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-rw-r--r--drivers/gpu/drm/i915/intel_pm.c34
1 files changed, 13 insertions, 21 deletions
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index be24969e49d0..831e53c137cf 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -3833,7 +3833,7 @@ static u16 intel_get_ddb_size(struct drm_i915_private *dev_priv)
}
static u8 skl_compute_dbuf_slices(const struct intel_crtc_state *crtc_state,
- u32 active_pipes);
+ u8 active_pipes);
static void
skl_ddb_get_pipe_allocation_limits(struct drm_i915_private *dev_priv,
@@ -4218,6 +4218,7 @@ static const struct dbuf_slice_conf_entry icl_allowed_dbufs[] =
[PIPE_C] = BIT(DBUF_S2),
},
},
+ {}
};
/*
@@ -4340,16 +4341,15 @@ static const struct dbuf_slice_conf_entry tgl_allowed_dbufs[] =
[PIPE_D] = BIT(DBUF_S2),
},
},
+ {}
};
-static u8 compute_dbuf_slices(enum pipe pipe,
- u32 active_pipes,
- const struct dbuf_slice_conf_entry *dbuf_slices,
- int size)
+static u8 compute_dbuf_slices(enum pipe pipe, u8 active_pipes,
+ const struct dbuf_slice_conf_entry *dbuf_slices)
{
int i;
- for (i = 0; i < size; i++) {
+ for (i = 0; i < dbuf_slices[i].active_pipes; i++) {
if (dbuf_slices[i].active_pipes == active_pipes)
return dbuf_slices[i].dbuf_mask[pipe];
}
@@ -4361,8 +4361,7 @@ static u8 compute_dbuf_slices(enum pipe pipe,
* returns correspondent DBuf slice mask as stated in BSpec for particular
* platform.
*/
-static u32 icl_compute_dbuf_slices(enum pipe pipe,
- u32 active_pipes)
+static u8 icl_compute_dbuf_slices(enum pipe pipe, u8 active_pipes)
{
/*
* FIXME: For ICL this is still a bit unclear as prev BSpec revision
@@ -4376,32 +4375,25 @@ static u32 icl_compute_dbuf_slices(enum pipe pipe,
* still here - we will need it once those additional constraints
* pop up.
*/
- return compute_dbuf_slices(pipe, active_pipes,
- icl_allowed_dbufs,
- ARRAY_SIZE(icl_allowed_dbufs));
+ return compute_dbuf_slices(pipe, active_pipes, icl_allowed_dbufs);
}
-static u32 tgl_compute_dbuf_slices(enum pipe pipe,
- u32 active_pipes)
+static u8 tgl_compute_dbuf_slices(enum pipe pipe, u8 active_pipes)
{
- return compute_dbuf_slices(pipe, active_pipes,
- tgl_allowed_dbufs,
- ARRAY_SIZE(tgl_allowed_dbufs));
+ return compute_dbuf_slices(pipe, active_pipes, tgl_allowed_dbufs);
}
static u8 skl_compute_dbuf_slices(const struct intel_crtc_state *crtc_state,
- u32 active_pipes)
+ u8 active_pipes)
{
struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
enum pipe pipe = crtc->pipe;
if (IS_GEN(dev_priv, 12))
- return tgl_compute_dbuf_slices(pipe,
- active_pipes);
+ return tgl_compute_dbuf_slices(pipe, active_pipes);
else if (IS_GEN(dev_priv, 11))
- return icl_compute_dbuf_slices(pipe,
- active_pipes);
+ return icl_compute_dbuf_slices(pipe, active_pipes);
/*
* For anything else just return one slice yet.
* Should be extended for other platforms.