Merge branch 'for-linux-next' of git://anongit.freedesktop.org/drm-intel

# Conflicts: # drivers/gpu/drm/dp/drm_dp.c # drivers/gpu/drm/i915/i915_module.c
ammarfaizi2 · Feb 22, 2022 · b885fbe · b885fbe
2 parents a76eb5a + 55223c3
commit b885fbe
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Showing 147 changed files with 5,289 additions and 4,243 deletions.
diff --git a/drivers/gpu/drm/dp/drm_dp.c b/drivers/gpu/drm/dp/drm_dp.c
@@ -144,6 +144,79 @@ u8 drm_dp_get_adjust_tx_ffe_preset(const u8 link_status[DP_LINK_STATUS_SIZE],
 }
 EXPORT_SYMBOL(drm_dp_get_adjust_tx_ffe_preset);
 
+/* DP 2.0 errata for 128b/132b */
+bool drm_dp_128b132b_lane_channel_eq_done(const u8 link_status[DP_LINK_STATUS_SIZE],
+					  int lane_count)
+{
+	u8 lane_align, lane_status;
+	int lane;
+
+	lane_align = dp_link_status(link_status, DP_LANE_ALIGN_STATUS_UPDATED);
+	if (!(lane_align & DP_INTERLANE_ALIGN_DONE))
+		return false;
+
+	for (lane = 0; lane < lane_count; lane++) {
+		lane_status = dp_get_lane_status(link_status, lane);
+		if (!(lane_status & DP_LANE_CHANNEL_EQ_DONE))
+			return false;
+	}
+	return true;
+}
+EXPORT_SYMBOL(drm_dp_128b132b_lane_channel_eq_done);
+
+/* DP 2.0 errata for 128b/132b */
+bool drm_dp_128b132b_lane_symbol_locked(const u8 link_status[DP_LINK_STATUS_SIZE],
+					int lane_count)
+{
+	u8 lane_status;
+	int lane;
+
+	for (lane = 0; lane < lane_count; lane++) {
+		lane_status = dp_get_lane_status(link_status, lane);
+		if (!(lane_status & DP_LANE_SYMBOL_LOCKED))
+			return false;
+	}
+	return true;
+}
+EXPORT_SYMBOL(drm_dp_128b132b_lane_symbol_locked);
+
+/* DP 2.0 errata for 128b/132b */
+bool drm_dp_128b132b_eq_interlane_align_done(const u8 link_status[DP_LINK_STATUS_SIZE])
+{
+	u8 status = dp_link_status(link_status, DP_LANE_ALIGN_STATUS_UPDATED);
+
+	return status & DP_128B132B_DPRX_EQ_INTERLANE_ALIGN_DONE;
+}
+EXPORT_SYMBOL(drm_dp_128b132b_eq_interlane_align_done);
+
+/* DP 2.0 errata for 128b/132b */
+bool drm_dp_128b132b_cds_interlane_align_done(const u8 link_status[DP_LINK_STATUS_SIZE])
+{
+	u8 status = dp_link_status(link_status, DP_LANE_ALIGN_STATUS_UPDATED);
+
+	return status & DP_128B132B_DPRX_CDS_INTERLANE_ALIGN_DONE;
+}
+EXPORT_SYMBOL(drm_dp_128b132b_cds_interlane_align_done);
+
+/* DP 2.0 errata for 128b/132b */
+bool drm_dp_128b132b_link_training_failed(const u8 link_status[DP_LINK_STATUS_SIZE])
+{
+	u8 status = dp_link_status(link_status, DP_LANE_ALIGN_STATUS_UPDATED);
+
+	return status & DP_128B132B_LT_FAILED;
+}
+EXPORT_SYMBOL(drm_dp_128b132b_link_training_failed);
+
+u8 drm_dp_get_adjust_request_post_cursor(const u8 link_status[DP_LINK_STATUS_SIZE],
+					 unsigned int lane)
+{
+	unsigned int offset = DP_ADJUST_REQUEST_POST_CURSOR2;
+	u8 value = dp_link_status(link_status, offset);
+
+	return (value >> (lane << 1)) & 0x3;
+}
+EXPORT_SYMBOL(drm_dp_get_adjust_request_post_cursor);
+
 static int __8b10b_clock_recovery_delay_us(const struct drm_dp_aux *aux, u8 rd_interval)
 {
 	if (rd_interval > 4)
@@ -271,6 +344,26 @@ int drm_dp_read_channel_eq_delay(struct drm_dp_aux *aux, const u8 dpcd[DP_RECEIV
 }
 EXPORT_SYMBOL(drm_dp_read_channel_eq_delay);
 
