[PATCH v5 11/18] drm/msm: generate headers on the fly

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Generate DRM/MSM headers on the fly during kernel build. This removes a
need to push register changes to Mesa with the following manual
synchronization step. Existing headers will be removed in the following
commits (split away to ease reviews).

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
---
 drivers/gpu/drm/msm/.gitignore |  1 +
 drivers/gpu/drm/msm/Makefile   | 97 +++++++++++++++++++++++++++++++++---------
 2 files changed, 77 insertions(+), 21 deletions(-)

diff --git a/drivers/gpu/drm/msm/.gitignore b/drivers/gpu/drm/msm/.gitignore
new file mode 100644
index 000000000000..9ab870da897d
--- /dev/null
+++ b/drivers/gpu/drm/msm/.gitignore
@@ -0,0 +1 @@
+generated/
diff --git a/drivers/gpu/drm/msm/Makefile b/drivers/gpu/drm/msm/Makefile
index 26ed4f443149..c861de58286c 100644
--- a/drivers/gpu/drm/msm/Makefile
+++ b/drivers/gpu/drm/msm/Makefile
@@ -1,10 +1,11 @@
 # SPDX-License-Identifier: GPL-2.0
 ccflags-y := -I $(srctree)/$(src)
+ccflags-y += -I $(obj)/generated
 ccflags-y += -I $(srctree)/$(src)/disp/dpu1
 ccflags-$(CONFIG_DRM_MSM_DSI) += -I $(srctree)/$(src)/dsi
 ccflags-$(CONFIG_DRM_MSM_DP) += -I $(srctree)/$(src)/dp
 
-msm-y := \
+adreno-y := \
 	adreno/adreno_device.o \
 	adreno/adreno_gpu.o \
 	adreno/a2xx_gpu.o \
@@ -18,7 +19,11 @@ msm-y := \
 	adreno/a6xx_gmu.o \
 	adreno/a6xx_hfi.o \
 
-msm-$(CONFIG_DRM_MSM_HDMI) += \
+adreno-$(CONFIG_DEBUG_FS) += adreno/a5xx_debugfs.o \
+
+adreno-$(CONFIG_DRM_MSM_GPU_STATE)	+= adreno/a6xx_gpu_state.o
+
+msm-display-$(CONFIG_DRM_MSM_HDMI) += \
 	hdmi/hdmi.o \
 	hdmi/hdmi_audio.o \
 	hdmi/hdmi_bridge.o \
@@ -31,7 +36,7 @@ msm-$(CONFIG_DRM_MSM_HDMI) += \
 	hdmi/hdmi_phy_8x74.o \
 	hdmi/hdmi_pll_8960.o \
 
-msm-$(CONFIG_DRM_MSM_MDP4) += \
+msm-display-$(CONFIG_DRM_MSM_MDP4) += \
 	disp/mdp4/mdp4_crtc.o \
 	disp/mdp4/mdp4_dsi_encoder.o \
 	disp/mdp4/mdp4_dtv_encoder.o \
@@ -42,7 +47,7 @@ msm-$(CONFIG_DRM_MSM_MDP4) += \
 	disp/mdp4/mdp4_kms.o \
 	disp/mdp4/mdp4_plane.o \
 
-msm-$(CONFIG_DRM_MSM_MDP5) += \
+msm-display-$(CONFIG_DRM_MSM_MDP5) += \
 	disp/mdp5/mdp5_cfg.o \
 	disp/mdp5/mdp5_cmd_encoder.o \
 	disp/mdp5/mdp5_ctl.o \
@@ -55,7 +60,7 @@ msm-$(CONFIG_DRM_MSM_MDP5) += \
 	disp/mdp5/mdp5_plane.o \
 	disp/mdp5/mdp5_smp.o \
 
-msm-$(CONFIG_DRM_MSM_DPU) += \
+msm-display-$(CONFIG_DRM_MSM_DPU) += \
 	disp/dpu1/dpu_core_perf.o \
 	disp/dpu1/dpu_crtc.o \
 	disp/dpu1/dpu_encoder.o \
@@ -85,14 +90,16 @@ msm-$(CONFIG_DRM_MSM_DPU) += \
 	disp/dpu1/dpu_vbif.o \
 	disp/dpu1/dpu_writeback.o
 
-msm-$(CONFIG_DRM_MSM_MDSS) += \
+msm-display-$(CONFIG_DRM_MSM_MDSS) += \
 	msm_mdss.o \
 
-msm-y += \
+msm-display-y += \
 	disp/mdp_format.o \
 	disp/mdp_kms.o \
 	disp/msm_disp_snapshot.o \
 	disp/msm_disp_snapshot_util.o \
+
+msm-y += \
 	msm_atomic.o \
 	msm_atomic_tracepoints.o \
 	msm_debugfs.o \
@@ -115,12 +122,12 @@ msm-y += \
 	msm_submitqueue.o \
 	msm_gpu_tracepoints.o \
 
-msm-$(CONFIG_DEBUG_FS) += adreno/a5xx_debugfs.o \
-	dp/dp_debug.o
+msm-$(CONFIG_DRM_FBDEV_EMULATION) += msm_fbdev.o
 
-msm-$(CONFIG_DRM_MSM_GPU_STATE)	+= adreno/a6xx_gpu_state.o
+msm-display-$(CONFIG_DEBUG_FS) += \
+	dp/dp_debug.o
 
