Merge tag 'drm-intel-next-fixes-2023-04-20-1' of git://anongit.freedesktop.org/drm/drm-intel into drm-next

Active port PLL MST fix for second stream, CSC plane index fix,
null and oob array deref fixes and selftest memory leak fix.

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/ZEDz9ZedyZVyFXxU@jlahtine-mobl.ger.corp.intel.com

Author: airlied

drivers/gpu/drm/i915/display/intel_ddi.c

@@ -3060,6 +3060,25 @@ void intel_ddi_update_pipe(struct intel_atomic_state *state,
 	intel_hdcp_update_pipe(state, encoder, crtc_state, conn_state);
 }
 
+void intel_ddi_update_active_dpll(struct intel_atomic_state *state,
+				  struct intel_encoder *encoder,
+				  struct intel_crtc *crtc)
+{
+	struct drm_i915_private *i915 = to_i915(encoder->base.dev);
+	struct intel_crtc_state *crtc_state =
+		intel_atomic_get_new_crtc_state(state, crtc);
+	struct intel_crtc *slave_crtc;
+	enum phy phy = intel_port_to_phy(i915, encoder->port);
+
+	if (!intel_phy_is_tc(i915, phy))
+		return;
+
+	intel_update_active_dpll(state, crtc, encoder);
+	for_each_intel_crtc_in_pipe_mask(&i915->drm, slave_crtc,
+					 intel_crtc_bigjoiner_slave_pipes(crtc_state))
+		intel_update_active_dpll(state, slave_crtc, encoder);
+}
+
 static void
 intel_ddi_pre_pll_enable(struct intel_atomic_state *state,
 			 struct intel_encoder *encoder,
@@ -3074,15 +3093,9 @@ intel_ddi_pre_pll_enable(struct intel_atomic_state *state,
 	if (is_tc_port) {
 		struct intel_crtc *master_crtc =
 			to_intel_crtc(crtc_state->uapi.crtc);
-		struct intel_crtc *slave_crtc;
 
 		intel_tc_port_get_link(dig_port, crtc_state->lane_count);
-
-		intel_update_active_dpll(state, master_crtc, encoder);
-
-		for_each_intel_crtc_in_pipe_mask(&dev_priv->drm, slave_crtc,
-						 intel_crtc_bigjoiner_slave_pipes(crtc_state))
-			intel_update_active_dpll(state, slave_crtc, encoder);
+		intel_ddi_update_active_dpll(state, encoder, master_crtc);
 	}
 
 	main_link_aux_power_domain_get(dig_port, crtc_state);

drivers/gpu/drm/i915/display/intel_ddi.h

@@ -72,5 +72,8 @@ void intel_ddi_sanitize_encoder_pll_mapping(struct intel_encoder *encoder);
 int intel_ddi_level(struct intel_encoder *encoder,
 		    const struct intel_crtc_state *crtc_state,
 		    int lane);
+void intel_ddi_update_active_dpll(struct intel_atomic_state *state,
+				  struct intel_encoder *encoder,
+				  struct intel_crtc *crtc);
 
 #endif /* __INTEL_DDI_H__ */

drivers/gpu/drm/i915/display/intel_display.c

@@ -959,7 +959,7 @@ intel_get_crtc_new_encoder(const struct intel_atomic_state *state,
 		num_encoders++;
 	}
 
-	drm_WARN(encoder->base.dev, num_encoders != 1,
+	drm_WARN(state->base.dev, num_encoders != 1,
 		 "%d encoders for pipe %c\n",
 		 num_encoders, pipe_name(master_crtc->pipe));
 

drivers/gpu/drm/i915/display/intel_dp_mst.c

@@ -674,6 +674,13 @@ static void intel_mst_pre_pll_enable_dp(struct intel_atomic_state *state,
 	if (intel_dp->active_mst_links == 0)
 		dig_port->base.pre_pll_enable(state, &dig_port->base,
 						    pipe_config, NULL);
+	else
+		/*
+		 * The port PLL state needs to get updated for secondary
+		 * streams as for the primary stream.
+		 */
+		intel_ddi_update_active_dpll(state, &dig_port->base,
+					     to_intel_crtc(pipe_config->uapi.crtc));
 }
 
 static void intel_mst_pre_enable_dp(struct intel_atomic_state *state,

drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c

@@ -488,12 +488,25 @@ static void __force_fw_fetch_failures(struct intel_uc_fw *uc_fw, int e)
 	}
 }
 
