From: Arun Siluvery <arun.siluvery@linux.intel.com>
To: Chris Wilson <chris@chris-wilson.co.uk>, intel-gfx@lists.freedesktop.org
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>,
Mika Kuoppala <mika.kuoppala@intel.com>
Subject: Re: [PATCH] drm/i915: Fix cmdparser STORE/LOAD command descriptors
Date: Thu, 3 Sep 2015 11:06:38 +0100 [thread overview]
Message-ID: <55E81BAE.3000503@linux.intel.com> (raw)
In-Reply-To: <1441193380-26438-1-git-send-email-chris@chris-wilson.co.uk>
On 02/09/2015 12:29, Chris Wilson wrote:
> Fixes regression from
> commit f1afe24f0e736b9d7f2275e2b1504af3fe612f2a
> Author: Arun Siluvery <arun.siluvery@linux.intel.com>
> Date: Tue Aug 4 16:22:20 2015 +0100
>
> drm/i915: Change SRM, LRM instructions to use correct length
>
> which forgot to account for the length bias when declaring the fixed
> length.
>
> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=91844
> Reported-by: Andreas Reis <andreas.reis@gmail.com>
> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
> Cc: Dave Gordon <david.s.gordon@intel.com>
> Cc: Arun Siluvery <arun.siluvery@linux.intel.com>
> Cc: Mika Kuoppala <mika.kuoppala@intel.com>
> Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
> ---
> drivers/gpu/drm/i915/i915_cmd_parser.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/i915_cmd_parser.c b/drivers/gpu/drm/i915/i915_cmd_parser.c
> index ad7d7ab76d3f..09932cab1a3f 100644
> --- a/drivers/gpu/drm/i915/i915_cmd_parser.c
> +++ b/drivers/gpu/drm/i915/i915_cmd_parser.c
> @@ -124,14 +124,14 @@ static const struct drm_i915_cmd_descriptor common_cmds[] = {
> CMD( MI_STORE_DWORD_INDEX, SMI, !F, 0xFF, R ),
> CMD( MI_LOAD_REGISTER_IMM(1), SMI, !F, 0xFF, W,
> .reg = { .offset = 1, .mask = 0x007FFFFC, .step = 2 } ),
> - CMD( MI_STORE_REGISTER_MEM, SMI, F, 1, W | B,
> + CMD( MI_STORE_REGISTER_MEM, SMI, F, 3, W | B,
> .reg = { .offset = 1, .mask = 0x007FFFFC },
> .bits = {{
> .offset = 0,
> .mask = MI_GLOBAL_GTT,
> .expected = 0,
> }}, ),
> - CMD( MI_LOAD_REGISTER_MEM, SMI, F, 1, W | B,
> + CMD( MI_LOAD_REGISTER_MEM, SMI, F, 3, W | B,
> .reg = { .offset = 1, .mask = 0x007FFFFC },
> .bits = {{
> .offset = 0,
>
My mistake, I should have verified on Gen7 hw.
Reviewed-by: Arun Siluvery <arun.siluvery@linux.intel.com>
regards
Arun
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next prev parent reply other threads:[~2015-09-03 10:06 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-02 11:29 [PATCH] drm/i915: Fix cmdparser STORE/LOAD command descriptors Chris Wilson
2015-09-03 10:06 ` Arun Siluvery [this message]
2015-09-03 12:10 ` Mika Kuoppala
2015-09-04 8:43 ` Daniel Vetter
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