From: Jesse Barnes <jbarnes@virtuousgeek.org>
To: ville.syrjala@linux.intel.com
Cc: intel-gfx@lists.freedesktop.org
Subject: Re: [PATCH 5/6] drm/i915: Clear GDSR after reset on ILK
Date: Tue, 20 May 2014 11:38:33 -0700 [thread overview]
Message-ID: <20140520113833.08d30be2@jbarnes-desktop> (raw)
In-Reply-To: <1400516607-25840-6-git-send-email-ville.syrjala@linux.intel.com>
On Mon, 19 May 2014 19:23:26 +0300
ville.syrjala@linux.intel.com wrote:
> From: Ville Syrjälä <ville.syrjala@linux.intel.com>
>
> Clear the reset domain after a succesful GPU reset on ilk. We already
> do that on gen4, so let's try to be a bit more consistent. And if
> ether render or media reset fails, we might use the leftover value
> in the register to pinpoint the culprit.
>
> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
> ---
> drivers/gpu/drm/i915/intel_uncore.c | 10 ++++++++--
> 1 file changed, 8 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c
> index 5c29cfe..cd0d6e2 100644
> --- a/drivers/gpu/drm/i915/intel_uncore.c
> +++ b/drivers/gpu/drm/i915/intel_uncore.c
> @@ -1004,8 +1004,14 @@ static int ironlake_do_reset(struct drm_device *dev)
>
> I915_WRITE(MCHBAR_MIRROR_BASE + ILK_GDSR,
> ILK_GRDOM_MEDIA | ILK_GRDOM_RESET_ENABLE);
> - return wait_for((I915_READ(MCHBAR_MIRROR_BASE + ILK_GDSR) &
> - ILK_GRDOM_RESET_ENABLE) == 0, 500);
> + ret = wait_for((I915_READ(MCHBAR_MIRROR_BASE + ILK_GDSR) &
> + ILK_GRDOM_RESET_ENABLE) == 0, 500);
> + if (ret)
> + return ret;
> +
> + I915_WRITE(MCHBAR_MIRROR_BASE + ILK_GDSR, 0);
> +
> + return 0;
> }
>
> static int gen6_do_reset(struct drm_device *dev)
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
--
Jesse Barnes, Intel Open Source Technology Center
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next prev parent reply other threads:[~2014-05-20 18:38 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-19 16:23 [PATCH 0/6] drm/i915: g4x/ilk reset fixes ville.syrjala
2014-05-19 16:23 ` [PATCH 1/6] drm/i915: Drop bogus comments about display reset ville.syrjala
2014-05-19 16:29 ` Jesse Barnes
2014-05-19 16:23 ` [PATCH 2/6] drm/i915: Fix ILK reset wait ville.syrjala
2014-05-19 16:30 ` Jesse Barnes
2014-05-20 8:01 ` Daniel Vetter
2014-05-20 8:18 ` Ville Syrjälä
2014-05-20 8:43 ` Daniel Vetter
2014-05-19 16:23 ` [PATCH 3/6] drm/i915: Fix ILK GPU reset domain bits ville.syrjala
2014-05-19 16:32 ` Jesse Barnes
2014-05-19 16:23 ` [PATCH 4/6] drm/i915: Kill RMW from ILK reset code ville.syrjala
2014-05-20 18:37 ` Jesse Barnes
2014-05-19 16:23 ` [PATCH 5/6] drm/i915: Clear GDSR after reset on ILK ville.syrjala
2014-05-20 18:38 ` Jesse Barnes [this message]
2014-05-19 16:23 ` [PATCH 6/6] drm/i915: Implement WaVcpClkGateDisableForMediaReset:ctg, elk ville.syrjala
2014-05-20 18:46 ` Jesse Barnes
2014-05-22 14:35 ` Daniel Vetter
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