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drm/i915: Clear the shared PLL from the put_dplls() hook

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For symmetry with the get_dplls() hook which sets the shared_dpll
pointer clear the same pointer from the put_dplls() hook.

While at it also constify the old crtc state.

v2:
- Constify the old crtc state. (Ville)

Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190708140735.20198-1-imre.deak@intel.com
This commit is contained in:
Imre Deak 2019-07-08 17:07:34 +03:00
parent a46f4e9e5a
commit 5c28e3a567
2 changed files with 14 additions and 8 deletions
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2
drivers/gpu/drm/i915/display/intel_display.c
View file

@ -13307,8 +13307,6 @@ static void intel_modeset_clear_plls(struct intel_atomic_state *state)
if (!needs_modeset(new_crtc_state))
continue;
new_crtc_state->shared_dpll = NULL;
intel_release_shared_dplls(state, crtc);
}
}

20
drivers/gpu/drm/i915/display/intel_dpll_mgr.c
View file

@ -323,13 +323,17 @@ static void intel_unreference_shared_dpll(struct intel_atomic_state *state,
static void intel_put_dpll(struct intel_atomic_state *state,
struct intel_crtc *crtc)
{
struct intel_crtc_state *crtc_state =
const struct intel_crtc_state *old_crtc_state =
intel_atomic_get_old_crtc_state(state, crtc);
struct intel_crtc_state *new_crtc_state =
intel_atomic_get_new_crtc_state(state, crtc);
if (!crtc_state->shared_dpll)
new_crtc_state->shared_dpll = NULL;
if (!old_crtc_state->shared_dpll)
return;
intel_unreference_shared_dpll(state, crtc, crtc_state->shared_dpll);
intel_unreference_shared_dpll(state, crtc, old_crtc_state->shared_dpll);
}
/**
@ -3015,13 +3019,17 @@ static bool icl_get_dplls(struct intel_atomic_state *state,
static void icl_put_dplls(struct intel_atomic_state *state,
struct intel_crtc *crtc)
{
struct intel_crtc_state *crtc_state =
const struct intel_crtc_state *old_crtc_state =
intel_atomic_get_old_crtc_state(state, crtc);
struct intel_crtc_state *new_crtc_state =
intel_atomic_get_new_crtc_state(state, crtc);
enum icl_port_dpll_id id;
new_crtc_state->shared_dpll = NULL;
for (id = ICL_PORT_DPLL_DEFAULT; id < ICL_PORT_DPLL_COUNT; id++) {
struct icl_port_dpll *port_dpll =
&crtc_state->icl_port_dplls[id];
const struct icl_port_dpll *port_dpll =
&old_crtc_state->icl_port_dplls[id];
if (!port_dpll->pll)
continue;