From 20ea6adbf199097c4f5f591ffee088340630dae4 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= Date: Mon, 16 May 2022 23:40:32 +0200 Subject: bcm27xx: add support for linux v5.15 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Build system: x86_64 Build-tested: bcm2708, bcm2709, bcm2710, bcm2711 Run-tested: bcm2708/RPiB+, bcm2709/RPi3B, bcm2710/RPi3B, bcm2711/RPi4B Signed-off-by: Marty Jones Signed-off-by: Álvaro Fernández Rojas --- ...-v3d-Suppress-all-but-the-first-MMU-error.patch | 39 ++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 target/linux/bcm27xx/patches-5.15/950-0178-drm-v3d-Suppress-all-but-the-first-MMU-error.patch (limited to 'target/linux/bcm27xx/patches-5.15/950-0178-drm-v3d-Suppress-all-but-the-first-MMU-error.patch') diff --git a/target/linux/bcm27xx/patches-5.15/950-0178-drm-v3d-Suppress-all-but-the-first-MMU-error.patch b/target/linux/bcm27xx/patches-5.15/950-0178-drm-v3d-Suppress-all-but-the-first-MMU-error.patch new file mode 100644 index 0000000000..c50260bc26 --- /dev/null +++ b/target/linux/bcm27xx/patches-5.15/950-0178-drm-v3d-Suppress-all-but-the-first-MMU-error.patch @@ -0,0 +1,39 @@ +From ab12e353a3c4ecc58aac15a8ee5e98b12537d0a8 Mon Sep 17 00:00:00 2001 +From: Phil Elwell +Date: Mon, 11 Nov 2019 20:18:08 +0000 +Subject: [PATCH] drm/v3d: Suppress all but the first MMU error + +The v3d driver currently encounters a lot of MMU PTE exceptions, so +only log the first to avoid swamping the kernel log. + +Signed-off-by: Phil Elwell +--- + drivers/gpu/drm/v3d/v3d_irq.c | 3 +++ + 1 file changed, 3 insertions(+) + +--- a/drivers/gpu/drm/v3d/v3d_irq.c ++++ b/drivers/gpu/drm/v3d/v3d_irq.c +@@ -177,6 +177,7 @@ v3d_hub_irq(int irq, void *arg) + "GMP", + }; + const char *client = "?"; ++ static int logged_error; + + V3D_WRITE(V3D_MMU_CTL, V3D_READ(V3D_MMU_CTL)); + +@@ -186,6 +187,7 @@ v3d_hub_irq(int irq, void *arg) + client = v3d41_axi_ids[axi_id]; + } + ++ if (!logged_error) + dev_err(v3d->drm.dev, "MMU error from client %s (%d) at 0x%llx%s%s%s\n", + client, axi_id, (long long)vio_addr, + ((intsts & V3D_HUB_INT_MMU_WRV) ? +@@ -194,6 +196,7 @@ v3d_hub_irq(int irq, void *arg) + ", pte invalid" : ""), + ((intsts & V3D_HUB_INT_MMU_CAP) ? + ", cap exceeded" : "")); ++ logged_error = 1; + status = IRQ_HANDLED; + } + -- cgit v1.2.3