+/* Per DP 2.0 Errata */
+int drm_dp_128b132b_read_aux_rd_interval(struct drm_dp_aux *aux)
+{
+	int unit;
+	u8 val;
+
+	if (drm_dp_dpcd_readb(aux, DP_128B132B_TRAINING_AUX_RD_INTERVAL, &val) != 1) {
+		drm_err(aux->drm_dev, "%s: failed rd interval read\n",
+			aux->name);
+		/* default to max */
+		val = DP_128B132B_TRAINING_AUX_RD_INTERVAL_MASK;
+	}
+
+	unit = (val & DP_128B132B_TRAINING_AUX_RD_INTERVAL_1MS_UNIT) ? 1 : 2;
+	val &= DP_128B132B_TRAINING_AUX_RD_INTERVAL_MASK;
+
+	return (val + 1) * unit * 1000;
+}
+EXPORT_SYMBOL(drm_dp_128b132b_read_aux_rd_interval);
+
 void drm_dp_link_train_clock_recovery_delay(const struct drm_dp_aux *aux,
 					    const u8 dpcd[DP_RECEIVER_CAP_SIZE])
 {

diff --git a/drivers/gpu/drm/drm_cache.c b/drivers/gpu/drm/drm_cache.c
@@ -221,7 +221,7 @@ static void memcpy_fallback(struct iosys_map *dst,
 	if (!dst->is_iomem && !src->is_iomem) {
 		memcpy(dst->vaddr, src->vaddr, len);
 	} else if (!src->is_iomem) {
-		iosys_map_memcpy_to(dst, src->vaddr, len);
+		iosys_map_memcpy_to(dst, 0, src->vaddr, len);
 	} else if (!dst->is_iomem) {
 		memcpy_fromio(dst->vaddr, src->vaddr_iomem, len);
 	} else {

diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c
@@ -385,7 +385,7 @@ static void drm_fb_helper_damage_blit_real(struct drm_fb_helper *fb_helper,
 	iosys_map_incr(dst, offset); /* go to first pixel within clip rect */
 
 	for (y = clip->y1; y < clip->y2; y++) {
-		iosys_map_memcpy_to(dst, src, len);
+		iosys_map_memcpy_to(dst, 0, src, len);
 		iosys_map_incr(dst, fb->pitches[0]);
 		src += fb->pitches[0];
 	}

diff --git a/drivers/gpu/drm/i915/Makefile b/drivers/gpu/drm/i915/Makefile
@@ -13,6 +13,7 @@
 # will most likely get a sudden build breakage... Hopefully we will fix
 # new warnings before CI updates!
 subdir-ccflags-y := -Wall -Wextra
+subdir-ccflags-y += -Wno-format-security
 subdir-ccflags-y += -Wno-unused-parameter
 subdir-ccflags-y += -Wno-type-limits
 subdir-ccflags-y += -Wno-missing-field-initializers
@@ -197,6 +198,7 @@ i915-y += gt/uc/intel_uc.o \
 
 # modesetting core code
 i915-y += \
+	display/hsw_ips.o \
 	display/intel_atomic.o \
 	display/intel_atomic_plane.o \
 	display/intel_audio.o \