From: Jani Nikula <jani.nikula@intel.com>
To: Ville Syrjala <ville.syrjala@linux.intel.com>,
intel-gfx@lists.freedesktop.org
Subject: Re: [PATCH v2] drm/i915: Bump max TMDS bitrate to 6 Gbps on ADL-S/ADL-P/DG2+
Date: Tue, 21 May 2024 12:50:10 +0300 [thread overview]
Message-ID: <87v837qyst.fsf@intel.com> (raw)
In-Reply-To: <20240520164732.3682-1-ville.syrjala@linux.intel.com>
On Mon, 20 May 2024, Ville Syrjala <ville.syrjala@linux.intel.com> wrote:
> From: Ville Syrjälä <ville.syrjala@linux.intel.com>
>
> Bspec lists the mas TMDS bitrate as 6 Gbps on ADL-S/ADL-P/DG2.
> Bump our limit to match.
>
> v2: Bump for ADL-S as well (Jani)
>
> Cc: Jani Nikula <jani.nikula@intel.com>
> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
> ---
> drivers/gpu/drm/i915/display/intel_hdmi.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c b/drivers/gpu/drm/i915/display/intel_hdmi.c
> index 0faf2afa1c09..9ac670a40bc1 100644
> --- a/drivers/gpu/drm/i915/display/intel_hdmi.c
> +++ b/drivers/gpu/drm/i915/display/intel_hdmi.c
> @@ -1784,7 +1784,9 @@ static int intel_hdmi_source_max_tmds_clock(struct intel_encoder *encoder)
> struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
> int max_tmds_clock, vbt_max_tmds_clock;
>
> - if (DISPLAY_VER(dev_priv) >= 10)
> + if (DISPLAY_VER(dev_priv) >= 13 || IS_ALDERLAKE_S(dev_priv))
> + max_tmds_clock = 600000;
> + else if (DISPLAY_VER(dev_priv) >= 10)
> max_tmds_clock = 594000;
> else if (DISPLAY_VER(dev_priv) >= 8 || IS_HASWELL(dev_priv))
> max_tmds_clock = 300000;
--
Jani Nikula, Intel
next prev parent reply other threads:[~2024-05-21 9:50 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-05-16 18:27 [PATCH] drm/i915: Bump max TMDS bitrate to 6 Gbps on ADL/DG2+ Ville Syrjala
2024-05-16 20:52 ` ✓ Fi.CI.BAT: success for " Patchwork
2024-05-17 10:11 ` ✗ Fi.CI.IGT: failure " Patchwork
2024-05-20 10:37 ` [PATCH] " Jani Nikula
2024-05-20 16:41 ` Ville Syrjälä
2024-05-20 16:47 ` [PATCH v2] drm/i915: Bump max TMDS bitrate to 6 Gbps on ADL-S/ADL-P/DG2+ Ville Syrjala
2024-05-21 9:50 ` Jani Nikula [this message]
2024-05-20 17:19 ` ✗ Fi.CI.BAT: failure for drm/i915: Bump max TMDS bitrate to 6 Gbps on ADL/DG2+ (rev2) Patchwork
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