-msm-$(CONFIG_DRM_MSM_DP)+= dp/dp_aux.o \
+msm-display-$(CONFIG_DRM_MSM_DP)+= dp/dp_aux.o \
 	dp/dp_catalog.o \
 	dp/dp_ctrl.o \
 	dp/dp_display.o \
@@ -130,21 +137,69 @@ msm-$(CONFIG_DRM_MSM_DP)+= dp/dp_aux.o \
 	dp/dp_audio.o \
 	dp/dp_utils.o
 
-msm-$(CONFIG_DRM_FBDEV_EMULATION) += msm_fbdev.o
-
-msm-$(CONFIG_DRM_MSM_HDMI_HDCP) += hdmi/hdmi_hdcp.o
+msm-display-$(CONFIG_DRM_MSM_HDMI_HDCP) += hdmi/hdmi_hdcp.o
 
-msm-$(CONFIG_DRM_MSM_DSI) += dsi/dsi.o \
+msm-display-$(CONFIG_DRM_MSM_DSI) += dsi/dsi.o \
 			dsi/dsi_cfg.o \
 			dsi/dsi_host.o \
 			dsi/dsi_manager.o \
 			dsi/phy/dsi_phy.o
 
-msm-$(CONFIG_DRM_MSM_DSI_28NM_PHY) += dsi/phy/dsi_phy_28nm.o
-msm-$(CONFIG_DRM_MSM_DSI_20NM_PHY) += dsi/phy/dsi_phy_20nm.o
-msm-$(CONFIG_DRM_MSM_DSI_28NM_8960_PHY) += dsi/phy/dsi_phy_28nm_8960.o
-msm-$(CONFIG_DRM_MSM_DSI_14NM_PHY) += dsi/phy/dsi_phy_14nm.o
-msm-$(CONFIG_DRM_MSM_DSI_10NM_PHY) += dsi/phy/dsi_phy_10nm.o
-msm-$(CONFIG_DRM_MSM_DSI_7NM_PHY) += dsi/phy/dsi_phy_7nm.o
+msm-display-$(CONFIG_DRM_MSM_DSI_28NM_PHY) += dsi/phy/dsi_phy_28nm.o
+msm-display-$(CONFIG_DRM_MSM_DSI_20NM_PHY) += dsi/phy/dsi_phy_20nm.o
+msm-display-$(CONFIG_DRM_MSM_DSI_28NM_8960_PHY) += dsi/phy/dsi_phy_28nm_8960.o
+msm-display-$(CONFIG_DRM_MSM_DSI_14NM_PHY) += dsi/phy/dsi_phy_14nm.o
+msm-display-$(CONFIG_DRM_MSM_DSI_10NM_PHY) += dsi/phy/dsi_phy_10nm.o
+msm-display-$(CONFIG_DRM_MSM_DSI_7NM_PHY) += dsi/phy/dsi_phy_7nm.o
+
+msm-y += $(adreno-y) $(msm-display-y)
 
 obj-$(CONFIG_DRM_MSM)	+= msm.o
+
+quiet_cmd_headergen = GENHDR  $@
+      cmd_headergen = mkdir -p $(obj)/generated && $(PYTHON3) $(srctree)/$(src)/registers/gen_header.py --rnn $(srctree)/$(src)/registers --xml $< c-defines > $@
+
+$(obj)/generated/%.xml.h: $(src)/registers/adreno/%.xml \
+		$(src)/registers/adreno/adreno_common.xml \
+		$(src)/registers/adreno/adreno_pm4.xml \
+		$(src)/registers/freedreno_copyright.xml \
+		$(src)/registers/gen_header.py \
+		$(src)/registers/rules-fd.xsd \
+		FORCE
+	$(call if_changed,headergen)
+
+$(obj)/generated/%.xml.h: $(src)/registers/display/%.xml \
+		$(src)/registers/freedreno_copyright.xml \
+		$(src)/registers/gen_header.py \
+		$(src)/registers/rules-fd.xsd \
+		FORCE
+	$(call if_changed,headergen)
+
+ADRENO_HEADERS = \
+	generated/a2xx.xml.h \
+	generated/a3xx.xml.h \
+	generated/a4xx.xml.h \
+	generated/a5xx.xml.h \
+	generated/a6xx.xml.h \
+	generated/a6xx_gmu.xml.h \
+	generated/adreno_common.xml.h \
+	generated/adreno_pm4.xml.h \
+
+DISPLAY_HEADERS = \
+	generated/dsi_phy_7nm.xml.h \
+	generated/dsi_phy_10nm.xml.h \
+	generated/dsi_phy_14nm.xml.h \
+	generated/dsi_phy_20nm.xml.h \
+	generated/dsi_phy_28nm_8960.xml.h \
+	generated/dsi_phy_28nm.xml.h \
+	generated/dsi.xml.h \
+	generated/hdmi.xml.h \
+	generated/mdp4.xml.h \
+	generated/mdp5.xml.h \
+	generated/mdp_common.xml.h \
+	generated/sfpb.xml.h
+
+$(addprefix $(obj)/,$(adreno-y)): $(addprefix $(obj)/,$(ADRENO_HEADERS))
+$(addprefix $(obj)/,$(msm-display-y)): $(addprefix $(obj)/,$(DISPLAY_HEADERS))
+
+targets += $(ADRENO_HEADERS) $(DISPLAY_HEADERS)

-- 
2.39.2





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