Add intel_cdclk_logical() helper to avoid looking at struct
intel_cdclk_state internals outside of intel_cdclk.c.

Reviewed-by: Imre Deak <[email protected]>
Signed-off-by: Jani Nikula <[email protected]>
---
 drivers/gpu/drm/i915/display/hsw_ips.c       | 2 +-
 drivers/gpu/drm/i915/display/intel_cdclk.c   | 5 +++++
 drivers/gpu/drm/i915/display/intel_cdclk.h   | 2 ++
 drivers/gpu/drm/i915/display/intel_display.c | 2 +-
 drivers/gpu/drm/i915/display/intel_fbc.c     | 2 +-
 drivers/gpu/drm/i915/display/skl_watermark.c | 2 +-
 6 files changed, 11 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/hsw_ips.c 
b/drivers/gpu/drm/i915/display/hsw_ips.c
index 989a9171b07f..927fe56aec77 100644
--- a/drivers/gpu/drm/i915/display/hsw_ips.c
+++ b/drivers/gpu/drm/i915/display/hsw_ips.c
@@ -265,7 +265,7 @@ int hsw_ips_compute_config(struct intel_atomic_state *state,
                        return PTR_ERR(cdclk_state);
 
                /* pixel rate mustn't exceed 95% of cdclk with IPS on BDW */
-               if (crtc_state->pixel_rate > cdclk_state->logical.cdclk * 95 / 
100)
+               if (crtc_state->pixel_rate > intel_cdclk_logical(cdclk_state) * 
95 / 100)
                        return 0;
        }
 
diff --git a/drivers/gpu/drm/i915/display/intel_cdclk.c 
b/drivers/gpu/drm/i915/display/intel_cdclk.c
index 95fab2ee3d94..51485c777b62 100644
--- a/drivers/gpu/drm/i915/display/intel_cdclk.c
+++ b/drivers/gpu/drm/i915/display/intel_cdclk.c
@@ -3834,3 +3834,8 @@ void intel_init_cdclk_hooks(struct intel_display *display)
                     "Unknown platform. Assuming i830\n"))
                display->funcs.cdclk = &i830_cdclk_funcs;
 }
+
+int intel_cdclk_logical(const struct intel_cdclk_state *cdclk_state)
+{
+       return cdclk_state->logical.cdclk;
+}
diff --git a/drivers/gpu/drm/i915/display/intel_cdclk.h 
b/drivers/gpu/drm/i915/display/intel_cdclk.h
index a1cefd455d92..20a66f613072 100644
--- a/drivers/gpu/drm/i915/display/intel_cdclk.h
+++ b/drivers/gpu/drm/i915/display/intel_cdclk.h
@@ -97,4 +97,6 @@ void intel_cdclk_crtc_disable_noatomic(struct intel_crtc 
*crtc);
 int intel_cdclk_init(struct intel_display *display);
 void intel_cdclk_debugfs_register(struct intel_display *display);
 
+int intel_cdclk_logical(const struct intel_cdclk_state *cdclk_state);
+
 #endif /* __INTEL_CDCLK_H__ */
diff --git a/drivers/gpu/drm/i915/display/intel_display.c 
b/drivers/gpu/drm/i915/display/intel_display.c
index de8bf292897c..cd6fa1669074 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -4168,7 +4168,7 @@ static u16 hsw_ips_linetime_wm(const struct 
intel_crtc_state *crtc_state,
                return 0;
 
        linetime_wm = DIV_ROUND_CLOSEST(pipe_mode->crtc_htotal * 1000 * 8,
-                                       cdclk_state->logical.cdclk);
+                                       intel_cdclk_logical(cdclk_state));
 
        return min(linetime_wm, 0x1ff);
 }
diff --git a/drivers/gpu/drm/i915/display/intel_fbc.c 
b/drivers/gpu/drm/i915/display/intel_fbc.c
index ec1ef8694c35..5d28a6062db1 100644
--- a/drivers/gpu/drm/i915/display/intel_fbc.c
+++ b/drivers/gpu/drm/i915/display/intel_fbc.c
@@ -1576,7 +1576,7 @@ static int intel_fbc_check_plane(struct 
intel_atomic_state *state,
                if (IS_ERR(cdclk_state))
                        return PTR_ERR(cdclk_state);
 
-               if (crtc_state->pixel_rate >= cdclk_state->logical.cdclk * 95 / 
100) {
+               if (crtc_state->pixel_rate >= intel_cdclk_logical(cdclk_state) 
* 95 / 100) {
                        plane_state->no_fbc_reason = "pixel rate too high";
                        return 0;
                }
diff --git a/drivers/gpu/drm/i915/display/skl_watermark.c 
b/drivers/gpu/drm/i915/display/skl_watermark.c
index f98c4a0fc7a9..f234a3aa3d15 100644
--- a/drivers/gpu/drm/i915/display/skl_watermark.c
+++ b/drivers/gpu/drm/i915/display/skl_watermark.c
@@ -2178,7 +2178,7 @@ cdclk_prefill_adjustment(const struct intel_crtc_state 
*crtc_state)
        }
 
        return min(1, DIV_ROUND_UP(crtc_state->pixel_rate,
-                                  2 * cdclk_state->logical.cdclk));
+                                  2 * intel_cdclk_logical(cdclk_state)));
 }
 
 static int
-- 
2.39.5

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