-static int check_gsc_manifest(const struct firmware *fw,
+static int check_gsc_manifest(struct intel_gt *gt,
+			      const struct firmware *fw,
 			      struct intel_uc_fw *uc_fw)
 {
 	u32 *dw = (u32 *)fw->data;
-	u32 version_hi = dw[HUC_GSC_VERSION_HI_DW];
-	u32 version_lo = dw[HUC_GSC_VERSION_LO_DW];
+	u32 version_hi, version_lo;
+	size_t min_size;
+
+	/* Check the size of the blob before examining buffer contents */
+	min_size = sizeof(u32) * (HUC_GSC_VERSION_LO_DW + 1);
+	if (unlikely(fw->size < min_size)) {
+		gt_warn(gt, "%s firmware %s: invalid size: %zu < %zu\n",
+			intel_uc_fw_type_repr(uc_fw->type), uc_fw->file_selected.path,
+			fw->size, min_size);
+		return -ENODATA;
+	}
+
+	version_hi = dw[HUC_GSC_VERSION_HI_DW];
+	version_lo = dw[HUC_GSC_VERSION_LO_DW];
 
 	uc_fw->file_selected.ver.major = FIELD_GET(HUC_GSC_MAJOR_VER_HI_MASK, version_hi);
 	uc_fw->file_selected.ver.minor = FIELD_GET(HUC_GSC_MINOR_VER_HI_MASK, version_hi);
@@ -664,7 +677,7 @@ static int check_fw_header(struct intel_gt *gt,
 		return 0;
 
 	if (uc_fw->loaded_via_gsc)
-		err = check_gsc_manifest(fw, uc_fw);
+		err = check_gsc_manifest(gt, fw, uc_fw);
 	else
 		err = check_ccs_header(gt, fw, uc_fw);
 	if (err)

drivers/gpu/drm/i915/i915_reg.h

@@ -6349,8 +6349,8 @@ enum skl_power_gate {
 
 #define _PLANE_CSC_RY_GY_1(pipe)	_PIPE(pipe, _PLANE_CSC_RY_GY_1_A, \
 					      _PLANE_CSC_RY_GY_1_B)
-#define _PLANE_CSC_RY_GY_2(pipe)	_PIPE(pipe, _PLANE_INPUT_CSC_RY_GY_2_A, \
-					      _PLANE_INPUT_CSC_RY_GY_2_B)
+#define _PLANE_CSC_RY_GY_2(pipe)	_PIPE(pipe, _PLANE_CSC_RY_GY_2_A, \
+					      _PLANE_CSC_RY_GY_2_B)
 #define PLANE_CSC_COEFF(pipe, plane, index)	_MMIO_PLANE(plane, \
 							    _PLANE_CSC_RY_GY_1(pipe) +  (index) * 4, \
 							    _PLANE_CSC_RY_GY_2(pipe) + (index) * 4)

drivers/gpu/drm/i915/selftests/i915_gem_gtt.c

@@ -69,8 +69,10 @@ static int fake_get_pages(struct drm_i915_gem_object *obj)
 
 	rem = round_up(obj->base.size, BIT(31)) >> 31;
 	/* restricted by sg_alloc_table */
-	if (overflows_type(rem, unsigned int))
+	if (overflows_type(rem, unsigned int)) {
+		kfree(pages);
 		return -E2BIG;
+	}
 
 	if (sg_alloc_table(pages, rem, GFP)) {
 		kfree(pages);