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drm/i915: Make shared dpll functions take crtc_state, v3. 

Do not rely on crtc->config any more. Remove the assertion from
ibx_pch_dpll_disable, because we the dpll state tracking should
already handle this case correctly.

Changes since v1:
- Fixup accidental early return in intel_prepare_shared_dpll, oops!
Changes since v2:
- Don't use the freed crtc_state in intel_crtc_disable_noatomic()

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181005095244.1324-1-maarten.lankhorst@linux.intel.com
This commit is contained in:
Maarten Lankhorst 2018-10-05 11:52:44 +02:00
parent b2354c78b1
commit 65c307fd08
3 changed files with 21 additions and 28 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
drivers/gpu/drm/i915/intel_display.c
View File

@ -4758,7 +4758,7 @@ static void ironlake_pch_enable(const struct intel_atomic_state *state,
* Note that enable_shared_dpll tries to do the right thing, but
* get_shared_dpll unconditionally resets the pll - we need that to have
* the right LVDS enable sequence. */
intel_enable_shared_dpll(crtc);
intel_enable_shared_dpll(crtc_state);
/* set transcoder timing, panel must allow it */
assert_panel_unlocked(dev_priv, pipe);
@ -5600,8 +5600,8 @@ static void ironlake_crtc_enable(struct intel_crtc_state *pipe_config,
intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, false);
intel_set_pch_fifo_underrun_reporting(dev_priv, pipe, false);
if (intel_crtc->config->has_pch_encoder)
intel_prepare_shared_dpll(intel_crtc);
if (pipe_config->has_pch_encoder)
intel_prepare_shared_dpll(pipe_config);
if (intel_crtc_has_dp_encoder(intel_crtc->config))
intel_dp_set_m_n(intel_crtc, M1_N1);
@ -5719,8 +5719,8 @@ static void haswell_crtc_enable(struct intel_crtc_state *pipe_config,
intel_encoders_pre_pll_enable(crtc, pipe_config, old_state);
if (intel_crtc->config->shared_dpll)
intel_enable_shared_dpll(intel_crtc);
if (pipe_config->shared_dpll)
intel_enable_shared_dpll(pipe_config);
if (INTEL_GEN(dev_priv) >= 11)
icl_map_plls_to_ports(crtc, pipe_config, old_state);
@ -6295,7 +6295,7 @@ static void intel_crtc_disable_noatomic(struct drm_crtc *crtc,
intel_fbc_disable(intel_crtc);
intel_update_watermarks(intel_crtc);
intel_disable_shared_dpll(intel_crtc);
intel_disable_shared_dpll(to_intel_crtc_state(crtc->state));
domains = intel_crtc->enabled_power_domains;
for_each_power_domain(domain, domains)
@ -12744,7 +12744,7 @@ static void intel_atomic_commit_tail(struct drm_atomic_state *state)
dev_priv->display.crtc_disable(old_intel_crtc_state, state);
intel_crtc->active = false;
intel_fbc_disable(intel_crtc);
intel_disable_shared_dpll(intel_crtc);
intel_disable_shared_dpll(old_intel_crtc_state);
/*
* Underruns don't always raise

29
drivers/gpu/drm/i915/intel_dpll_mgr.c
View File

@ -131,11 +131,11 @@ void assert_shared_dpll(struct drm_i915_private *dev_priv,
* This calls the PLL's prepare hook if it has one and if the PLL is not
* already enabled. The prepare hook is platform specific.
*/
void intel_prepare_shared_dpll(struct intel_crtc *crtc)
void intel_prepare_shared_dpll(const struct intel_crtc_state *crtc_state)
{
struct drm_device *dev = crtc->base.dev;
struct drm_i915_private *dev_priv = to_i915(dev);
struct intel_shared_dpll *pll = crtc->config->shared_dpll;
struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc);
struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
struct intel_shared_dpll *pll = crtc_state->shared_dpll;
if (WARN_ON(pll == NULL))
return;
@ -158,11 +158,11 @@ void intel_prepare_shared_dpll(struct intel_crtc *crtc)
*
* Enable the shared DPLL used by @crtc.
*/
void intel_enable_shared_dpll(struct intel_crtc *crtc)
void intel_enable_shared_dpll(const struct intel_crtc_state *crtc_state)
{
struct drm_device *dev = crtc->base.dev;
struct drm_i915_private *dev_priv = to_i915(dev);
struct intel_shared_dpll *pll = crtc->config->shared_dpll;
struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc);
struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
struct intel_shared_dpll *pll = crtc_state->shared_dpll;
unsigned int crtc_mask = drm_crtc_mask(&crtc->base);
unsigned int old_mask;
@ -203,10 +203,11 @@ out:
*
* Disable the shared DPLL used by @crtc.
*/
void intel_disable_shared_dpll(struct intel_crtc *crtc)
void intel_disable_shared_dpll(const struct intel_crtc_state *crtc_state)
{
struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc);
struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
struct intel_shared_dpll *pll = crtc->config->shared_dpll;
struct intel_shared_dpll *pll = crtc_state->shared_dpll;
unsigned int crtc_mask = drm_crtc_mask(&crtc->base);
/* PCH only available on ILK+ */
@ -409,14 +410,6 @@ static void ibx_pch_dpll_disable(struct drm_i915_private *dev_priv,
struct intel_shared_dpll *pll)
{
const enum intel_dpll_id id = pll->info->id;
struct drm_device *dev = &dev_priv->drm;
struct intel_crtc *crtc;
/* Make sure no transcoder isn't still depending on us. */
for_each_intel_crtc(dev, crtc) {
if (crtc->config->shared_dpll == pll)
assert_pch_transcoder_disabled(dev_priv, crtc->pipe);
}
I915_WRITE(PCH_DPLL(id), 0);
POSTING_READ(PCH_DPLL(id));

6
drivers/gpu/drm/i915/intel_dpll_mgr.h
View File

@ -334,9 +334,9 @@ struct intel_shared_dpll *intel_get_shared_dpll(struct intel_crtc *crtc,
void intel_release_shared_dpll(struct intel_shared_dpll *dpll,
struct intel_crtc *crtc,
struct drm_atomic_state *state);
void intel_prepare_shared_dpll(struct intel_crtc *crtc);
void intel_enable_shared_dpll(struct intel_crtc *crtc);
void intel_disable_shared_dpll(struct intel_crtc *crtc);
void intel_prepare_shared_dpll(const struct intel_crtc_state *crtc_state);
void intel_enable_shared_dpll(const struct intel_crtc_state *crtc_state);
void intel_disable_shared_dpll(const struct intel_crtc_state *crtc_state);
void intel_shared_dpll_swap_state(struct drm_atomic_state *state);
void intel_shared_dpll_init(struct drm_device *dev);