5 files changed, 39 insertions, 13 deletions

diff --git a/drivers/gpu/drm/i915/display/intel_bios.c b/drivers/gpu/drm/i915/display/intel_bios.c
index 572a4e3769f3..a491e6c38875 100644
--- a/drivers/gpu/drm/i915/display/intel_bios.c
+++ b/drivers/gpu/drm/i915/display/intel_bios.c
@@ -2466,6 +2466,22 @@ static enum port dvo_port_to_port(struct drm_i915_private *i915,
 					  dvo_port);
 }
 
+static enum port
+dsi_dvo_port_to_port(struct drm_i915_private *i915, u8 dvo_port)
+{
+	switch (dvo_port) {
+	case DVO_PORT_MIPIA:
+		return PORT_A;
+	case DVO_PORT_MIPIC:
+		if (DISPLAY_VER(i915) >= 11)
+			return PORT_B;
+		else
+			return PORT_C;
+	default:
+		return PORT_NONE;
+	}
+}
+
 static int parse_bdb_230_dp_max_link_rate(const int vbt_max_link_rate)
 {
 	switch (vbt_max_link_rate) {
@@ -3414,19 +3430,16 @@ bool intel_bios_is_dsi_present(struct drm_i915_private *i915,
 
 		dvo_port = child->dvo_port;
 
-		if (dvo_port == DVO_PORT_MIPIA ||
-		    (dvo_port == DVO_PORT_MIPIB && DISPLAY_VER(i915) >= 11) ||
-		    (dvo_port == DVO_PORT_MIPIC && DISPLAY_VER(i915) < 11)) {
-			if (port)
-				*port = dvo_port - DVO_PORT_MIPIA;
-			return true;
-		} else if (dvo_port == DVO_PORT_MIPIB ||
-			   dvo_port == DVO_PORT_MIPIC ||
-			   dvo_port == DVO_PORT_MIPID) {
+		if (dsi_dvo_port_to_port(i915, dvo_port) == PORT_NONE) {
 			drm_dbg_kms(&i915->drm,
 				    "VBT has unsupported DSI port %c\n",
 				    port_name(dvo_port - DVO_PORT_MIPIA));
+			continue;
 		}
+
+		if (port)
+			*port = dsi_dvo_port_to_port(i915, dvo_port);
+		return true;
 	}
 
 	return false;
@@ -3511,7 +3524,7 @@ bool intel_bios_get_dsc_params(struct intel_encoder *encoder,
 		if (!(child->device_type & DEVICE_TYPE_MIPI_OUTPUT))
 			continue;
 
-		if (child->dvo_port - DVO_PORT_MIPIA == encoder->port) {
+		if (dsi_dvo_port_to_port(i915, child->dvo_port) == encoder->port) {
 			if (!devdata->dsc)
 				return false;
 
diff --git a/drivers/gpu/drm/i915/display/intel_cdclk.c b/drivers/gpu/drm/i915/display/intel_cdclk.c
index b74e36d76013..407a477939e5 100644
--- a/drivers/gpu/drm/i915/display/intel_cdclk.c
+++ b/drivers/gpu/drm/i915/display/intel_cdclk.c
@@ -1319,7 +1319,7 @@ static const struct intel_cdclk_vals adlp_cdclk_table[] = {
 	{ .refclk = 24000, .cdclk = 192000, .divider = 2, .ratio = 16 },
 	{ .refclk = 24000, .cdclk = 312000, .divider = 2, .ratio = 26 },
 	{ .refclk = 24000, .cdclk = 552000, .divider = 2, .ratio = 46 },
-	{ .refclk = 24400, .cdclk = 648000, .divider = 2, .ratio = 54 },
+	{ .refclk = 24000, .cdclk = 648000, .divider = 2, .ratio = 54 },
 
 	{ .refclk = 38400, .cdclk = 179200, .divider = 3, .ratio = 14 },
 	{ .refclk = 38400, .cdclk = 192000, .divider = 2, .ratio = 10 },
diff --git a/drivers/gpu/drm/i915/display/intel_fbdev.c b/drivers/gpu/drm/i915/display/intel_fbdev.c
index 5575d7abdc09..f76c06b7f1d4 100644
--- a/drivers/gpu/drm/i915/display/intel_fbdev.c
+++ b/drivers/gpu/drm/i915/display/intel_fbdev.c
@@ -328,8 +328,20 @@ out_unlock:
 	return ret;
 }
 
+static int intelfb_dirty(struct drm_fb_helper *helper, struct drm_clip_rect *clip)
+{
+	if (!(clip->x1 < clip->x2 && clip->y1 < clip->y2))
+		return 0;
+
+	if (helper->fb->funcs->dirty)
+		return helper->fb->funcs->dirty(helper->fb, NULL, 0, 0, clip, 1);
+
+	return 0;
+}
+
 static const struct drm_fb_helper_funcs intel_fb_helper_funcs = {
 	.fb_probe = intelfb_create,
+	.fb_dirty = intelfb_dirty,
 };
 
 static void intel_fbdev_destroy(struct intel_fbdev *ifbdev)
diff --git a/drivers/gpu/drm/i915/display/skl_universal_plane.c b/drivers/gpu/drm/i915/display/skl_universal_plane.c
index 76490cc59d8f..7d07fa3123ec 100644
--- a/drivers/gpu/drm/i915/display/skl_universal_plane.c
+++ b/drivers/gpu/drm/i915/display/skl_universal_plane.c
@@ -1627,7 +1627,7 @@ static int skl_check_main_surface(struct intel_plane_state *plane_state)
 	u32 offset;
 	int ret;
 
-	if (w > max_width || w < min_width || h > max_height) {
+	if (w > max_width || w < min_width || h > max_height || h < 1) {
 		drm_dbg_kms(&dev_priv->drm,
 			    "requested Y/RGB source size %dx%d outside limits (min: %dx1 max: %dx%d)\n",
 			    w, h, min_width, max_width, max_height);
diff --git a/drivers/gpu/drm/i915/display/skl_watermark.c b/drivers/gpu/drm/i915/display/skl_watermark.c
index e0766d1be966..11554645e6ee 100644
--- a/drivers/gpu/drm/i915/display/skl_watermark.c
+++ b/drivers/gpu/drm/i915/display/skl_watermark.c
@@ -1587,7 +1587,8 @@ skl_crtc_allocate_plane_ddb(struct intel_atomic_state *state,
 				skl_check_wm_level(&wm->wm[level], ddb);
 
 			if (icl_need_wm1_wa(i915, plane_id) &&
-			    level == 1 && wm->wm[0].enable) {
+			    level == 1 && !wm->wm[level].enable &&
+			    wm->wm[0].enable) {
 				wm->wm[level].blocks = wm->wm[0].blocks;
 				wm->wm[level].lines = wm->wm[0].lines;
 				wm->wm[level].ignore_lines = wm->wm[0].ignore_lines;