diff mbox series

[5.4,06/53] drm/amdgpu: disable MMHUB PG for Picasso

Message ID	20220228172248.781814311@linuxfoundation.org
State	New
Headers	show Return-Path: <stable-owner@kernel.org> From: Greg Kroah-Hartman <gregkh@linuxfoundation.org> To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>, stable@vger.kernel.org, Evan Quan <evan.quan@amd.com>, Alex Deucher <alexander.deucher@amd.com> Subject: [PATCH 5.4 06/53] drm/amdgpu: disable MMHUB PG for Picasso Date: Mon, 28 Feb 2022 18:24:04 +0100 Message-Id: <20220228172248.781814311@linuxfoundation.org> In-Reply-To: <20220228172248.232273337@linuxfoundation.org> References: <20220228172248.232273337@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk
Series	None \| expand [5.4,02/53] clk: jz4725b: fix mmc0 clock gating [5.4,06/53] drm/amdgpu: disable MMHUB PG for Picasso [5.4,07/53] sr9700: sanity check for packet length [5.4,08/53] USB: zaurus: support another broken Zaurus [5.4,10/53] x86/fpu: Correct pkru/xstate inconsistency [5.4,13/53] lan743x: fix deadlock in lan743x_phy_link_status_change() [5.4,15/53] perf data: Fix double free in perf_session__delete() [5.4,16/53] bpf: Do not try bpf_msg_push_data with len 0 [5.4,19/53] gso: do not skip outer ip header in case of ipip and net_failover [5.4,22/53] net/mlx5e: Fix wrong return value on ioctl EEPROM query failure [5.4,24/53] net: Force inlining of checksum functions in net/checksum.h [5.4,25/53] nfp: flower: Fix a potential leak in nfp_tunnel_add_shared_mac() [5.4,27/53] net/mlx5: Fix possible deadlock on rule deletion [5.4,30/53] configfs: fix a race in configfs_{,un}register_subsystem() [5.4,32/53] tracing: Have traceon and traceoff trigger honor the instance [5.4,33/53] iio: adc: men_z188_adc: Fix a resource leak in an error handling path [5.4,34/53] iio: adc: ad7124: fix mask used for setting AIN_BUFP & AIN_BUFM bits [5.4,35/53] iio: Fix error handling for PM [5.4,36/53] ata: pata_hpt37x: disable primary channel on HPT371 [5.4,40/53] tracefs: Set the group ownership in apply_options() not parse_options() [5.4,41/53] USB: serial: option: add support for DW5829e [5.4,43/53] usb: dwc3: pci: Fix Bay Trail phy GPIO mappings [5.4,44/53] usb: dwc3: gadget: Let the interrupt handler disable bottom halves. [5.4,46/53] xhci: Prevent futile URB re-submissions due to incorrect return value. [5.4,48/53] tty: n_gsm: fix proper link termination after failed open [5.4,49/53] tty: n_gsm: fix NULL pointer access due to DLCI release

Commit Message

Greg KH Feb. 28, 2022, 5:24 p.m. UTC

From: Evan Quan <evan.quan@amd.com>

commit f626dd0ff05043e5a7154770cc7cda66acee33a3 upstream.

MMHUB PG needs to be disabled for Picasso for stability reasons.

Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/gpu/drm/amd/amdgpu/soc15.c |    5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff mbox series

Patch

--- a/drivers/gpu/drm/amd/amdgpu/soc15.c
+++ b/drivers/gpu/drm/amd/amdgpu/soc15.c
@@ -1143,8 +1143,11 @@  static int soc15_common_early_init(void
 				AMD_CG_SUPPORT_SDMA_MGCG |
 				AMD_CG_SUPPORT_SDMA_LS;
 
+			/*
+			 * MMHUB PG needs to be disabled for Picasso for
+			 * stability reasons.
+			 */
 			adev->pg_flags = AMD_PG_SUPPORT_SDMA |
-				AMD_PG_SUPPORT_MMHUB |
 				AMD_PG_SUPPORT_VCN;
 		} else {
 			adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |