On Tue, Oct 27, 2020 at 10:39:52PM +0200, Ville Syrjala wrote:
> From: Ville Syrjälä <ville.syrj...@linux.intel.com>
>
> The dbuf state will be where we collect all the inter-pipe dbuf
> allocation stuff. Start by moving the actual per-pipe ddb entries
> there.
>
> v2: Rebase
>
> Cc: Stanislav Lisovskiy <stanislav.lisovs...@intel.com>
> Signed-off-by: Ville Syrjälä <ville.syrj...@linux.intel.com>
Reviewed-by: Stanislav Lisovskiy <stanislav.lisovs...@intel.com>
> ---
> drivers/gpu/drm/i915/display/intel_display.c | 21 ++++++++++++-------
> .../drm/i915/display/intel_display_types.h | 1 -
> drivers/gpu/drm/i915/intel_pm.c | 16 ++++++--------
> drivers/gpu/drm/i915/intel_pm.h | 4 ++++
> 4 files changed, 23 insertions(+), 19 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_display.c
> b/drivers/gpu/drm/i915/display/intel_display.c
> index f41b6f8b5618..cb2f06fc1123 100644
> --- a/drivers/gpu/drm/i915/display/intel_display.c
> +++ b/drivers/gpu/drm/i915/display/intel_display.c
> @@ -15673,6 +15673,10 @@ static void intel_commit_modeset_enables(struct
> intel_atomic_state *state)
> static void skl_commit_modeset_enables(struct intel_atomic_state *state)
> {
> struct drm_i915_private *dev_priv = to_i915(state->base.dev);
> + const struct intel_dbuf_state *old_dbuf_state =
> + intel_atomic_get_old_dbuf_state(state);
> + const struct intel_dbuf_state *new_dbuf_state =
> + intel_atomic_get_new_dbuf_state(state);
> struct intel_crtc *crtc;
> struct intel_crtc_state *old_crtc_state, *new_crtc_state;
> struct skl_ddb_entry entries[I915_MAX_PIPES] = {};
> @@ -15687,7 +15691,7 @@ static void skl_commit_modeset_enables(struct
> intel_atomic_state *state)
>
> /* ignore allocations for crtc's that have been turned off. */
> if (!needs_modeset(new_crtc_state)) {
> - entries[pipe] = old_crtc_state->wm.skl.ddb;
> + entries[pipe] = old_dbuf_state->ddb[pipe];
> update_pipes |= BIT(pipe);
> } else {
> modeset_pipes |= BIT(pipe);
> @@ -15711,11 +15715,11 @@ static void skl_commit_modeset_enables(struct
> intel_atomic_state *state)
> if ((update_pipes & BIT(pipe)) == 0)
> continue;
>
> - if
> (skl_ddb_allocation_overlaps(&new_crtc_state->wm.skl.ddb,
> + if
> (skl_ddb_allocation_overlaps(&new_dbuf_state->ddb[pipe],
> entries,
> I915_MAX_PIPES, pipe))
> continue;
>
> - entries[pipe] = new_crtc_state->wm.skl.ddb;
> + entries[pipe] = new_dbuf_state->ddb[pipe];
> update_pipes &= ~BIT(pipe);
>
> intel_update_crtc(state, crtc);
> @@ -15726,8 +15730,8 @@ static void skl_commit_modeset_enables(struct
> intel_atomic_state *state)
> * then we need to wait for a vblank to pass for the
> * new ddb allocation to take effect.
> */
> - if (!skl_ddb_entry_equal(&new_crtc_state->wm.skl.ddb,
> - &old_crtc_state->wm.skl.ddb) &&
> + if (!skl_ddb_entry_equal(&new_dbuf_state->ddb[pipe],
> + &old_dbuf_state->ddb[pipe]) &&
> (update_pipes | modeset_pipes))
> intel_wait_for_vblank(dev_priv, pipe);
> }
> @@ -15778,10 +15782,11 @@ static void skl_commit_modeset_enables(struct
> intel_atomic_state *state)
> if ((update_pipes & BIT(pipe)) == 0)
> continue;
>
> - drm_WARN_ON(&dev_priv->drm,
> skl_ddb_allocation_overlaps(&new_crtc_state->wm.skl.ddb,
> -
> entries, I915_MAX_PIPES, pipe));
> + drm_WARN_ON(&dev_priv->drm,
> +
> skl_ddb_allocation_overlaps(&new_dbuf_state->ddb[pipe],
> + entries,
> I915_MAX_PIPES, pipe));
>
> - entries[pipe] = new_crtc_state->wm.skl.ddb;
> + entries[pipe] = new_dbuf_state->ddb[pipe];
> update_pipes &= ~BIT(pipe);
>
> intel_update_crtc(state, crtc);
> diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h
> b/drivers/gpu/drm/i915/display/intel_display_types.h
> index f6f0626649e0..a4b5c06a1181 100644
> --- a/drivers/gpu/drm/i915/display/intel_display_types.h
> +++ b/drivers/gpu/drm/i915/display/intel_display_types.h
> @@ -757,7 +757,6 @@ struct intel_crtc_wm_state {
> struct {
> /* gen9+ only needs 1-step wm programming */
> struct skl_pipe_wm optimal;
> - struct skl_ddb_entry ddb;
> struct skl_ddb_entry plane_ddb_y[I915_MAX_PLANES];
> struct skl_ddb_entry plane_ddb_uv[I915_MAX_PLANES];
> } skl;
> diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
> index e4917454ec07..2ec48d9522e8 100644
> --- a/drivers/gpu/drm/i915/intel_pm.c
> +++ b/drivers/gpu/drm/i915/intel_pm.c
> @@ -4154,16 +4154,8 @@ skl_ddb_get_pipe_allocation_limits(struct
> drm_i915_private *dev_priv,
> * grab _all_ crtc locks, including the one we currently hold.
> */
> if (old_dbuf_state->active_pipes == new_dbuf_state->active_pipes &&
> - !dev_priv->wm.distrust_bios_wm) {
> - /*
> - * alloc may be cleared by clear_intel_crtc_state,
> - * copy from old state to be sure
> - *
> - * FIXME get rid of this mess
> - */
> - *alloc = to_intel_crtc_state(for_crtc->base.state)->wm.skl.ddb;
> + !dev_priv->wm.distrust_bios_wm)
> return 0;
> - }
>
> /*
> * Get allowed DBuf slices for correspondent pipe and platform.
> @@ -4790,7 +4782,11 @@ skl_allocate_pipe_ddb(struct intel_crtc_state
> *crtc_state)
> {
> struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
> struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
> - struct skl_ddb_entry *alloc = &crtc_state->wm.skl.ddb;
> + struct intel_atomic_state *state =
> + to_intel_atomic_state(crtc_state->uapi.state);
> + struct intel_dbuf_state *dbuf_state =
> + intel_atomic_get_new_dbuf_state(state);
> + struct skl_ddb_entry *alloc = &dbuf_state->ddb[crtc->pipe];
> u16 alloc_size, start = 0;
> u16 total[I915_MAX_PLANES] = {};
> u16 uv_total[I915_MAX_PLANES] = {};
> diff --git a/drivers/gpu/drm/i915/intel_pm.h b/drivers/gpu/drm/i915/intel_pm.h
> index 00910bc01407..724204bb8442 100644
> --- a/drivers/gpu/drm/i915/intel_pm.h
> +++ b/drivers/gpu/drm/i915/intel_pm.h
> @@ -9,8 +9,10 @@
> #include <linux/types.h>
>
> #include "display/intel_bw.h"
> +#include "display/intel_display.h"
> #include "display/intel_global_state.h"
>
> +#include "i915_drv.h"
> #include "i915_reg.h"
>
> struct drm_device;
> @@ -68,6 +70,8 @@ bool intel_set_memory_cxsr(struct drm_i915_private
> *dev_priv, bool enable);
> struct intel_dbuf_state {
> struct intel_global_state base;
>
> + struct skl_ddb_entry ddb[I915_MAX_PIPES];
> +
> u8 enabled_slices;
> u8 active_pipes;
> };
> --
> 2.26.2
>
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