From: Tim Guttzeit <t.guttz...@tuxedocomputers.com>
Removes all display modes with more than 240 Hz for the integrated display
on a TUXEDO Stellaris 16 Gen7, because using the iGPU with higer refresh
rates causes screen flicker.
Signed-off-by: Tim Guttzeit <t.guttz...@tuxedocomputers.com>
Co-developed-by: Werner Sembach <w...@tuxedocomputers.com>
Signed-off-by: Werner Sembach <w...@tuxedocomputers.com>
---
drivers/gpu/drm/i915/display/intel_dp.c | 5 ++++
drivers/gpu/drm/i915/display/intel_quirks.c | 30 +++++++++++++++++++++
drivers/gpu/drm/i915/display/intel_quirks.h | 1 +
3 files changed, 36 insertions(+)
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c
b/drivers/gpu/drm/i915/display/intel_dp.c
index 640c43bf62d4c..5ce00cfe36ee1 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -1436,6 +1436,11 @@ intel_dp_mode_valid(struct drm_connector *_connector,
if (mode->clock < 10000)
return MODE_CLOCK_LOW;
+ if (intel_has_quirk(display, QUIRK_EDP_MAX_240HZ_HOOK) &&
+ intel_dp_is_edp(intel_dp) &&
+ drm_mode_vrefresh(mode) > 240)
+ return MODE_BAD;
+
fixed_mode = intel_panel_fixed_mode(connector, mode);
if (intel_dp_is_edp(intel_dp) && fixed_mode) {
status = intel_panel_mode_valid(connector, mode);
diff --git a/drivers/gpu/drm/i915/display/intel_quirks.c
b/drivers/gpu/drm/i915/display/intel_quirks.c
index a32fae510ed27..438ce2cb37a01 100644
--- a/drivers/gpu/drm/i915/display/intel_quirks.c
+++ b/drivers/gpu/drm/i915/display/intel_quirks.c
@@ -72,6 +72,12 @@ static void quirk_no_pps_backlight_power_hook(struct
intel_display *display)
drm_info(display->drm, "Applying no pps backlight power quirk\n");
}
+static void quirk_edp_max_240hz_hook(struct intel_display *display)
+{
+ intel_set_quirk(display, QUIRK_EDP_MAX_240HZ_HOOK);
+ drm_info(display->drm, "Applying max 240Hz quirk\n");
+}
+
static void quirk_fw_sync_len(struct intel_dp *intel_dp)
{
struct intel_display *display = to_intel_display(intel_dp);
@@ -120,6 +126,12 @@ static int intel_dmi_no_pps_backlight(const struct
dmi_system_id *id)
return 1;
}
+static int intel_dmi_edp_max_240hz(const struct dmi_system_id *id)
+{
+ DRM_INFO("Restrict output refreshrate to maximum 240Hz %s\n",
id->ident);
+ return 1;
+}
+
static const struct intel_dmi_quirk intel_dmi_quirks[] = {
{
.dmi_id_list = &(const struct dmi_system_id[]) {
@@ -166,6 +178,24 @@ static const struct intel_dmi_quirk intel_dmi_quirks[] = {
},
.hook = quirk_no_pps_backlight_power_hook,
},
+ {
+ .dmi_id_list = &(const struct dmi_system_id[]) {
+ {
+ .callback = intel_dmi_edp_max_240hz,
+ .ident = "TUXEDO Stellaris 16 Intel Gen7",
+ .matches = {DMI_EXACT_MATCH(DMI_BOARD_NAME,
"X6AR5xxY"),
+ },
+ },
+ {
+ .callback = intel_dmi_edp_max_240hz,
+ .ident = "TUXEDO Stellaris 16 Intel Gen7",
+ .matches = {DMI_EXACT_MATCH(DMI_BOARD_NAME,
"X6AR5xxY_mLED"),
+ },
+ },
+ { }
+ },
+ .hook = quirk_edp_max_240hz_hook,
+ },
};
static struct intel_quirk intel_quirks[] = {
diff --git a/drivers/gpu/drm/i915/display/intel_quirks.h
b/drivers/gpu/drm/i915/display/intel_quirks.h
index cafdebda75354..8fe3f3467106a 100644
--- a/drivers/gpu/drm/i915/display/intel_quirks.h
+++ b/drivers/gpu/drm/i915/display/intel_quirks.h
@@ -20,6 +20,7 @@ enum intel_quirk_id {
QUIRK_LVDS_SSC_DISABLE,
QUIRK_NO_PPS_BACKLIGHT_POWER_HOOK,
QUIRK_FW_SYNC_LEN,
+ QUIRK_EDP_MAX_240HZ_HOOK,
};
void intel_init_quirks(struct intel_display *display);
--
2.43.0
