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<body><span class="vcard"><a class="email" href="mailto:huangranbj@126.com" title="HuangRan <huangranbj@126.com>"> <span class="fn">HuangRan</span></a>
</span> changed
<a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - HDMI port is not working on current KMS driver with VX900 platform"
href="https://bugs.freedesktop.org/show_bug.cgi?id=94528">bug 94528</a>
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<th>What</th>
<th>Removed</th>
<th>Added</th>
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<td style="text-align:right;">Attachment #123040 is obsolete</td>
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</td>
<td>1
</td>
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<b><a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - HDMI port is not working on current KMS driver with VX900 platform"
href="https://bugs.freedesktop.org/show_bug.cgi?id=94528#c25">Comment # 25</a>
on <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - HDMI port is not working on current KMS driver with VX900 platform"
href="https://bugs.freedesktop.org/show_bug.cgi?id=94528">bug 94528</a>
from <span class="vcard"><a class="email" href="mailto:huangranbj@126.com" title="HuangRan <huangranbj@126.com>"> <span class="fn">HuangRan</span></a>
</span></b>
<pre>Comment on <span class="bz_obsolete"><a href="attachment.cgi?id=123040" name="attach_123040" title="Re-attach the patch per Berno's suggestion">attachment 123040</a> <a href="attachment.cgi?id=123040&action=edit" title="Re-attach the patch per Berno's suggestion">[details]</a></span>
Re-attach the patch per Berno's suggestion
<span class="quote">>From e9b4b43fe2ec157f7d402c1efb855679711d47fc Mon Sep 17 00:00:00 2001
>From: HuangRan <<a href="mailto:huangranbj@126.com">huangranbj@126.com</a>>
>Date: Tue, 19 Apr 2016 09:34:41 +0800
>Subject: [PATCH] Fix VX900 HDMI port no display issue</span >
>
<span class="quote">>Remove the write of bit6 for VGA/SVGA CRT Controller Register 0xFD
>(IGA1 Scaling Up and Timing Control). Bit6 of CRTC 0xFD is RO bit
>which can't be written. Verfied on VX900 board for HDMI port.</span >
>
<span class="quote">>Signed-off-by: Hu, Yi<<a href="mailto:huyi@iscas.ac.cn">huyi@iscas.ac.cn</a>>
>Signed-off-by: Huang, Ran<<a href="mailto:huangranbj@126.com">huangranbj@126.com</a>>
>---
> drivers/gpu/drm/via/via_crtc.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)</span >
>
<span class="quote">>diff --git a/drivers/gpu/drm/via/via_crtc.c b/drivers/gpu/drm/via/via_crtc.c
>index fa29270..a50e654 100644
>--- a/drivers/gpu/drm/via/via_crtc.c
>+++ b/drivers/gpu/drm/via/via_crtc.c
>@@ -468,7 +468,7 @@ void via_load_crtc_pixel_timing(struct drm_crtc *crtc, struct drm_display_mode *
> svga_wcrt_mask(VGABASE, 0x32, 0x00, BIT(2));
>
> }
>- svga_wcrt_mask(VGABASE, 0xFD, BIT(5) | BIT(6), BIT(5) | BIT(6));
>+ svga_wcrt_mask(VGABASE, 0xFD, BIT(5), BIT(5));
> }
>
> /* Load CRTC timing registers */
>@@ -484,7 +484,7 @@ void via_load_crtc_timing(struct via_crtc *iga, struct drm_display_mode *mode)
> svga_wcrt_mask(VGABASE, 0x45, 0x00, BIT(0));
>
> /* Disable IGA1 pixel timing */
>- svga_wcrt_mask(VGABASE, 0xFD, 0x00, BIT(6) | BIT(5));
>+ svga_wcrt_mask(VGABASE, 0xFD, 0x00, BIT(5));
> }
>
> reg_value = IGA1_HOR_TOTAL_FORMULA(mode->crtc_htotal);
>--
>1.9.1</span >
></pre>
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