mesa-pvr: convert bbappend into standalone alternative provider

There are some unobvious issues with adding PVR support to Mesa
via a bbappend:

1. We need to mark mesa package as machine-specific, due to
differences in builds between SGX, Rogue and software-rendering

2. We also need to then mark mesa package as providing safe
ABIs (EGL/GLES/GBM) in order for all generic dependent packages
to not be treated as machine-specific, allowing their re-use
across different machines of the same architecture

But doing the above alters the upstream mesa package and changes
its signatures even when not building for TI platforms, which is
a Yocto Project compliance violation.

In order to resolve this issue, convert Mesa bbappend, that adds
PVR support, into its own standalone alternative provider, called
mesa-pvr and allow selecting it with PREFERRED_PROVIDER settings.

Signed-off-by: Denys Dmytriyenko <denys@konsulko.com>
Signed-off-by: Ryan Eatmon <reatmon@ti.com>

11 files changed, 18 insertions, 1 deletions

diff --git a/meta-ti-bsp/conf/layer.conf b/meta-ti-bsp/conf/layer.conf
index 5520c7c2..bb286c2b 100644
--- a/meta-ti-bsp/conf/layer.conf
+++ b/meta-ti-bsp/conf/layer.conf
@@ -19,7 +19,7 @@ LAYERDEPENDS_meta-ti-bsp = " \
 "
 
 SIGGEN_EXCLUDERECIPES_ABISAFE += " \
-    mesa \
+    mesa-pvr \
 "
 
 HOSTTOOLS_NONFATAL += "truncate xxd comm"
diff --git a/meta-ti-bsp/conf/machine/beagleplay.conf b/meta-ti-bsp/conf/machine/beagleplay.conf
index e8d25cd9..c7b1414a 100644
--- a/meta-ti-bsp/conf/machine/beagleplay.conf
+++ b/meta-ti-bsp/conf/machine/beagleplay.conf
@@ -10,6 +10,7 @@ MACHINE_FEATURES += "screen gpu"
 SERIAL_CONSOLES = "115200;ttyS2"
 SERIAL_CONSOLES_CHECK = "${SERIAL_CONSOLES}"
 
+require conf/machine/include/mesa-pvr.inc
 PREFERRED_PROVIDER_virtual/gpudriver ?= "ti-img-rogue-driver"
 
 TFA_BOARD = "lite"
diff --git a/meta-ti-bsp/conf/machine/include/am62xx.inc b/meta-ti-bsp/conf/machine/include/am62xx.inc
index a205a18c..c1e0ed0c 100644
--- a/meta-ti-bsp/conf/machine/include/am62xx.inc
+++ b/meta-ti-bsp/conf/machine/include/am62xx.inc
@@ -3,6 +3,7 @@ SOC_FAMILY:append = ":am62xx"
 
 MACHINE_FEATURES += "screen gpu"
 
+require conf/machine/include/mesa-pvr.inc
 PREFERRED_PROVIDER_virtual/gpudriver ?= "ti-img-rogue-driver"
 
 # Default tiboot3.bin on AM62x is for HS-FS
diff --git a/meta-ti-bsp/conf/machine/include/am65xx.inc b/meta-ti-bsp/conf/machine/include/am65xx.inc
index 9fe851f4..9cbce243 100644
--- a/meta-ti-bsp/conf/machine/include/am65xx.inc
+++ b/meta-ti-bsp/conf/machine/include/am65xx.inc
@@ -3,6 +3,7 @@ SOC_FAMILY:append = ":am65xx"
 
 MACHINE_FEATURES += "screen touchscreen gpu"
 
+require conf/machine/include/mesa-pvr.inc
 PREFERRED_PROVIDER_virtual/gpudriver ?= ""
 
 KERNEL_DEVICETREE_PREFIX = "ti/k3-am654"
diff --git a/meta-ti-bsp/conf/machine/include/j721e.inc b/meta-ti-bsp/conf/machine/include/j721e.inc
index 5e325ffe..f707cf26 100644
--- a/meta-ti-bsp/conf/machine/include/j721e.inc
+++ b/meta-ti-bsp/conf/machine/include/j721e.inc
@@ -3,6 +3,7 @@ SOC_FAMILY:append = ":j721e"
 
 MACHINE_FEATURES += "screen gpu"
 
+require conf/machine/include/mesa-pvr.inc
 PREFERRED_PROVIDER_virtual/gpudriver ?= "ti-img-rogue-driver"
 
 # On J721e the file tiboot3.bin comes from the bootloader not ti-sci-fw
diff --git a/meta-ti-bsp/conf/machine/include/j721s2.inc b/meta-ti-bsp/conf/machine/include/j721s2.inc
index 70569a16..98cc611f 100644
--- a/meta-ti-bsp/conf/machine/include/j721s2.inc
+++ b/meta-ti-bsp/conf/machine/include/j721s2.inc
@@ -3,6 +3,7 @@ SOC_FAMILY:append = ":j721s2"
 
