Attachment 113797 Details for Bug 35970 – possible fix

[patch] possible fix

0001-drm-radeon-fix-doublescan-modes.patch (text/plain), 1.37 KB, created by Alex Deucher on 2015-02-24 16:31:30 UTC

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Creator: Alex Deucher

Created: 2015-02-24 16:31:30 UTC

Size: 1.37 KB

patch

obsolete

>From d338a030f87e5d3ff51dce323106d68a78fd90ad Mon Sep 17 00:00:00 2001
>From: Alex Deucher <alexander.deucher@amd.com>
>Date: Tue, 24 Feb 2015 11:29:21 -0500
>Subject: [PATCH] drm/radeon: fix doublescan modes
>
>Use the correct flags for atom.
>
>Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
>Cc: stable@vger.kernel.org
>---
> drivers/gpu/drm/radeon/atombios_crtc.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
>diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c
>index ed644a4..2277161 100644
>--- a/drivers/gpu/drm/radeon/atombios_crtc.c
>+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
>@@ -331,7 +331,7 @@ atombios_set_crtc_dtd_timing(struct drm_crtc *crtc,
> 	if (mode->flags & DRM_MODE_FLAG_INTERLACE)
> 		misc |= ATOM_INTERLACE;
> 	if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
>-		misc |= ATOM_DOUBLE_CLOCK_MODE;
>+		misc |= ATOM_H_REPLICATIONBY2 | ATOM_V_REPLICATIONBY2;
> 
> 	args.susModeMiscInfo.usAccess = cpu_to_le16(misc);
> 	args.ucCRTC = radeon_crtc->crtc_id;
>@@ -375,7 +375,7 @@ static void atombios_crtc_set_timing(struct drm_crtc *crtc,
> 	if (mode->flags & DRM_MODE_FLAG_INTERLACE)
> 		misc |= ATOM_INTERLACE;
> 	if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
>-		misc |= ATOM_DOUBLE_CLOCK_MODE;
>+		misc |= ATOM_H_REPLICATIONBY2 | ATOM_V_REPLICATIONBY2;
> 
> 	args.susModeMiscInfo.usAccess = cpu_to_le16(misc);
> 	args.ucCRTC = radeon_crtc->crtc_id;
>-- 
>1.8.3.1
>

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Attachments on bug 35970: 45244 | 45245 | 45246 | 45247 | 113794 | 113797

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