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From: "Srivatsa, Anusha" <anusha.srivatsa@intel.com>
To: "Roper, Matthew D" <matthew.d.roper@intel.com>,
	"intel-gfx@lists.freedesktop.org"
	<intel-gfx@lists.freedesktop.org>
Subject: Re: [Intel-gfx] [PATCH 16/56] drm/i915/xelpd: Required bandwidth increases when VT-d is active
Date: Fri, 12 Mar 2021 23:03:37 +0000	[thread overview]
Message-ID: <9d0ccae417204a78aa0d2c43694e73a1@intel.com> (raw)
In-Reply-To: <20210311223632.3191939-17-matthew.d.roper@intel.com>



> -----Original Message-----
> From: Intel-gfx <intel-gfx-bounces@lists.freedesktop.org> On Behalf Of Matt
> Roper
> Sent: Thursday, March 11, 2021 2:36 PM
> To: intel-gfx@lists.freedesktop.org
> Subject: [Intel-gfx] [PATCH 16/56] drm/i915/xelpd: Required bandwidth
> increases when VT-d is active
> 
> If VT-d is active, the memory bandwidth usage of the display is 5% higher.
> Take this into account when determining whether we can support a display
> configuration.
> 
> Bspec: 64631
> Cc: Matt Atwood <matthew.s.atwood@intel.com>
> Signed-off-by: Matt Roper <matthew.d.roper@intel.com>

Reviewed-by: Anusha Srivatsa <anusha.srivatsa@intel.com>

> ---
>  drivers/gpu/drm/i915/display/intel_bw.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_bw.c
> b/drivers/gpu/drm/i915/display/intel_bw.c
> index 20dbc3759d27..23cf9bf31e41 100644
> --- a/drivers/gpu/drm/i915/display/intel_bw.c
> +++ b/drivers/gpu/drm/i915/display/intel_bw.c
> @@ -344,6 +344,9 @@ static unsigned int intel_bw_data_rate(struct
> drm_i915_private *dev_priv,
>  	for_each_pipe(dev_priv, pipe)
>  		data_rate += bw_state->data_rate[pipe];
> 
> +	if (DISPLAY_VER(dev_priv) >= 13 && intel_vtd_active())
> +		data_rate = data_rate * 105 / 100;
> +
>  	return data_rate;
>  }
> 
> --
> 2.25.4
> 
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/intel-gfx
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  reply	other threads:[~2021-03-12 23:03 UTC|newest]

