drm/i915: swap() the entire cdclk state

To make life less confusing let's swap() the entire cdclk state
rather than swapping some parts, copying other parts, and leaving
the rest just as is.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200120174728.21095-11-ville.syrjala@linux.intel.com
Reviewed-by: Imre Deak <imre.deak@intel.com>

diff --git a/drivers/gpu/drm/i915/display/intel_cdclk.c b/drivers/gpu/drm/i915/display/intel_cdclk.c
index ecf6664645b2846dc2da79f950e1fa67bc0063e1..65ae842e450af49a321b5e1f13d405b806e46d4a 100644 (file)
--- a/drivers/gpu/drm/i915/display/intel_cdclk.c
+++ b/drivers/gpu/drm/i915/display/intel_cdclk.c
@@ -1851,19 +1851,7 @@ void intel_cdclk_swap_state(struct intel_atomic_state *state)
 {
        struct drm_i915_private *dev_priv = to_i915(state->base.dev);
 
-       /* FIXME maybe swap() these too */
-       memcpy(dev_priv->cdclk_state.min_cdclk,
-              state->cdclk_state.min_cdclk,
-              sizeof(state->cdclk_state.min_cdclk));
-       memcpy(dev_priv->cdclk_state.min_voltage_level,
-              state->cdclk_state.min_voltage_level,
-              sizeof(state->cdclk_state.min_voltage_level));
-
-       dev_priv->cdclk_state.force_min_cdclk =
-               state->cdclk_state.force_min_cdclk;
-
-       swap(state->cdclk_state.logical, dev_priv->cdclk_state.logical);
-       swap(state->cdclk_state.actual, dev_priv->cdclk_state.actual);
+       swap(state->cdclk_state, dev_priv->cdclk_state);
 }
 
 void intel_dump_cdclk_config(const struct intel_cdclk_config *cdclk_config,
@@ -1919,7 +1907,7 @@ intel_set_cdclk_pre_plane_update(struct intel_atomic_state *state)
        /* called after intel_cdclk_swap_state()! */
        const struct intel_cdclk_state *old_cdclk_state = &state->cdclk_state;
        const struct intel_cdclk_state *new_cdclk_state = &dev_priv->cdclk_state;
-       enum pipe pipe = old_cdclk_state->pipe; /* not swapped */
+       enum pipe pipe = new_cdclk_state->pipe;
 
        if (pipe == INVALID_PIPE ||
            old_cdclk_state->actual.cdclk <= new_cdclk_state->actual.cdclk)
@@ -1940,7 +1928,7 @@ intel_set_cdclk_post_plane_update(struct intel_atomic_state *state)
        /* called after intel_cdclk_swap_state()! */
        const struct intel_cdclk_state *old_cdclk_state = &state->cdclk_state;
        const struct intel_cdclk_state *new_cdclk_state = &dev_priv->cdclk_state;
-       enum pipe pipe = old_cdclk_state->pipe; /* not swapped */
+       enum pipe pipe = new_cdclk_state->pipe;
 
        if (pipe != INVALID_PIPE &&
            old_cdclk_state->actual.cdclk > new_cdclk_state->actual.cdclk)