From 5c28e3a567fed9c22cb79f01294b1aaefee344fd Mon Sep 17 00:00:00 2001
From: Imre Deak <imre.deak@intel.com>
Date: Mon, 8 Jul 2019 17:07:34 +0300
Subject: [PATCH] drm/i915: Clear the shared PLL from the put_dplls() hook
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Git-commit: 5c28e3a567fed9c22cb79f01294b1aaefee344fd
Patch-mainline: v5.4-rc1
References: jsc#SLE-7953
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
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/gpu/drm/i915/display/intel_display.c | 2 --
drivers/gpu/drm/i915/display/intel_dpll_mgr.c | 20 ++++++++++++++------
2 files changed, 14 insertions(+), 8 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
index f09eda75711a..f07081815b80 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -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);
}
}
diff --git a/drivers/gpu/drm/i915/display/intel_dpll_mgr.c b/drivers/gpu/drm/i915/display/intel_dpll_mgr.c
index 67cfe836286e..5c18f9012062 100644
--- a/drivers/gpu/drm/i915/display/intel_dpll_mgr.c
+++ b/drivers/gpu/drm/i915/display/intel_dpll_mgr.c
@@ -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);
+
+ new_crtc_state->shared_dpll = NULL;
- if (!crtc_state->shared_dpll)
+ 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;
--
2.16.4