Attachment 137721 Details for Bug 99353 – possible fix for radeon

[patch] possible fix for radeon

0001-drm-radeon-fix-KV-harvesting.patch (text/plain), 2.31 KB, created by Alex Deucher on 2018-03-01 16:07:13 UTC

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Creator: Alex Deucher

Created: 2018-03-01 16:07:13 UTC

Size: 2.31 KB

patch

obsolete

>From c8507ef0cb87b330c378dac43a1d45cce012b254 Mon Sep 17 00:00:00 2001
>From: Alex Deucher <alexander.deucher@amd.com>
>Date: Thu, 1 Mar 2018 11:03:27 -0500
>Subject: [PATCH 1/2] drm/radeon: fix KV harvesting
>
>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
>Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
>Cc: stable@vger.kernel.org
>---
> drivers/gpu/drm/radeon/cik.c | 31 ++-----------------------------
> 1 file changed, 2 insertions(+), 29 deletions(-)
>
>diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c
>index d3045a371a55..7c73bc7e2f85 100644
>--- a/drivers/gpu/drm/radeon/cik.c
>+++ b/drivers/gpu/drm/radeon/cik.c
>@@ -3221,35 +3221,8 @@ static void cik_gpu_init(struct radeon_device *rdev)
> 	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;
>-- 
>2.13.6
>

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Attachments on bug 99353: 132559 | 132564 | 132565 | 137013 | 137014 | 137183 | 137313 | 137374 | 137448 | 137521 | 137550 | 137682 | 137721 | 137722 | 137740

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