Merge tag 'drm-next-2022-03-24' of git://anongit.freedesktop.org/drm/drm

Pull drm updates from Dave Airlie:
 "Lots of work all over, Intel improving DG2 support, amdkfd CRIU
  support, msm new hw support, and faster fbdev support.

  dma-buf:
   - rename dma-buf-map to iosys-map

  core:
   - move buddy allocator to core
   - add pci/platform init macros
   - improve EDID parser deep color handling
   - EDID timing type 7 support
   - add GPD Win Max quirk
   - add yes/no helpers to string_helpers
   - flatten syncobj chains
   - add nomodeset support to lots of drivers
   - improve fb-helper clipping support
   - add default property value interface

  fbdev:
   - improve fbdev ops speed

  ttm:
   - add a backpointer from ttm bo->ttm resource

  dp:
   - move displayport headers
   - add a dp helper module

  bridge:
   - anx7625 atomic support, HDCP support

  panel:
   - split out panel-lvds and lvds bindings
   - find panels in OF subnodes

  privacy:
   - add chromeos privacy screen support

  fb:
   - hot unplug fw fb on forced removal

  simpledrm:
   - request region instead of marking ioresource busy
   - add panel oreintation property

  udmabuf:
   - fix oops with 0 pages

  amdgpu:
   - power management code cleanup
   - Enable freesync video mode by default
   - RAS code cleanup
   - Improve VRAM access for debug using SDMA
   - SR-IOV rework special register access and fixes
   - profiling power state request ioctl
   - expose IP discovery via sysfs
   - Cyan skillfish updates
   - GC 10.3.7, SDMA 5.2.7, DCN 3.1.6 updates
   - expose benchmark tests via debugfs
   - add module param to disable XGMI for testing
   - GPU reset debugfs register dumping support

  amdkfd:
   - CRIU support
   - SDMA queue fixes

  radeon:
   - UVD suspend fix
   - iMac backlight fix

  i915:
   - minimal parallel submission for execlists
   - DG2-G12 subplatform added
   - DG2 programming workarounds
   - DG2 accelerated migration support
   - flat CCS and CCS engine support for XeHP
   - initial small BAR support
   - drop fake LMEM support
   - ADL-N PCH support
   - bigjoiner updates
   - introduce VMA resources and async unbinding
   - register definitions cleanups
   - multi-FBC refactoring
   - DG1 OPROM over SPI support
   - ADL-N platform enabling
   - opregion mailbox #5 support
   - DP MST ESI improvements
   - drm device based logging
   - async flip optimisation for DG2
   - CPU arch abstraction fixes
   - improve GuC ADS init to work on aarch64
   - tweak TTM LRU priority hint
   - GuC 69.0.3 support
   - remove short term execbuf pins

  nouveau:
   - higher DP/eDP bitrates
   - backlight fixes

  msm:
   - dpu + dp support for sc8180x
   - dp support for sm8350
   - dpu + dsi support for qcm2290
   - 10nm dsi phy tuning support
   - bridge support for dp encoder
   - gpu support for additional 7c3 SKUs

  ingenic:
   - HDMI support for JZ4780
   - aux channel EDID support

  ast:
   - AST2600 support
   - add wide screen support
   - create DP/DVI connectors

  omapdrm:
   - fix implicit dma_buf fencing

  vc4:
   - add CSC + full range support
   - better display firmware handoff

  panfrost:
   - add initial dual-core GPU support

  stm:
   - new revision support
   - fb handover support

  mediatek:
   - transfer display binding document to yaml format.
   - add mt8195 display device binding.
   - allow commands to be sent during video mode.
   - add wait_for_event for crtc disable by cmdq.

  tegra:
   - YUV format support

  rcar-du:
   - LVDS support for M3-W+ (R8A77961)

  exynos:
   - BGR pixel format for FIMD device"

* tag 'drm-next-2022-03-24' of git://anongit.freedesktop.org/drm/drm: (1529 commits)
  drm/i915/display: Do not re-enable PSR after it was marked as not reliable
  drm/i915/display: Fix HPD short pulse handling for eDP
  drm/amdgpu: Use drm_mode_copy()
  drm/radeon: Use drm_mode_copy()
  drm/amdgpu: Use ternary operator in `vcn_v1_0_start()`
  drm/amdgpu: Remove pointless on stack mode copies
  drm/amd/pm: fix indenting in __smu_cmn_reg_print_error()
  drm/amdgpu/dc: fix typos in comments
  drm/amdgpu: fix typos in comments
  drm/amd/pm: fix typos in comments
  drm/amdgpu: Add stolen reserved memory for MI25 SRIOV.
  drm/amdgpu: Merge get_reserved_allocation to get_vbios_allocations.
  drm/amdkfd: evict svm bo worker handle error
  drm/amdgpu/vcn: fix vcn ring test failure in igt reload test
  drm/amdgpu: only allow secure submission on rings which support that
  drm/amdgpu: fixed the warnings reported by kernel test robot
  drm/amd/display: 3.2.177
  drm/amd/display: [FW Promotion] Release 0.0.108.0
  drm/amd/display: Add save/restore PANEL_PWRSEQ_REF_DIV2
  drm/amd/display: Wait for hubp read line for Pollock
  ...

