From: "Ville Syrjälä" <ville.syrjala@linux.intel.com>
To: Matt Roper <matthew.d.roper@intel.com>
Cc: intel-gfx@lists.freedesktop.org
Subject: Re: [Intel-gfx] [PATCH v3 03/15] drm/i915/rkl: RKL has no MBUS_ABOX_CTL{1, 2}
Date: Thu, 4 Jun 2020 21:31:39 +0300 [thread overview]
Message-ID: <20200604183139.GC6112@intel.com> (raw)
In-Reply-To: <20200603211529.3005059-4-matthew.d.roper@intel.com>
On Wed, Jun 03, 2020 at 02:15:17PM -0700, Matt Roper wrote:
> Although RKL is a gen12 platform, it doesn't have the two extra
> instances of the ABOX control register; we should only program
> the single MBUS_ABOX_CTL on this platform.
>
> Bspec: 50096
> Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
> ---
> drivers/gpu/drm/i915/display/intel_display_power.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_display_power.c b/drivers/gpu/drm/i915/display/intel_display_power.c
> index 2c1ce50b572b..37847b3d733c 100644
> --- a/drivers/gpu/drm/i915/display/intel_display_power.c
> +++ b/drivers/gpu/drm/i915/display/intel_display_power.c
> @@ -4772,7 +4772,7 @@ static void icl_mbus_init(struct drm_i915_private *dev_priv)
> MBUS_ABOX_BW_CREDIT(1);
>
> intel_de_rmw(dev_priv, MBUS_ABOX_CTL, mask, val);
> - if (INTEL_GEN(dev_priv) >= 12) {
> + if (INTEL_GEN(dev_priv) >= 12 && !IS_ROCKETLAKE(dev_priv)) {
> intel_de_rmw(dev_priv, MBUS_ABOX1_CTL, mask, val);
> intel_de_rmw(dev_priv, MBUS_ABOX2_CTL, mask, val);
> }
Can't find anyting definitive in bspec, so not 100% sure but
since you say it gives unclaim reg errors it seems correct.
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Though I think I'd like to see that HAS_ABOX() thing I suggested
and use it here as well.
> --
> 2.24.1
>
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/intel-gfx
--
Ville Syrjälä
Intel
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next prev parent reply other threads:[~2020-06-04 18:31 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-03 21:15 [Intel-gfx] [PATCH v3 00/15] Remaining RKL patches Matt Roper
2020-06-03 21:15 ` [Intel-gfx] [PATCH v3 01/15] drm/i915/rkl: Set transcoder mask properly Matt Roper
2020-06-04 15:34 ` Ville Syrjälä
2020-06-03 21:15 ` [Intel-gfx] [PATCH v3 02/15] drm/i915/rkl: Program BW_BUDDY0 registers instead of BW_BUDDY1/2 Matt Roper
2020-06-03 22:34 ` Aditya Swarup
2020-06-03 23:12 ` Matt Roper
2020-06-04 1:18 ` Aditya Swarup
2020-06-04 17:01 ` Ville Syrjälä
2020-06-04 22:12 ` Matt Roper
2020-06-05 11:43 ` Ville Syrjälä
2020-06-03 21:15 ` [Intel-gfx] [PATCH v3 03/15] drm/i915/rkl: RKL has no MBUS_ABOX_CTL{1, 2} Matt Roper
2020-06-04 18:31 ` Ville Syrjälä [this message]
2020-06-03 21:15 ` [Intel-gfx] [PATCH v3 04/15] drm/i915/rkl: Handle new DPCLKA_CFGCR0 layout Matt Roper
2020-06-03 21:15 ` [Intel-gfx] [PATCH v3 05/15] drm/i915/rkl: Setup ports/phys Matt Roper
2020-06-04 17:09 ` Ville Syrjälä
2020-06-03 21:15 ` [Intel-gfx] [PATCH v3 06/15] drm/i915/rkl: provide port/phy mapping for vbt Matt Roper
2020-06-03 21:15 ` [Intel-gfx] [PATCH v3 07/15] drm/i915/rkl: Update TGP's pin mapping when paired with RKL Matt Roper
2020-06-04 18:29 ` Ville Syrjälä
2020-06-04 23:18 ` Matt Roper
2020-06-05 11:52 ` Ville Syrjälä
2020-06-03 21:15 ` [Intel-gfx] [PATCH v3 08/15] drm/i915/rkl: Add DDC pin mapping Matt Roper
2020-06-03 21:15 ` [Intel-gfx] [PATCH v3 09/15] drm/i915/rkl: Don't try to access transcoder D Matt Roper
2020-06-04 16:55 ` Ville Syrjälä
2020-06-03 21:15 ` [Intel-gfx] [PATCH v3 10/15] drm/i915/rkl: Don't try to read out DSI transcoders Matt Roper
2020-06-04 16:59 ` Ville Syrjälä
2020-06-03 21:15 ` [Intel-gfx] [PATCH v3 11/15] drm/i915/rkl: Handle comp master/slave relationships for PHYs Matt Roper
2020-06-03 21:15 ` [Intel-gfx] [PATCH v3 12/15] drm/i915/rkl: Add DPLL4 support Matt Roper
2020-06-03 21:15 ` [Intel-gfx] [PATCH v3 13/15] drm/i915/rkl: Handle HTI Matt Roper
2020-06-04 16:59 ` Ville Syrjälä
2020-06-04 22:55 ` Matt Roper
2020-06-03 21:15 ` [Intel-gfx] [PATCH v3 14/15] drm/i915/rkl: Disable PSR2 Matt Roper
2020-06-04 17:41 ` Rodrigo Vivi
2020-06-03 21:15 ` [Intel-gfx] [PATCH v3 15/15] drm/i915/rkl: Add initial workarounds Matt Roper
2020-06-03 22:02 ` [Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for Remaining RKL patches Patchwork
2020-06-03 22:03 ` [Intel-gfx] ✗ Fi.CI.SPARSE: " Patchwork
2020-06-03 22:23 ` [Intel-gfx] ✓ Fi.CI.BAT: success " Patchwork
2020-06-04 8:34 ` [Intel-gfx] ✓ Fi.CI.IGT: " Patchwork
2020-06-04 16:39 ` Matt Roper
2020-06-05 22:11 ` Chris Wilson
2020-06-06 3:21 ` Matt Roper
2020-06-06 9:01 ` Chris Wilson
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