[Intel-gfx] [PATCH 2/4] drm/i915/dsi: add separate init timer mask definition for ICL DSI

Matt Roper matthew.d.roper at intel.com
Thu Feb 17 04:48:32 UTC 2022


On Wed, Feb 16, 2022 at 05:47:09PM +0200, Jani Nikula wrote:
> Having a separate definition will be useful for splitting VLV and ICL
> register files.
> 
> Cc: Matt Roper <matthew.d.roper at intel.com>
> Signed-off-by: Jani Nikula <jani.nikula at intel.com>

Reviewed-by: Matt Roper <matthew.d.roper at intel.com>

> ---
>  drivers/gpu/drm/i915/display/icl_dsi.c | 2 +-
>  drivers/gpu/drm/i915/i915_reg.h        | 1 +
>  2 files changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/i915/display/icl_dsi.c b/drivers/gpu/drm/i915/display/icl_dsi.c
> index 479d5e1165d9..3c01565e62b2 100644
> --- a/drivers/gpu/drm/i915/display/icl_dsi.c
> +++ b/drivers/gpu/drm/i915/display/icl_dsi.c
> @@ -570,7 +570,7 @@ gen11_dsi_setup_dphy_timings(struct intel_encoder *encoder,
>  	/* Program T-INIT master registers */
>  	for_each_dsi_port(port, intel_dsi->ports) {
>  		tmp = intel_de_read(dev_priv, ICL_DSI_T_INIT_MASTER(port));
> -		tmp &= ~MASTER_INIT_TIMER_MASK;
> +		tmp &= ~DSI_T_INIT_MASTER_MASK;
>  		tmp |= intel_dsi->init_count;
>  		intel_de_write(dev_priv, ICL_DSI_T_INIT_MASTER(port), tmp);
>  	}
> diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
> index 4ea1713e6b60..5646c843fd0d 100644
> --- a/drivers/gpu/drm/i915/i915_reg.h
> +++ b/drivers/gpu/drm/i915/i915_reg.h
> @@ -9204,6 +9204,7 @@ enum skl_power_gate {
>  #define ICL_DSI_T_INIT_MASTER(port)	_MMIO_PORT(port,	\
>  						   _ICL_DSI_T_INIT_MASTER_0,\
>  						   _ICL_DSI_T_INIT_MASTER_1)
> +#define   DSI_T_INIT_MASTER_MASK	REG_GENMASK(15, 0)
>  
>  #define _DPHY_CLK_TIMING_PARAM_0	0x162180
>  #define _DPHY_CLK_TIMING_PARAM_1	0x6c180
> -- 
> 2.30.2
> 

-- 
Matt Roper
Graphics Software Engineer
VTT-OSGC Platform Enablement
Intel Corporation
(916) 356-2795


More information about the Intel-gfx mailing list