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<base href="https://bugs.freedesktop.org/">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [[g620] [UXA XV]] No xv with uxa"
href="https://bugs.freedesktop.org/show_bug.cgi?id=100590">100590</a>
</td>
</tr>
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<th>Summary</th>
<td>[[g620] [UXA XV]] No xv with uxa
</td>
</tr>
<tr>
<th>Product</th>
<td>xorg
</td>
</tr>
<tr>
<th>Version</th>
<td>git
</td>
</tr>
<tr>
<th>Hardware</th>
<td>x86-64 (AMD64)
</td>
</tr>
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<th>OS</th>
<td>Linux (All)
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>major
</td>
</tr>
<tr>
<th>Priority</th>
<td>medium
</td>
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<th>Component</th>
<td>Driver/intel
</td>
</tr>
<tr>
<th>Assignee</th>
<td>chris@chris-wilson.co.uk
</td>
</tr>
<tr>
<th>Reporter</th>
<td>artem.astafyev@gmail.com
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr></table>
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<pre>Description: No xv when using uxa acceleration method.
Expected result: xvinfo shows list of xv adapters.
Expected result: xvinfo shows "no adaptors present".
Source: xserver-xorg-video-intel-2.99.917+git20170309
I identified that the problem is in src/uxa/intel_video.c file intel_video_init
function:
if (!intel->force_fallback &&
scrn->bitsPerPixel >= 16 &&
INTEL_INFO(intel)->gen >= 030 &&
INTEL_INFO(intel)->gen < 0100) {
texturedAdaptor = intel_uxa_video_setup_image_textured(screen);
if (texturedAdaptor != NULL) {
xf86DrvMsg(scrn->scrnIndex, X_INFO,
"Set up textured video\n");
} else {
xf86DrvMsg(scrn->scrnIndex, X_ERROR,
"Failed to set up textured video\n");
}
}
In my case INTEL_INFO(intel)->gen==74 so I should get either "Set up textured
video\n" or "Failed to set up textured video\n" message in Xorg log. But there
is nothing in the log:
[ 39864.856] (==) Depth 24 pixmap format is 32 bpp
[ 39864.856] (II) intel(0): Allocated new frame buffer 5120x1800 stride 20480,
tiled
[ 39864.856] (II) UXA(0): Driver registered support for the following
operations:
[ 39864.856] (II) solid
[ 39864.856] (II) copy
[ 39864.856] (II) put_image
[ 39864.856] (II) get_image
[ 39864.856] (II) intel(0): [DRI2] Setup complete
[ 39864.856] (II) intel(0): [DRI2] DRI driver: i965
[ 39864.856] (II) intel(0): [DRI2] VDPAU driver: va_gl
[ 39864.856] (==) intel(0): Backing store enabled
[ 39864.856] (==) intel(0): Silken mouse enabled
[ 39864.856] (II) intel(0): Initializing HW Cursor
[ 39864.856] (II) intel(0): RandR 1.2 enabled, ignore the following RandR
disabled message.
[ 39864.856] (==) intel(0): DPMS enabled
[ 39864.856] (==) intel(0): Intel XvMC decoder enabled
[ 39864.856] (WW) intel(0): Disabling Xv because no adaptors could be
initialized.
[ 39864.856] (II) intel(0): DRI2: Enabled
[ 39864.856] (II) intel(0): DRI3: Enabled
I even tried such condition with zero result:
if (INTEL_INFO(intel)->gen >= 030 &&
INTEL_INFO(intel)->gen < 0100) {
It started working only with the following condition:
if (!intel->force_fallback &&
scrn->bitsPerPixel >= 16 &&
INTEL_INFO(intel)->gen >= 030) {
I wonder why it happened, the only thing I think it can be some compiler
optimizations which break the logic. Anyway after this fix everything works as
expected:
[ 16960.400] (==) Depth 24 pixmap format is 32 bpp
[ 16960.400] (II) intel(0): Allocated new frame buffer 5120x1800 stride 20480,
tiled
[ 16960.400] (II) UXA(0): Driver registered support for the following
operations:
[ 16960.400] (II) solid
[ 16960.400] (II) copy
[ 16960.400] (II) put_image
[ 16960.400] (II) get_image
[ 16960.400] (II) intel(0): [DRI2] Setup complete
[ 16960.400] (II) intel(0): [DRI2] DRI driver: i965
[ 16960.400] (II) intel(0): [DRI2] VDPAU driver: va_gl
[ 16960.400] (==) intel(0): Backing store enabled
[ 16960.400] (==) intel(0): Silken mouse enabled
[ 16960.400] (II) intel(0): Initializing HW Cursor
[ 16960.400] (II) intel(0): RandR 1.2 enabled, ignore the following RandR
disabled message.
[ 16960.400] (==) intel(0): DPMS enabled
[ 16960.400] (==) intel(0): Intel XvMC decoder enabled
[ 16960.400] (II) intel(0): Set up textured video
[ 16960.400] (II) intel(0): [XvMC] xvmc_vld driver initialized.
[ 16960.400] (II) intel(0): DRI2: Enabled
[ 16960.400] (II) intel(0): DRI3: Enabled</pre>
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