Re: [PATCH v8 09/34] dt-bindings: host1x: Document Memory Client resets of Host1x, GR2D and GR3D
From: Rob Herring <robh@kernel.org>
Date: 2021-08-18 01:16:28
Also in:
dri-devel, linux-clk, linux-media, linux-mmc, linux-pm, linux-pwm, linux-spi, linux-staging, linux-tegra, linux-usb, lkml
On Tue, Aug 17, 2021 at 04:27:29AM +0300, Dmitry Osipenko wrote:
quoted hunk ↗ jump to hunk
Memory Client should be blocked before hardware reset is asserted in order to prevent memory corruption and hanging of memory controller. Document Memory Client resets of Host1x, GR2D and GR3D hardware units. Signed-off-by: Dmitry Osipenko <digetx@gmail.com> --- .../bindings/display/tegra/nvidia,tegra20-host1x.txt | 4 ++++ 1 file changed, 4 insertions(+)diff --git a/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-host1x.txt b/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-host1x.txt index 62861a8fb5c6..07a08653798b 100644 --- a/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-host1x.txt +++ b/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-host1x.txt@@ -18,6 +18,7 @@ Required properties: - resets: Must contain an entry for each entry in reset-names. See ../reset/reset.txt for details. - reset-names: Must include the following entries: + - mc - host1x
New entries should be at the end. Order matters.
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Optional properties:@@ -197,6 +198,7 @@ of the following host1x client modules: - resets: Must contain an entry for each entry in reset-names. See ../reset/reset.txt for details. - reset-names: Must include the following entries: + - mc - 2d Optional properties:@@ -222,6 +224,8 @@ of the following host1x client modules: - resets: Must contain an entry for each entry in reset-names. See ../reset/reset.txt for details. - reset-names: Must include the following entries: + - mc + - mc2 (Only required on SoCs with two 3D clocks) - 3d - 3d2 (Only required on SoCs with two 3D clocks)-- 2.32.0