diff options
author | Vandita Kulkarni <vandita.kulkarni@intel.com> | 2021-08-26 08:48:10 +0300 |
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committer | Vandita Kulkarni <vandita.kulkarni@intel.com> | 2021-09-01 10:37:41 +0300 |
commit | f87c46c43175d382f3f1e4d067be529a84c6fb7c (patch) | |
tree | 6a89e7d0aae437c0cff93ae06a8c2078ee3e816d /drivers/gpu/drm/i915/i915_reg.h | |
parent | f7a8f9afe52bca9be5f73465d14145e70c4f5d9f (diff) | |
download | linux-f87c46c43175d382f3f1e4d067be529a84c6fb7c.tar.xz |
drm/i915/dsi/xelpd: Add WA to program LP to HS wakeup guardband
Wa_16012360555 SW will have to program the "LP to HS Wakeup Guardband"
field to account for the repeaters on the HS Request/Ready PPI signaling
between the Display engine and the DPHY.
v2: Fix build issue.
v3: Align to new naming (Jani)
Signed-off-by: Vandita Kulkarni <vandita.kulkarni@intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210826054811.10572-2-vandita.kulkarni@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/i915_reg.h')
-rw-r--r-- | drivers/gpu/drm/i915/i915_reg.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index a0c8110d4ca0..bd63760207b0 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -11628,6 +11628,14 @@ enum skl_power_gate { _ICL_DSI_IO_MODECTL_1) #define COMBO_PHY_MODE_DSI (1 << 0) +/* TGL DSI Chicken register */ +#define _TGL_DSI_CHKN_REG_0 0x6B0C0 +#define _TGL_DSI_CHKN_REG_1 0x6B8C0 +#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) + /* Display Stream Splitter Control */ #define DSS_CTL1 _MMIO(0x67400) #define SPLITTER_ENABLE (1 << 31) |