| Message ID | 20151217064535.30114.91840.sendpatchset@little-apple (mailing list archive) |
|---|---|
| State | RFC |
| Headers | show |
Hello. On 12/17/2015 9:45 AM, Magnus Damm wrote: > From: Magnus Damm <damm+renesas@opensource.se> > > Enable the IPMMU-MX device and hook up the DU on r8a7790, > and also include enable debug messages. > > On boards such as r8a7790 Lager the DU will with this change > included use IOMMU framework and IPMMU-MX device when driving > on-board video output via VGA, HDMI and LVDS. > > Not-Yet-Signed-off-by: Magnus Damm <damm+renesas@opensource.se> > --- > > Written against renesas-devel-20151217v2-v4.4-rc5 > > arch/arm/boot/dts/r8a7790.dtsi | 3 ++- > drivers/iommu/iommu.c | 2 +- > 2 files changed, 3 insertions(+), 2 deletions(-) > > --- 0001/arch/arm/boot/dts/r8a7790.dtsi > +++ work/arch/arm/boot/dts/r8a7790.dtsi 2015-12-17 15:38:20.890513000 +0900 > @@ -886,6 +886,7 @@ > <&mstp7_clks R8A7790_CLK_LVDS0>, > <&mstp7_clks R8A7790_CLK_LVDS1>; > clock-names = "du.0", "du.1", "du.2", "lvds.0", "lvds.1"; > + iommus = <&ipmmu_mx 15>, <&ipmmu_mx 16>; > status = "disabled"; > > ports { > @@ -1809,7 +1810,7 @@ > interrupts = <0 222 IRQ_TYPE_LEVEL_HIGH>, > <0 221 IRQ_TYPE_LEVEL_HIGH>; > #iommu-cells = <1>; > - status = "disabled"; > + status = "okay"; It's enough to just omit the "status" prop, AFAIK. [...] > --- 0001/drivers/iommu/iommu.c > +++ work/drivers/iommu/iommu.c 2015-12-17 15:38:34.880513000 +0900 > @@ -15,7 +15,7 @@ > * along with this program; if not, write to the Free Software > * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA > */ > - > +#define DEBUG Unrelated change? MBR, Sergei -- To unsubscribe from this list: send the line "unsubscribe linux-sh" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Hello. On 12/17/2015 9:45 AM, Magnus Damm wrote: > From: Magnus Damm <damm+renesas@opensource.se> > > Enable the IPMMU-MX device and hook up the DU on r8a7790, > and also include enable debug messages. > > On boards such as r8a7790 Lager the DU will with this change > included use IOMMU framework and IPMMU-MX device when driving > on-board video output via VGA, HDMI and LVDS. > > Not-Yet-Signed-off-by: Magnus Damm <damm+renesas@opensource.se> > --- > > Written against renesas-devel-20151217v2-v4.4-rc5 > > arch/arm/boot/dts/r8a7790.dtsi | 3 ++- > drivers/iommu/iommu.c | 2 +- > 2 files changed, 3 insertions(+), 2 deletions(-) > > --- 0001/arch/arm/boot/dts/r8a7790.dtsi > +++ work/arch/arm/boot/dts/r8a7790.dtsi 2015-12-17 15:38:20.890513000 +0900 > @@ -886,6 +886,7 @@ > <&mstp7_clks R8A7790_CLK_LVDS0>, > <&mstp7_clks R8A7790_CLK_LVDS1>; > clock-names = "du.0", "du.1", "du.2", "lvds.0", "lvds.1"; > + iommus = <&ipmmu_mx 15>, <&ipmmu_mx 16>; > status = "disabled"; > > ports { > @@ -1809,7 +1810,7 @@ > interrupts = <0 222 IRQ_TYPE_LEVEL_HIGH>, > <0 221 IRQ_TYPE_LEVEL_HIGH>; > #iommu-cells = <1>; > - status = "disabled"; > + status = "okay"; It's enough to just omit the "status" prop, AFAIK. [...] > --- 0001/drivers/iommu/iommu.c > +++ work/drivers/iommu/iommu.c 2015-12-17 15:38:34.880513000 +0900 > @@ -15,7 +15,7 @@ > * along with this program; if not, write to the Free Software > * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA > */ > - > +#define DEBUG Unrelated change? MBR, Sergei -- To unsubscribe from this list: send the line "unsubscribe linux-sh" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
--- 0001/arch/arm/boot/dts/r8a7790.dtsi +++ work/arch/arm/boot/dts/r8a7790.dtsi 2015-12-17 15:38:20.890513000 +0900 @@ -886,6 +886,7 @@ <&mstp7_clks R8A7790_CLK_LVDS0>, <&mstp7_clks R8A7790_CLK_LVDS1>; clock-names = "du.0", "du.1", "du.2", "lvds.0", "lvds.1"; + iommus = <&ipmmu_mx 15>, <&ipmmu_mx 16>; status = "disabled"; ports { @@ -1809,7 +1810,7 @@ interrupts = <0 222 IRQ_TYPE_LEVEL_HIGH>, <0 221 IRQ_TYPE_LEVEL_HIGH>; #iommu-cells = <1>; - status = "disabled"; + status = "okay"; }; ipmmu_rt: mmu@ffc80000 { --- 0001/drivers/iommu/iommu.c +++ work/drivers/iommu/iommu.c 2015-12-17 15:38:34.880513000 +0900 @@ -15,7 +15,7 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ - +#define DEBUG #define pr_fmt(fmt) "iommu: " fmt #include <linux/device.h>
From: Magnus Damm <damm+renesas@opensource.se> Enable the IPMMU-MX device and hook up the DU on r8a7790, and also include enable debug messages. On boards such as r8a7790 Lager the DU will with this change included use IOMMU framework and IPMMU-MX device when driving on-board video output via VGA, HDMI and LVDS. Not-Yet-Signed-off-by: Magnus Damm <damm+renesas@opensource.se> --- Written against renesas-devel-20151217v2-v4.4-rc5 arch/arm/boot/dts/r8a7790.dtsi | 3 ++- drivers/iommu/iommu.c | 2 +- 2 files changed, 3 insertions(+), 2 deletions(-) -- To unsubscribe from this list: send the line "unsubscribe linux-sh" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html