hardware limitations.

Signed-off-by: Vitaly Lubart <vitaly.lubart@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
---
 drivers/gpu/drm/i915/gt/intel_gsc.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
diff mbox series

Patch

diff --git a/drivers/gpu/drm/i915/gt/intel_gsc.c b/drivers/gpu/drm/i915/gt/intel_gsc.c
index f963c220bbff..bfc307e49bf9 100644
--- a/drivers/gpu/drm/i915/gt/intel_gsc.c
+++ b/drivers/gpu/drm/i915/gt/intel_gsc.c
@@ -56,6 +56,19 @@  static const struct gsc_def gsc_def_dg1[] = {
 	}
 };
 
+static const struct gsc_def gsc_def_xehpsdv[] = {
+	{
+		/* HECI1 not enabled on the device. */
+	},
+	{
+		.name = "mei-gscfi",
+		.bar = DG1_GSC_HECI2_BASE,
+		.bar_size = GSC_BAR_LENGTH,
+		.use_polling = true,
+		.slow_fw = true,
+	}
+};
+
 static const struct gsc_def gsc_def_dg2[] = {
 	{
 		.name = "mei-gsc",
@@ -107,6 +120,8 @@  static void gsc_init_one(struct drm_i915_private *i915,
 
 	if (IS_DG1(i915)) {
 		def = &gsc_def_dg1[intf_id];
+	} else if (IS_XEHPSDV(i915)) {
+		def = &gsc_def_xehpsdv[intf_id];
 	} else if (IS_DG2(i915)) {
 		def = &gsc_def_dg2[intf_id];
 	} else {