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| author | Matt Roper <matthew.d.roper@intel.com> | 2021-07-23 10:42:32 -0700 |
|---|---|---|
| committer | Matt Roper <matthew.d.roper@intel.com> | 2021-07-29 09:05:25 -0700 |
| commit | 29081008047892acb39099c39d39f84c2e7fb028 (patch) | |
| tree | aade3202ded97a9cdb41443ff8dbd3a0b5ee8e12 /drivers/gpu/drm/i915/display/intel_snps_phy.h | |
| parent | 65ad82b2a3e89bbad6a9337b91dab36798e198dd (diff) | |
| download | linux-29081008047892acb39099c39d39f84c2e7fb028.tar.gz linux-29081008047892acb39099c39d39f84c2e7fb028.tar.bz2 linux-29081008047892acb39099c39d39f84c2e7fb028.zip | |
drm/i915/dg2: Add MPLLB programming for SNPS PHY
DG2's SNPS PHYs incorporate a dedicated port PLL called MPLLB which
takes the place of the shared DPLLs we've used on past platforms. Let's
add the MPLLB programming sequences; they'll be plugged into the rest of
the code in future patches.
Bspec: 54032
Bspec: 53881
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Vandita Kulkarni <vandita.kulkarni@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Nidhi Gupta <nidhi1.gupta@intel.com>
Reviewed-by: Matt Atwood <matthew.s.atwood@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210723174239.1551352-24-matthew.d.roper@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_snps_phy.h')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_snps_phy.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_snps_phy.h b/drivers/gpu/drm/i915/display/intel_snps_phy.h new file mode 100644 index 000000000000..205ab46f0b67 --- /dev/null +++ b/drivers/gpu/drm/i915/display/intel_snps_phy.h @@ -0,0 +1,18 @@ +/* SPDX-License-Identifier: MIT */ +/* + * Copyright © 2019 Intel Corporation + */ + +#ifndef __INTEL_SNPS_PHY_H__ +#define __INTEL_SNPS_PHY_H__ + +struct intel_encoder; +struct intel_crtc_state; + +int intel_mpllb_calc_state(struct intel_crtc_state *crtc_state, + struct intel_encoder *encoder); +void intel_mpllb_enable(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state); +void intel_mpllb_disable(struct intel_encoder *encoder); + +#endif /* __INTEL_SNPS_PHY_H__ */ |