diff mbox series

[V2,1/4] drm/i915/dsi/xelpd: Fix the bit mask for wakeup GB

Message ID 20211019151435.20477-2-vandita.kulkarni@intel.com (mailing list archive)
State New, archived
Headers show
Series Enable MIPI DSI video mode on ADLP | expand

Commit Message

Kulkarni, Vandita Oct. 19, 2021, 3:14 p.m. UTC
v2: Fix the typo, move out the hardcoding from
    macro(Jani, Ville)

Fixes: f87c46c43175 ("drm/i915/dsi/xelpd: Add WA to program LP to HS wakeup guardband")
Signed-off-by: Vandita Kulkarni <vandita.kulkarni@intel.com>
---
 drivers/gpu/drm/i915/display/icl_dsi.c | 3 ++-
 drivers/gpu/drm/i915/i915_reg.h        | 4 +++-
 2 files changed, 5 insertions(+), 2 deletions(-)

Comments

Jani Nikula Oct. 19, 2021, 3:40 p.m. UTC | #1
On Tue, 19 Oct 2021, Vandita Kulkarni <vandita.kulkarni@intel.com> wrote:
> v2: Fix the typo, move out the hardcoding from
>     macro(Jani, Ville)
>
> Fixes: f87c46c43175 ("drm/i915/dsi/xelpd: Add WA to program LP to HS wakeup guardband")
> Signed-off-by: Vandita Kulkarni <vandita.kulkarni@intel.com>

Reviewed-by: Jani Nikula <jani.nikula@intel.com>


> ---
>  drivers/gpu/drm/i915/display/icl_dsi.c | 3 ++-
>  drivers/gpu/drm/i915/i915_reg.h        | 4 +++-
>  2 files changed, 5 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/display/icl_dsi.c b/drivers/gpu/drm/i915/display/icl_dsi.c
> index 168c84a74d30..63dd75c6448a 100644
> --- a/drivers/gpu/drm/i915/display/icl_dsi.c
> +++ b/drivers/gpu/drm/i915/display/icl_dsi.c
> @@ -1271,7 +1271,8 @@ static void adlp_set_lp_hs_wakeup_gb(struct intel_encoder *encoder)
>  	if (DISPLAY_VER(i915) == 13) {
>  		for_each_dsi_port(port, intel_dsi->ports)
>  			intel_de_rmw(i915, TGL_DSI_CHKN_REG(port),
> -				     TGL_DSI_CHKN_LSHS_GB, 0x4);
> +				     TGL_DSI_CHKN_LSHS_GB_MASK,
> +				     TGL_DSI_CHKN_LSHS_GB(4));
>  	}
>  }
>  
> diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
> index d9f7a729333f..749b043a3ee3 100644
> --- a/drivers/gpu/drm/i915/i915_reg.h
> +++ b/drivers/gpu/drm/i915/i915_reg.h
> @@ -11715,7 +11715,9 @@ enum skl_power_gate {
>  #define TGL_DSI_CHKN_REG(port)		_MMIO_PORT(port,	\
>  						    _TGL_DSI_CHKN_REG_0, \
>  						    _TGL_DSI_CHKN_REG_1)
> -#define TGL_DSI_CHKN_LSHS_GB			REG_GENMASK(15, 12)
> +#define TGL_DSI_CHKN_LSHS_GB_MASK		REG_GENMASK(15, 12)
> +#define TGL_DSI_CHKN_LSHS_GB(byte_clocks)	REG_FIELD_PREP(TGL_DSI_CHKN_LSHS_GB_MASK, \
> +							       (byte_clocks))
>  
>  /* Display Stream Splitter Control */
>  #define DSS_CTL1				_MMIO(0x67400)
diff mbox series

Patch

diff --git a/drivers/gpu/drm/i915/display/icl_dsi.c b/drivers/gpu/drm/i915/display/icl_dsi.c
index 168c84a74d30..63dd75c6448a 100644
--- a/drivers/gpu/drm/i915/display/icl_dsi.c
+++ b/drivers/gpu/drm/i915/display/icl_dsi.c
@@ -1271,7 +1271,8 @@  static void adlp_set_lp_hs_wakeup_gb(struct intel_encoder *encoder)
 	if (DISPLAY_VER(i915) == 13) {
 		for_each_dsi_port(port, intel_dsi->ports)
 			intel_de_rmw(i915, TGL_DSI_CHKN_REG(port),
-				     TGL_DSI_CHKN_LSHS_GB, 0x4);
+				     TGL_DSI_CHKN_LSHS_GB_MASK,
+				     TGL_DSI_CHKN_LSHS_GB(4));
 	}
 }
 
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index d9f7a729333f..749b043a3ee3 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -11715,7 +11715,9 @@  enum skl_power_gate {
 #define TGL_DSI_CHKN_REG(port)		_MMIO_PORT(port,	\
 						    _TGL_DSI_CHKN_REG_0, \
 						    _TGL_DSI_CHKN_REG_1)
-#define TGL_DSI_CHKN_LSHS_GB			REG_GENMASK(15, 12)
+#define TGL_DSI_CHKN_LSHS_GB_MASK		REG_GENMASK(15, 12)
+#define TGL_DSI_CHKN_LSHS_GB(byte_clocks)	REG_FIELD_PREP(TGL_DSI_CHKN_LSHS_GB_MASK, \
+							       (byte_clocks))
 
 /* Display Stream Splitter Control */
 #define DSS_CTL1				_MMIO(0x67400)