1 files changed, 31 insertions, 34 deletions

diff --git a/drivers/gpu/drm/msm/dsi/dsi_manager.c b/drivers/gpu/drm/msm/dsi/dsi_manager.c
index f19bae475c96..0c1b7dde377c 100644
--- a/drivers/gpu/drm/msm/dsi/dsi_manager.c
+++ b/drivers/gpu/drm/msm/dsi/dsi_manager.c
@@ -305,27 +305,6 @@ static int dsi_mgr_connector_get_modes(struct drm_connector *connector)
 	return num;
 }
 
-static enum drm_mode_status dsi_mgr_connector_mode_valid(struct drm_connector *connector,
-				struct drm_display_mode *mode)
-{
-	int id = dsi_mgr_connector_get_id(connector);
-	struct msm_dsi *msm_dsi = dsi_mgr_get_dsi(id);
-	struct drm_encoder *encoder = msm_dsi_get_encoder(msm_dsi);
-	struct msm_drm_private *priv = connector->dev->dev_private;
-	struct msm_kms *kms = priv->kms;
-	long actual, requested;
-
-	DBG("");
-	requested = 1000 * mode->clock;
-	actual = kms->funcs->round_pixclk(kms, requested, encoder);
-
-	DBG("requested=%ld, actual=%ld", requested, actual);
-	if (actual != requested)
-		return MODE_CLOCK_RANGE;
-
-	return MODE_OK;
-}
-
 static struct drm_encoder *
 dsi_mgr_connector_best_encoder(struct drm_connector *connector)
 {
@@ -336,13 +315,12 @@ dsi_mgr_connector_best_encoder(struct drm_connector *connector)
 	return msm_dsi_get_encoder(msm_dsi);
 }
 
-static void dsi_mgr_bridge_pre_enable(struct drm_bridge *bridge)
+static void dsi_mgr_bridge_power_on(struct drm_bridge *bridge)
 {
 	int id = dsi_mgr_bridge_get_id(bridge);
 	struct msm_dsi *msm_dsi = dsi_mgr_get_dsi(id);
 	struct msm_dsi *msm_dsi1 = dsi_mgr_get_dsi(DSI_1);
 	struct mipi_dsi_host *host = msm_dsi->host;
-	struct drm_panel *panel = msm_dsi->panel;
 	struct msm_dsi_phy_shared_timings phy_shared_timings[DSI_MAX];
 	bool is_bonded_dsi = IS_BONDED_DSI();
 	int ret;
@@ -383,6 +361,34 @@ static void dsi_mgr_bridge_pre_enable(struct drm_bridge *bridge)
 	if (is_bonded_dsi && msm_dsi1)
 		msm_dsi_host_enable_irq(msm_dsi1->host);
 
+	return;
+
+host1_on_fail:
+	msm_dsi_host_power_off(host);
+host_on_fail:
+	dsi_mgr_phy_disable(id);
+phy_en_fail:
+	return;
+}
+
+static void dsi_mgr_bridge_pre_enable(struct drm_bridge *bridge)
+{
+	int id = dsi_mgr_bridge_get_id(bridge);
+	struct msm_dsi *msm_dsi = dsi_mgr_get_dsi(id);
+	struct msm_dsi *msm_dsi1 = dsi_mgr_get_dsi(DSI_1);
+	struct mipi_dsi_host *host = msm_dsi->host;
+	struct drm_panel *panel = msm_dsi->panel;
+	bool is_bonded_dsi = IS_BONDED_DSI();
+	int ret;
+
+	DBG("id=%d", id);
+	if (!msm_dsi_device_connected(msm_dsi))
+		return;
+
+	/* Do nothing with the host if it is slave-DSI in case of bonded DSI */
+	if (is_bonded_dsi && !IS_MASTER_DSI_LINK(id))
+		return;
+
 	/* Always call panel functions once, because even for dual panels,
 	 * there is only one drm_panel instance.
 	 */
@@ -417,17 +423,7 @@ host_en_fail:
 	if (panel)
 		drm_panel_unprepare(panel);
 panel_prep_fail:
-	msm_dsi_host_disable_irq(host);
-	if (is_bonded_dsi && msm_dsi1)
-		msm_dsi_host_disable_irq(msm_dsi1->host);
 
-	if (is_bonded_dsi && msm_dsi1)
-		msm_dsi_host_power_off(msm_dsi1->host);
-host1_on_fail:
-	msm_dsi_host_power_off(host);
-host_on_fail:
-	dsi_mgr_phy_disable(id);
-phy_en_fail:
 	return;
 }
 
@@ -573,6 +569,8 @@ static void dsi_mgr_bridge_mode_set(struct drm_bridge *bridge,
 	msm_dsi_host_set_display_mode(host, adjusted_mode);
 	if (is_bonded_dsi && other_dsi)
 		msm_dsi_host_set_display_mode(other_dsi->host, adjusted_mode);
+
+	dsi_mgr_bridge_power_on(bridge);
 }
 
 static const struct drm_connector_funcs dsi_mgr_connector_funcs = {
@@ -586,7 +584,6 @@ static const struct drm_connector_funcs dsi_mgr_connector_funcs = {
 
 static const struct drm_connector_helper_funcs dsi_mgr_conn_helper_funcs = {
 	.get_modes = dsi_mgr_connector_get_modes,
-	.mode_valid = dsi_mgr_connector_mode_valid,
 	.best_encoder = dsi_mgr_connector_best_encoder,
 };