From: Rodrigo Vivi <rodrigo.vivi@intel.com>
To: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
Cc: intel-gfx@lists.freedesktop.org
Subject: Re: [PATCH] drm/i915/psr: Check if VBT says PSR can be enabled.
Date: Wed, 9 May 2018 05:29:14 -0700 [thread overview]
Message-ID: <20180509122914.GD2552@intel.com> (raw)
In-Reply-To: <20180509003524.3199-1-dhinakaran.pandiyan@intel.com>
On Tue, May 08, 2018 at 05:35:24PM -0700, Dhinakaran Pandiyan wrote:
> Driver features data block has a boolean flag for PSR, use this to decide
> whether PSR should be enabled on a platform. The module parameter can
> still be used to override this.
>
> Note: The feature currently remains disabled by default for all platforms
> irrespective of what VBT says.
>
> Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
> Signed-off-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
> ---
> drivers/gpu/drm/i915/i915_drv.h | 1 +
> drivers/gpu/drm/i915/intel_bios.c | 1 +
> drivers/gpu/drm/i915/intel_psr.c | 7 +++++--
> 3 files changed, 7 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
> index 04e27806e581..24c5e4765afd 100644
> --- a/drivers/gpu/drm/i915/i915_drv.h
> +++ b/drivers/gpu/drm/i915/i915_drv.h
> @@ -1073,6 +1073,7 @@ struct intel_vbt_data {
> } edp;
>
> struct {
> + bool enable;
> bool full_link;
> bool require_aux_wakeup;
> int idle_frames;
> diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c
> index 702d3fab97fc..54270bdde100 100644
> --- a/drivers/gpu/drm/i915/intel_bios.c
> +++ b/drivers/gpu/drm/i915/intel_bios.c
> @@ -530,6 +530,7 @@ parse_driver_features(struct drm_i915_private *dev_priv,
> */
> if (!driver->drrs_enabled)
> dev_priv->vbt.drrs_type = DRRS_NOT_SUPPORTED;
> + dev_priv->vbt.psr.enable = driver->psr_enabled;
> }
>
> static void
> diff --git a/drivers/gpu/drm/i915/intel_psr.c b/drivers/gpu/drm/i915/intel_psr.c
> index 6233a322aac5..db27f2faa1de 100644
> --- a/drivers/gpu/drm/i915/intel_psr.c
> +++ b/drivers/gpu/drm/i915/intel_psr.c
> @@ -1173,9 +1173,12 @@ void intel_psr_init(struct drm_i915_private *dev_priv)
> if (!dev_priv->psr.sink_support)
> return;
>
> - /* Per platform default: all disabled. */
> - if (i915_modparams.enable_psr == -1)
> + if (i915_modparams.enable_psr == -1) {
> + i915_modparams.enable_psr = dev_priv->vbt.psr.enable;
> +
> + /* Per platform default: all disabled. */
> i915_modparams.enable_psr = 0;
> + }
>
> /* Set link_standby x link_off defaults */
> if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv))
> --
> 2.14.1
>
_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx
next prev parent reply other threads:[~2018-05-09 12:29 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-05-09 0:35 [PATCH] drm/i915/psr: Check if VBT says PSR can be enabled Dhinakaran Pandiyan
2018-05-09 0:43 ` ✗ Fi.CI.SPARSE: warning for " Patchwork
2018-05-09 1:03 ` ✓ Fi.CI.BAT: success " Patchwork
2018-05-09 4:37 ` ✓ Fi.CI.IGT: " Patchwork
2018-05-09 12:29 ` Rodrigo Vivi [this message]
2018-05-09 13:59 ` [PATCH] " Rodrigo Vivi
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20180509122914.GD2552@intel.com \
--to=rodrigo.vivi@intel.com \
--cc=dhinakaran.pandiyan@intel.com \
--cc=intel-gfx@lists.freedesktop.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox