[PATCH 16/16] drm/i915: Handle SKL+ WM/DDB registers next to all other plane registers
Ville Syrjala
ville.syrjala at linux.intel.com
Fri May 10 15:23:29 UTC 2024
From: Ville Syrjälä <ville.syrjala at linux.intel.com>
Having the plane WM/DDB regitster write functions in skl_watermarks.c
is rather annoying when trying to implement DSB based plane updates.
Move them into the respective files that handle all other plane
register writes. Less places where I need to worry about the DSB
vs. MMIO decisions.
The downside is that we spread the wm struct details a bit further
afield. But if that becomes too annoying we can probably abstract
things a bit more with a few extra functions.
Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
---
drivers/gpu/drm/i915/display/intel_cursor.c | 32 +++++++
.../drm/i915/display/skl_universal_plane.c | 60 ++++++++++++
.../drm/i915/display/skl_universal_plane.h | 5 +
drivers/gpu/drm/i915/display/skl_watermark.c | 95 +------------------
drivers/gpu/drm/i915/display/skl_watermark.h | 13 ++-
5 files changed, 107 insertions(+), 98 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_cursor.c b/drivers/gpu/drm/i915/display/intel_cursor.c
index d2b459634732..3ecab15d1431 100644
--- a/drivers/gpu/drm/i915/display/intel_cursor.c
+++ b/drivers/gpu/drm/i915/display/intel_cursor.c
@@ -24,6 +24,7 @@
#include "intel_psr.h"
#include "intel_psr_regs.h"
#include "intel_vblank.h"
+#include "skl_universal_plane.h"
#include "skl_watermark.h"
#include "gem/i915_gem_object.h"
@@ -556,6 +557,37 @@ static void i9xx_cursor_update_sel_fetch_arm(struct intel_plane *plane,
}
}
+static void skl_write_cursor_wm(struct intel_plane *plane,
+ const struct intel_crtc_state *crtc_state)
+{
+ struct drm_i915_private *i915 = to_i915(plane->base.dev);
+ enum plane_id plane_id = plane->id;
+ enum pipe pipe = plane->pipe;
+ const struct skl_pipe_wm *pipe_wm = &crtc_state->wm.skl.optimal;
+ const struct skl_ddb_entry *ddb =
+ &crtc_state->wm.skl.plane_ddb[plane_id];
+ int level;
+
+ for (level = 0; level < i915->display.wm.num_levels; level++)
+ intel_de_write_fw(i915, CUR_WM(pipe, level),
+ skl_plane_wm_reg_val(skl_plane_wm_level(pipe_wm, plane_id, level)));
+
+ intel_de_write_fw(i915, CUR_WM_TRANS(pipe),
+ skl_plane_wm_reg_val(skl_plane_trans_wm(pipe_wm, plane_id)));
+
+ if (HAS_HW_SAGV_WM(i915)) {
+ const struct skl_plane_wm *wm = &pipe_wm->planes[plane_id];
+
+ intel_de_write_fw(i915, CUR_WM_SAGV(pipe),
+ skl_plane_wm_reg_val(&wm->sagv.wm0));
+ intel_de_write_fw(i915, CUR_WM_SAGV_TRANS(pipe),
+ skl_plane_wm_reg_val(&wm->sagv.trans_wm));
+ }
+
+ intel_de_write_fw(i915, CUR_BUF_CFG(pipe),
+ skl_plane_ddb_reg_val(ddb));
+}
+
/* TODO: split into noarm+arm pair */
static void i9xx_cursor_update_arm(struct intel_plane *plane,
const struct intel_crtc_state *crtc_state,