 MACHINE_FEATURES += "screen gpu"
 
+require conf/machine/include/mesa-pvr.inc
 PREFERRED_PROVIDER_virtual/gpudriver ?= "ti-img-rogue-driver"
 
 TFA_BOARD = "generic"
diff --git a/meta-ti-bsp/conf/machine/include/j784s4.inc b/meta-ti-bsp/conf/machine/include/j784s4.inc
index d03ee4a4..de207687 100644
--- a/meta-ti-bsp/conf/machine/include/j784s4.inc
+++ b/meta-ti-bsp/conf/machine/include/j784s4.inc
@@ -3,6 +3,7 @@ SOC_FAMILY:append = ":j784s4"
 
 MACHINE_FEATURES += "screen gpu"
 
+require conf/machine/include/mesa-pvr.inc
 PREFERRED_PROVIDER_virtual/gpudriver ?= "ti-img-rogue-driver"
 
 TFA_BOARD = "j784s4"
diff --git a/meta-ti-bsp/conf/machine/include/mesa-pvr.inc b/meta-ti-bsp/conf/machine/include/mesa-pvr.inc
new file mode 100644
index 00000000..d5581315
--- /dev/null
+++ b/meta-ti-bsp/conf/machine/include/mesa-pvr.inc
@@ -0,0 +1,8 @@
+PREFERRED_PROVIDER_virtual/mesa ?= "mesa-pvr"
+PREFERRED_PROVIDER_virtual/egl ?= "mesa-pvr"
+PREFERRED_PROVIDER_virtual/libgles1 ?= "mesa-pvr"
+PREFERRED_PROVIDER_virtual/libgles2 ?= "mesa-pvr"
+PREFERRED_PROVIDER_virtual/libgles3 ?= "mesa-pvr"
+PREFERRED_PROVIDER_virtual/libgbm ?= "mesa-pvr"
+PREFERRED_PROVIDER_virtual/libglx ?= "mesa-pvr"
+PREFERRED_PROVIDER_virtual/libgl ?= "mesa-pvr"
diff --git a/meta-ti-bsp/conf/machine/include/omap-a15.inc b/meta-ti-bsp/conf/machine/include/omap-a15.inc
index 49db1cb6..700b1a11 100644
--- a/meta-ti-bsp/conf/machine/include/omap-a15.inc
+++ b/meta-ti-bsp/conf/machine/include/omap-a15.inc
@@ -12,6 +12,7 @@ PREFERRED_PROVIDER_virtual/bootloader ?= "u-boot-ti-staging"
 PREFERRED_PROVIDER_u-boot ?= "u-boot-ti-staging"
 
 # Graphics providers and variables
+require conf/machine/include/mesa-pvr.inc
 PREFERRED_PROVIDER_virtual/gpudriver ?= ""
 PVR_DISPLAY_CONTROLLER_ALIAS ?= "omapdrm"
 
diff --git a/meta-ti-bsp/conf/machine/include/ti33x.inc b/meta-ti-bsp/conf/machine/include/ti33x.inc
index 4f6d90bf..bce88309 100644
--- a/meta-ti-bsp/conf/machine/include/ti33x.inc
+++ b/meta-ti-bsp/conf/machine/include/ti33x.inc
@@ -13,6 +13,7 @@ PREFERRED_PROVIDER_virtual/bootloader ?= "u-boot-ti-staging"
 PREFERRED_PROVIDER_u-boot ?= "u-boot-ti-staging"
 
 # Graphics providers and variables
+require conf/machine/include/mesa-pvr.inc
 PREFERRED_PROVIDER_virtual/gpudriver ?= ""
 PVR_DISPLAY_CONTROLLER_ALIAS ?= "tilcdc"
 
diff --git a/meta-ti-bsp/conf/machine/include/ti43x.inc b/meta-ti-bsp/conf/machine/include/ti43x.inc
index 5b40925e..c1009dc6 100644
--- a/meta-ti-bsp/conf/machine/include/ti43x.inc
+++ b/meta-ti-bsp/conf/machine/include/ti43x.inc
@@ -13,6 +13,7 @@ PREFERRED_PROVIDER_virtual/bootloader ?= "u-boot-ti-staging"
 PREFERRED_PROVIDER_u-boot ?= "u-boot-ti-staging"
 
 # Graphics providers and variables
+require conf/machine/include/mesa-pvr.inc
 PREFERRED_PROVIDER_virtual/gpudriver ?= ""
 PVR_DISPLAY_CONTROLLER_ALIAS ?= "omapdrm"