[Intel-gfx] [PATCH v3 5/5] drm/i915/display/mtl: Program latch to phy reset

Andi Shyti andi.shyti at linux.intel.com
Thu Mar 9 17:28:43 UTC 2023


Hi,

On Wed, Mar 01, 2023 at 12:10:53PM -0800, Radhakrishna Sripada wrote:
> From: José Roberto de Souza <jose.souza at intel.com>
> 
> Latch reset of phys during DC9 and when driver is unloaded to avoid
> phy reset.
> 
> Specification ask us to program it closer to the step that enables
> DC9 in DC_STATE_EN but doing this way allow us to sanitize the phy
> latch during driver load.
> 
> BSpec: 49197
> Reviewed-by: Matt Roper <matthew.d.roper at intel.com>
> Signed-off-by: José Roberto de Souza <jose.souza at intel.com>
> Signed-off-by: Radhakrishna Sripada <radhakrishna.sripada at intel.com>

Reviewed-by: Andi Shyti <andi.shyti at linux.intel.com>

Thanks,
Andi


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