diff --git a/drivers/gpu/drm/i915/display/skl_universal_plane.c b/drivers/gpu/drm/i915/display/skl_universal_plane.c
index ab560820bb23..a9914cb31631 100644
--- a/drivers/gpu/drm/i915/display/skl_universal_plane.c
+++ b/drivers/gpu/drm/i915/display/skl_universal_plane.c
@@ -617,6 +617,66 @@ static u32 skl_plane_stride(const struct intel_plane_state *plane_state,
return stride / skl_plane_stride_mult(fb, color_plane, rotation);
}
+u32 skl_plane_ddb_reg_val(const struct skl_ddb_entry *entry)
+{
+ if (!entry->end)
+ return 0;
+
+ return PLANE_BUF_END(entry->end - 1) |
+ PLANE_BUF_START(entry->start);
+}
+
+u32 skl_plane_wm_reg_val(const struct skl_wm_level *level)
+{
+ u32 val = 0;
+
+ if (level->enable)
+ val |= PLANE_WM_EN;
+ if (level->ignore_lines)
+ val |= PLANE_WM_IGNORE_LINES;
+ val |= REG_FIELD_PREP(PLANE_WM_BLOCKS_MASK, level->blocks);
+ val |= REG_FIELD_PREP(PLANE_WM_LINES_MASK, level->lines);
+
+ return val;
+}
+
+static void skl_write_plane_wm(struct intel_plane *plane,
+ const struct intel_crtc_state *crtc_state)
+{
+ struct drm_i915_private *i915 = to_i915(plane->base.dev);
+ enum plane_id plane_id = plane->id;
+ enum pipe pipe = plane->pipe;
+ const struct skl_pipe_wm *pipe_wm = &crtc_state->wm.skl.optimal;
+ const struct skl_ddb_entry *ddb =
+ &crtc_state->wm.skl.plane_ddb[plane_id];
+ const struct skl_ddb_entry *ddb_y =
+ &crtc_state->wm.skl.plane_ddb_y[plane_id];
+ int level;
+
+ for (level = 0; level < i915->display.wm.num_levels; level++)
+ intel_de_write_fw(i915, PLANE_WM(pipe, plane_id, level),
+ skl_plane_wm_reg_val(skl_plane_wm_level(pipe_wm, plane_id, level)));
+
+ intel_de_write_fw(i915, PLANE_WM_TRANS(pipe, plane_id),
+ skl_plane_wm_reg_val(skl_plane_trans_wm(pipe_wm, plane_id)));
+
+ if (HAS_HW_SAGV_WM(i915)) {
+ const struct skl_plane_wm *wm = &pipe_wm->planes[plane_id];
+
+ intel_de_write_fw(i915, PLANE_WM_SAGV(pipe, plane_id),
+ skl_plane_wm_reg_val(&wm->sagv.wm0));
+ intel_de_write_fw(i915, PLANE_WM_SAGV_TRANS(pipe, plane_id),
+ skl_plane_wm_reg_val(&wm->sagv.trans_wm));
+ }
+
+ intel_de_write_fw(i915, PLANE_BUF_CFG(pipe, plane_id),
+ skl_plane_ddb_reg_val(ddb));
+
+ if (DISPLAY_VER(i915) < 11)
+ intel_de_write_fw(i915, PLANE_NV12_BUF_CFG(pipe, plane_id),
+ skl_plane_ddb_reg_val(ddb_y));
+}
+
static void
skl_plane_disable_arm(struct intel_plane *plane,
const struct intel_crtc_state *crtc_state)
diff --git a/drivers/gpu/drm/i915/display/skl_universal_plane.h b/drivers/gpu/drm/i915/display/skl_universal_plane.h
index e92e00c01b29..8eb4521ee851 100644
--- a/drivers/gpu/drm/i915/display/skl_universal_plane.h
+++ b/drivers/gpu/drm/i915/display/skl_universal_plane.h
@@ -12,6 +12,8 @@ struct drm_i915_private;
struct intel_crtc;
struct intel_initial_plane_config;
struct intel_plane_state;
+struct skl_ddb_entry;
