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drm/i915/dsi: abstract intel_dsi_tlpx_ns()

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Will be needed in the future. No functional changes.

Cc: Madhav Chauhan <madhav.chauhan@intel.com>
Cc: Ville Syrjala <ville.syrjala@linux.intel.com>
Reviewed-by: Madhav Chauhan <madhav.chauhan@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/2cb427e5bc2ea88e4226bfcf162b3a6f307e32e1.1539613303.git.jani.nikula@intel.com
This commit is contained in:
Jani Nikula
2018-10-15 17:27:52 +03:00
parent 4f15665ccb
commit 9ec9a87b1e
3 changed files with 15 additions and 15 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
drivers/gpu/drm/i915/intel_dsi.c
View File

@@ -15,3 +15,16 @@ int intel_dsi_bitrate(const struct intel_dsi *intel_dsi)
return intel_dsi->pclk * bpp / intel_dsi->lane_count;
}
int intel_dsi_tlpx_ns(const struct intel_dsi *intel_dsi)
{
switch (intel_dsi->escape_clk_div) {
default:
case 0:
return 50;
case 1:
return 100;
case 2:
return 200;
}
}

1
drivers/gpu/drm/i915/intel_dsi.h
View File

@@ -131,6 +131,7 @@ static inline struct intel_dsi *enc_to_intel_dsi(struct drm_encoder *encoder)
/* intel_dsi.c */
int intel_dsi_bitrate(const struct intel_dsi *intel_dsi);
int intel_dsi_tlpx_ns(const struct intel_dsi *intel_dsi);
/* vlv_dsi.c */
void vlv_dsi_wait_for_fifo_empty(struct intel_dsi *intel_dsi, enum port port);

16
drivers/gpu/drm/i915/intel_dsi_vbt.c
View File

@@ -512,21 +512,7 @@ static void vlv_dphy_param_init(struct intel_dsi *intel_dsi)
u32 lp_to_hs_switch, hs_to_lp_switch;
u32 mul;
switch (intel_dsi->escape_clk_div) {
case 0:
tlpx_ns = 50;
break;
case 1:
tlpx_ns = 100;
break;
case 2:
tlpx_ns = 200;
break;
default:
tlpx_ns = 50;
break;
}
tlpx_ns = intel_dsi_tlpx_ns(intel_dsi);
switch (intel_dsi->lane_count) {
case 1: