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path: root/drivers/gpu/drm/i915/display/intel_cdclk.h
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Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_cdclk.h')
-rw-r--r--drivers/gpu/drm/i915/display/intel_cdclk.h88
1 files changed, 64 insertions, 24 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_cdclk.h b/drivers/gpu/drm/i915/display/intel_cdclk.h
index 4d6f7f5f8930..b535cf6a7d9e 100644
--- a/drivers/gpu/drm/i915/display/intel_cdclk.h
+++ b/drivers/gpu/drm/i915/display/intel_cdclk.h
@@ -9,38 +9,78 @@
#include <linux/types.h>
#include "intel_display.h"
+#include "intel_global_state.h"
struct drm_i915_private;
struct intel_atomic_state;
-struct intel_cdclk_state;
struct intel_crtc_state;
+struct intel_cdclk_config {
+ unsigned int cdclk, vco, ref, bypass;
+ u8 voltage_level;
+};
+
+struct intel_cdclk_state {
+ struct intel_global_state base;
+
+ /*
+ * Logical configuration of cdclk (used for all scaling,
+ * watermark, etc. calculations and checks). This is
+ * computed as if all enabled crtcs were active.
+ */
+ struct intel_cdclk_config logical;
+
+ /*
+ * Actual configuration of cdclk, can be different from the
+ * logical configuration only when all crtc's are DPMS off.
+ */
+ struct intel_cdclk_config actual;
+
+ /* minimum acceptable cdclk to satisfy bandwidth requirements */
+ int bw_min_cdclk;
+ /* minimum acceptable cdclk for each pipe */
+ int min_cdclk[I915_MAX_PIPES];
+ /* minimum acceptable voltage level for each pipe */
+ u8 min_voltage_level[I915_MAX_PIPES];
+
+ /* pipe to which cd2x update is synchronized */
+ enum pipe pipe;
+
+ /* forced minimum cdclk for glk+ audio w/a */
+ int force_min_cdclk;
+
+ /* bitmask of active pipes */
+ u8 active_pipes;
+};
+
int intel_crtc_compute_min_cdclk(const struct intel_crtc_state *crtc_state);
-void intel_cdclk_init(struct drm_i915_private *i915);
-void intel_cdclk_uninit(struct drm_i915_private *i915);
+void intel_cdclk_init_hw(struct drm_i915_private *i915);
+void intel_cdclk_uninit_hw(struct drm_i915_private *i915);
void intel_init_cdclk_hooks(struct drm_i915_private *dev_priv);
void intel_update_max_cdclk(struct drm_i915_private *dev_priv);
void intel_update_cdclk(struct drm_i915_private *dev_priv);
-void intel_update_rawclk(struct drm_i915_private *dev_priv);
-bool intel_cdclk_needs_cd2x_update(struct drm_i915_private *dev_priv,
- const struct intel_cdclk_state *a,
- const struct intel_cdclk_state *b);
-bool intel_cdclk_needs_modeset(const struct intel_cdclk_state *a,
- const struct intel_cdclk_state *b);
-bool intel_cdclk_changed(const struct intel_cdclk_state *a,
- const struct intel_cdclk_state *b);
-void intel_cdclk_swap_state(struct intel_atomic_state *state);
-void
-intel_set_cdclk_pre_plane_update(struct drm_i915_private *dev_priv,
- const struct intel_cdclk_state *old_state,
- const struct intel_cdclk_state *new_state,
- enum pipe pipe);
-void
-intel_set_cdclk_post_plane_update(struct drm_i915_private *dev_priv,
- const struct intel_cdclk_state *old_state,
- const struct intel_cdclk_state *new_state,
- enum pipe pipe);
-void intel_dump_cdclk_state(const struct intel_cdclk_state *cdclk_state,
- const char *context);
+u32 intel_read_rawclk(struct drm_i915_private *dev_priv);
+bool intel_cdclk_needs_modeset(const struct intel_cdclk_config *a,
+ const struct intel_cdclk_config *b);
+void intel_set_cdclk_pre_plane_update(struct intel_atomic_state *state);
+void intel_set_cdclk_post_plane_update(struct intel_atomic_state *state);
+void intel_cdclk_dump_config(struct drm_i915_private *i915,
+ const struct intel_cdclk_config *cdclk_config,
+ const char *context);
+int intel_modeset_calc_cdclk(struct intel_atomic_state *state);
+void intel_cdclk_get_cdclk(struct drm_i915_private *dev_priv,
+ struct intel_cdclk_config *cdclk_config);
+int intel_cdclk_atomic_check(struct intel_atomic_state *state,
+ bool *need_cdclk_calc);
+struct intel_cdclk_state *
+intel_atomic_get_cdclk_state(struct intel_atomic_state *state);
+
+#define to_intel_cdclk_state(x) container_of((x), struct intel_cdclk_state, base)
+#define intel_atomic_get_old_cdclk_state(state) \
+ to_intel_cdclk_state(intel_atomic_get_old_global_obj_state(state, &to_i915(state->base.dev)->cdclk.obj))
+#define intel_atomic_get_new_cdclk_state(state) \
+ to_intel_cdclk_state(intel_atomic_get_new_global_obj_state(state, &to_i915(state->base.dev)->cdclk.obj))
+
+int intel_cdclk_init(struct drm_i915_private *dev_priv);
#endif /* __INTEL_CDCLK_H__ */