korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-12-01 16:14:13 +08:00
Code Issues Packages Projects Releases Wiki Activity

drm/i915/gsc: add GSC XeHP SDV platform definition

Browse Source 
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>
Reviewed-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220907215113.1596567-6-tomas.winkler@intel.com
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
This commit is contained in:
Alexander Usyskin 2022-09-08 00:51:02 +03:00 committed by Joonas Lahtinen
parent d67287769e
commit 2d427248aa
1 changed files with 15 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
drivers/gpu/drm/i915/gt/intel_gsc.c
View File

@ -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_firmware = 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 {