Attachment 103065 Details for Bug 81476 – display scanout limit is 4k on avivo boards

[patch] display scanout limit is 4k on avivo boards

0001-drm-radeon-limit-max-display-surface-to-4k-on-avivo.patch (text/plain), 1.11 KB, created by Alex Deucher on 2014-07-18 21:53:12 UTC

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Creator: Alex Deucher

Created: 2014-07-18 21:53:12 UTC

Size: 1.11 KB

patch

obsolete

>From dd9681b71955cad198ab5ff7fe288a064120ecb7 Mon Sep 17 00:00:00 2001
>From: Alex Deucher <alexander.deucher@amd.com>
>Date: Fri, 18 Jul 2014 17:48:06 -0400
>Subject: [PATCH] drm/radeon: limit max display surface to 4k on avivo
>
>While the registers indicate 8k, the hardware only seems to
>work up to 4k.
>
>bug:
>https://bugs.freedesktop.org/show_bug.cgi?id=81476
>
>Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
>Cc: stable@vger.kernel.org
>---
> drivers/gpu/drm/radeon/radeon_display.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
>diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c
>index 2ba80df..f8ce885 100644
>--- a/drivers/gpu/drm/radeon/radeon_display.c
>+++ b/drivers/gpu/drm/radeon/radeon_display.c
>@@ -1547,7 +1547,7 @@ int radeon_modeset_init(struct radeon_device *rdev)
> 	if (ASIC_IS_DCE5(rdev)) {
> 		rdev->ddev->mode_config.max_width = 16384;
> 		rdev->ddev->mode_config.max_height = 16384;
>-	} else if (ASIC_IS_AVIVO(rdev)) {
>+	} else if (ASIC_IS_DCE2(rdev)) {
> 		rdev->ddev->mode_config.max_width = 8192;
> 		rdev->ddev->mode_config.max_height = 8192;
> 	} else {
>-- 
>1.8.3.1
>

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Attachments on bug 81476: 103009 | 103052 | 103065

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