Thread overview: 74+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-11 22:35 [Intel-gfx] [PATCH 00/56] Introduce Alder Lake-P Matt Roper
2021-03-11 22:35 ` [Intel-gfx] [PATCH 01/56] drm/i915/display: Convert gen5/gen6 tests to IS_IRONLAKE/IS_SANDYBRIDGE Matt Roper
2021-03-12 16:50   ` Ville Syrjälä
2021-03-11 22:35 ` [Intel-gfx] [PATCH 02/56] drm/i915: Add DISPLAY_VER() Matt Roper
2021-03-11 22:35 ` [Intel-gfx] [PATCH 03/56] drm/i915/display: Eliminate most usage of INTEL_GEN() Matt Roper
2021-03-11 22:35 ` [Intel-gfx] [PATCH 04/56] drm/i915: Convert INTEL_GEN() to DISPLAY_VER() as appropriate in intel_pm.c Matt Roper
2021-03-12 20:42   ` Srivatsa, Anusha
2021-03-12 20:46     ` Matt Roper
2021-03-17 18:02       ` Jani Nikula
2021-03-11 22:35 ` [Intel-gfx] [PATCH 05/56] drm/i915: Convert INTEL_GEN() to DISPLAY_VER() as appropriate in i915_irq.c Matt Roper
2021-03-11 22:35 ` [Intel-gfx] [PATCH 06/56] drm/i915/display: Simplify GLK display version tests Matt Roper
2021-03-12 18:52   ` Ville Syrjälä
2021-03-11 22:35 ` [Intel-gfx] [PATCH 07/56] drm/i915/xelpd: add XE_LPD display characteristics Matt Roper
2021-03-11 22:35 ` [Intel-gfx] [PATCH 08/56] drm/i915/xelpd: Handle proper AUX interrupt bits Matt Roper
2021-03-12 22:41   ` Srivatsa, Anusha
2021-03-11 22:35 ` [Intel-gfx] [PATCH 09/56] drm/i915/xelpd: Enhanced pipe underrun reporting Matt Roper
2021-03-11 22:35 ` [Intel-gfx] [PATCH 10/56] drm/i915/xelpd: Define plane capabilities Matt Roper
2021-03-11 22:35 ` [Intel-gfx] [PATCH 11/56] drm/i915/xelpd: Support 128k plane stride Matt Roper
2021-03-11 22:35 ` [Intel-gfx] [PATCH 12/56] drm/i915/xelpd: Handle new location of outputs D and E Matt Roper
2021-03-11 22:35 ` [Intel-gfx] [PATCH 13/56] drm/i915/xelpd: Add XE_LPD power wells Matt Roper
2021-03-11 22:35 ` [Intel-gfx] [PATCH 14/56] drm/i915/xelpd: Handle LPSP for XE_LPD Matt Roper
2021-03-11 22:35 ` [Intel-gfx] [PATCH 15/56] drm/i915/xelpd: Increase maximum watermark lines to 255 Matt Roper
2021-03-11 22:35 ` [Intel-gfx] [PATCH 16/56] drm/i915/xelpd: Required bandwidth increases when VT-d is active Matt Roper
2021-03-12 23:03   ` Srivatsa, Anusha [this message]
2021-03-11 22:35 ` [Intel-gfx] [PATCH 17/56] drm/i915/xelpd: Add Wa_14011503030 Matt Roper
2021-03-11 22:35 ` [Intel-gfx] [PATCH 18/56] drm/i915/display/dsc: Refactor intel_dp_dsc_compute_bpp Matt Roper
2021-03-11 22:35 ` [Intel-gfx] [PATCH 19/56] drm/i915/xelpd: Support DP1.4 compression BPPs Matt Roper
2021-03-11 22:35 ` [Intel-gfx] [PATCH 20/56] drm/i915: Get slice height before computing rc params Matt Roper
2021-03-11 22:35 ` [Intel-gfx] [PATCH 21/56] drm/i915/xelpd: Calculate VDSC RC parameters Matt Roper
2021-03-11 22:35 ` [Intel-gfx] [PATCH 22/56] drm/i915/xelpd: Add rc_qp_table for rcparams calculation Matt Roper
2021-03-11 22:35 ` [Intel-gfx] [PATCH 23/56] drm/i915/xelpd: Add VRR guardband for VRR CTL Matt Roper
2021-03-11 22:36 ` [Intel-gfx] [PATCH 24/56] drm/i915/adl_p: Add PCI Devices IDs Matt Roper
2021-03-12 23:20   ` Srivatsa, Anusha
2021-03-17 18:04   ` Jani Nikula
2021-03-11 22:36 ` [Intel-gfx] [PATCH 25/56] drm/i915/adl_p: ADL_P device info enabling Matt Roper
2021-03-11 22:36 ` [Intel-gfx] [PATCH 26/56] drm/i915/adl_p: Add PCH support Matt Roper
2021-03-12 23:52   ` Srivatsa, Anusha
2021-03-11 22:36 ` [Intel-gfx] [PATCH 27/56] drm/i915/adl_p: Add dedicated SAGV watermarks Matt Roper
