This is a note to let you know that I've just added the patch titled drm/radeon: fix KV harvesting to the 4.4-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: drm-radeon-fix-kv-harvesting.patch and it can be found in the queue-4.4 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From 0b58d90f89545e021d188c289fa142e5ff9e708b Mon Sep 17 00:00:00 2001 From: Alex Deucher <alexander.deucher@xxxxxxx> Date: Thu, 1 Mar 2018 11:03:27 -0500 Subject: drm/radeon: fix KV harvesting MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Alex Deucher <alexander.deucher@xxxxxxx> commit 0b58d90f89545e021d188c289fa142e5ff9e708b upstream. Always set the graphics values to the max for the asic type. E.g., some 1 RB chips are actually 1 RB chips, others are actually harvested 2 RB chips. Fixes: https://bugs.freedesktop.org/show_bug.cgi?id=99353 Reviewed-by: Christian König <christian.koenig@xxxxxxx> Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx> Cc: stable@xxxxxxxxxxxxxxx Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/gpu/drm/radeon/cik.c | 31 ++----------------------------- 1 file changed, 2 insertions(+), 29 deletions(-) --- a/drivers/gpu/drm/radeon/cik.c +++ b/drivers/gpu/drm/radeon/cik.c @@ -3599,35 +3599,8 @@ static void cik_gpu_init(struct radeon_d case CHIP_KAVERI: rdev->config.cik.max_shader_engines = 1; rdev->config.cik.max_tile_pipes = 4; - if ((rdev->pdev->device == 0x1304) || - (rdev->pdev->device == 0x1305) || - (rdev->pdev->device == 0x130C) || - (rdev->pdev->device == 0x130F) || - (rdev->pdev->device == 0x1310) || - (rdev->pdev->device == 0x1311) || - (rdev->pdev->device == 0x131C)) { - rdev->config.cik.max_cu_per_sh = 8; - rdev->config.cik.max_backends_per_se = 2; - } else if ((rdev->pdev->device == 0x1309) || - (rdev->pdev->device == 0x130A) || - (rdev->pdev->device == 0x130D) || - (rdev->pdev->device == 0x1313) || - (rdev->pdev->device == 0x131D)) { - rdev->config.cik.max_cu_per_sh = 6; - rdev->config.cik.max_backends_per_se = 2; - } else if ((rdev->pdev->device == 0x1306) || - (rdev->pdev->device == 0x1307) || - (rdev->pdev->device == 0x130B) || - (rdev->pdev->device == 0x130E) || - (rdev->pdev->device == 0x1315) || - (rdev->pdev->device == 0x1318) || - (rdev->pdev->device == 0x131B)) { - rdev->config.cik.max_cu_per_sh = 4; - rdev->config.cik.max_backends_per_se = 1; - } else { - rdev->config.cik.max_cu_per_sh = 3; - rdev->config.cik.max_backends_per_se = 1; - } + rdev->config.cik.max_cu_per_sh = 8; + rdev->config.cik.max_backends_per_se = 2; rdev->config.cik.max_sh_per_se = 1; rdev->config.cik.max_texture_channel_caches = 4; rdev->config.cik.max_gprs = 256; Patches currently in stable-queue which might be from alexander.deucher@xxxxxxx are queue-4.4/drm-amdgpu-notify-sbios-device-ready-before-send-request.patch queue-4.4/workqueue-allow-retrieval-of-current-task-s-work-struct.patch queue-4.4/drm-radeon-fix-kv-harvesting.patch queue-4.4/drm-radeon-fix-deadlock-on-runtime-suspend.patch queue-4.4/drm-amdgpu-fix-deadlock-on-runtime-suspend.patch queue-4.4/drm-allow-determining-if-current-task-is-output-poll-worker.patch queue-4.4/drm-amdgpu-fix-kv-harvesting.patch