2021-03-11 22:36 ` [Intel-gfx] [PATCH 28/56] drm/i915/adl_p: Extend PLANE_WM bits for blocks & lines Matt Roper
2021-03-12 23:59   ` Srivatsa, Anusha
2021-03-11 22:36 ` [Intel-gfx] [PATCH 29/56] drm/i915/adl_p: Load DMC Matt Roper
2021-03-11 22:36 ` [Intel-gfx] [PATCH 30/56] drm/i915/adl_p: Setup ports/phys Matt Roper
2021-03-11 22:36 ` [Intel-gfx] [PATCH 31/56] drm/i915/adl_p: Add cdclk support for ADL-P Matt Roper
2021-03-11 22:36 ` [Intel-gfx] [PATCH 32/56] drm/i915/display/tc: Rename safe_mode functions ownership Matt Roper
2021-03-11 22:36 ` [Intel-gfx] [PATCH 33/56] drm/i915/adl_p: Handle TC cold Matt Roper
2021-03-11 22:36 ` [Intel-gfx] [PATCH 34/56] drm/i915/adl_p: Implement TC sequences Matt Roper
2021-03-11 22:36 ` [Intel-gfx] [PATCH 35/56] drm/i915/adl_p: Enable modular fia Matt Roper
2021-03-11 22:36 ` [Intel-gfx] [PATCH 36/56] drm/i915/adl_p: Don't config MBUS and DBUF during display initialization Matt Roper
2021-03-11 22:36 ` [Intel-gfx] [PATCH 37/56] drm/i915/adl_p: Add ddb allocation support Matt Roper
2021-03-11 22:36 ` [Intel-gfx] [PATCH 38/56] drm/i915: Introduce MBUS relative dbuf offsets Matt Roper
2021-03-11 22:36 ` [Intel-gfx] [PATCH 39/56] drm/i915: Move intel_modeset_all_pipes() Matt Roper
2021-03-11 22:36 ` [Intel-gfx] [PATCH 40/56] drm/i915/adl_p: MBUS programming Matt Roper
2021-03-11 22:36 ` [Intel-gfx] [PATCH 41/56] drm/i915/adl_p: Tx escape clock with DSI Matt Roper
2021-03-11 22:36 ` [Intel-gfx] [PATCH 42/56] drm/i915/adl_p: Add initial ADL_P Workarounds Matt Roper
2021-03-11 22:36 ` [Intel-gfx] [PATCH 43/56] drm/i915/adlp: Define GuC/HuC for Alderlake_P Matt Roper
2021-03-11 22:36 ` [Intel-gfx] [PATCH 44/56] drm/i915/adl_p: Define and use ADL-P specific DP translation tables Matt Roper
2021-03-11 22:36 ` [Intel-gfx] [PATCH 45/56] drm/i915/adl_p: Enable/disable loadgen sharing Matt Roper
2021-03-11 22:36 ` [Intel-gfx] [PATCH 46/56] drm/i915/adl_p: Add PLL Support Matt Roper
2021-03-11 22:36 ` [Intel-gfx] [PATCH 47/56] drm/i915/bigjoiner: Mode validation with uncompressed pipe joiner Matt Roper
2021-03-11 22:36 ` [Intel-gfx] [PATCH 48/56] drm/i915/bigjoiner: Avoid dsc_compute_config for uncompressed bigjoiner Matt Roper
2021-03-11 22:36 ` [Intel-gfx] [PATCH 49/56] drm/i915/bigjoiner: atomic commit changes for uncompressed joiner Matt Roper
2021-03-11 22:36 ` [Intel-gfx] [PATCH 50/56] drm/i915/adlp: Add PIPE_MISC2 programming Matt Roper
2021-03-11 22:36 ` [Intel-gfx] [PATCH 51/56] drm/i915/adl_p: Update memory bandwidth parameters Matt Roper
2021-03-11 22:36 ` [Intel-gfx] [PATCH 52/56] drm/i915/adl_p: Implement Wa_22011091694 Matt Roper
2021-03-11 22:36 ` [Intel-gfx] [PATCH 53/56] drm/i915/display/adl_p: Implement Wa_22011320316 Matt Roper
2021-03-11 22:36 ` [Intel-gfx] [PATCH 54/56] drm/i915/display/adl_p: Remove CCS support Matt Roper
2021-03-13  0:24   ` Srivatsa, Anusha
2021-03-11 22:36 ` [Intel-gfx] [PATCH 55/56] drm/i915/perf: Enable OA formats for ADL_P Matt Roper
2021-03-12 20:37   ` Dixit, Ashutosh
2021-03-11 22:36 ` [Intel-gfx] [PATCH 56/56] drm/i915/display/adl_p: Implement PSR changes Matt Roper
2021-03-13 19:49   ` Mun, Gwan-gyeong
2021-03-11 22:48 ` [Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for Introduce Alder Lake-P Patchwork
2021-03-11 22:50 ` [Intel-gfx] ✗ Fi.CI.SPARSE: " Patchwork
2021-03-11 23:14 ` [Intel-gfx] ✗ Fi.CI.BAT: failure " Patchwork

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