+struct skl_wm_level;
enum pipe;
enum plane_id;
@@ -35,4 +37,7 @@ bool icl_is_nv12_y_plane(struct drm_i915_private *dev_priv,
u8 icl_hdr_plane_mask(void);
bool icl_is_hdr_plane(struct drm_i915_private *dev_priv, enum plane_id plane_id);
+u32 skl_plane_ddb_reg_val(const struct skl_ddb_entry *entry);
+u32 skl_plane_wm_reg_val(const struct skl_wm_level *level);
+
#endif
diff --git a/drivers/gpu/drm/i915/display/skl_watermark.c b/drivers/gpu/drm/i915/display/skl_watermark.c
index 1daceb8ef9de..2064f72da675 100644
--- a/drivers/gpu/drm/i915/display/skl_watermark.c
+++ b/drivers/gpu/drm/i915/display/skl_watermark.c
@@ -1396,7 +1396,7 @@ skl_total_relative_data_rate(const struct intel_crtc_state *crtc_state)
return data_rate;
}
-static const struct skl_wm_level *
+const struct skl_wm_level *
skl_plane_wm_level(const struct skl_pipe_wm *pipe_wm,
enum plane_id plane_id,
int level)
@@ -1409,7 +1409,7 @@ skl_plane_wm_level(const struct skl_pipe_wm *pipe_wm,
return &wm->wm[level];
}
-static const struct skl_wm_level *
+const struct skl_wm_level *
skl_plane_trans_wm(const struct skl_pipe_wm *pipe_wm,
enum plane_id plane_id)
{
@@ -2365,97 +2365,6 @@ static int skl_build_pipe_wm(struct intel_atomic_state *state,
return skl_wm_check_vblank(crtc_state);
}
-static u32 skl_plane_ddb_reg_val(const struct skl_ddb_entry *entry)
-{
- if (!entry->end)
- return 0;
-
- return PLANE_BUF_END(entry->end - 1) |
- PLANE_BUF_START(entry->start);
-}
-
-static u32 skl_plane_wm_reg_val(const struct skl_wm_level *level)
-{
- u32 val = 0;
-
- if (level->enable)
- val |= PLANE_WM_EN;
- if (level->ignore_lines)
- val |= PLANE_WM_IGNORE_LINES;
- val |= REG_FIELD_PREP(PLANE_WM_BLOCKS_MASK, level->blocks);
- val |= REG_FIELD_PREP(PLANE_WM_LINES_MASK, level->lines);
-
- return val;
-}
-
-void skl_write_plane_wm(struct intel_plane *plane,
- const struct intel_crtc_state *crtc_state)
-{
- struct drm_i915_private *i915 = to_i915(plane->base.dev);
- enum plane_id plane_id = plane->id;
- enum pipe pipe = plane->pipe;
- const struct skl_pipe_wm *pipe_wm = &crtc_state->wm.skl.optimal;
- const struct skl_ddb_entry *ddb =
- &crtc_state->wm.skl.plane_ddb[plane_id];
- const struct skl_ddb_entry *ddb_y =
- &crtc_state->wm.skl.plane_ddb_y[plane_id];
- int level;
-
- for (level = 0; level < i915->display.wm.num_levels; level++)
- intel_de_write_fw(i915, PLANE_WM(pipe, plane_id, level),
- skl_plane_wm_reg_val(skl_plane_wm_level(pipe_wm, plane_id, level)));
-
- intel_de_write_fw(i915, PLANE_WM_TRANS(pipe, plane_id),
- skl_plane_wm_reg_val(skl_plane_trans_wm(pipe_wm, plane_id)));
-
- if (HAS_HW_SAGV_WM(i915)) {
- const struct skl_plane_wm *wm = &pipe_wm->planes[plane_id];
-
- intel_de_write_fw(i915, PLANE_WM_SAGV(pipe, plane_id),
- skl_plane_wm_reg_val(&wm->sagv.wm0));
- intel_de_write_fw(i915, PLANE_WM_SAGV_TRANS(pipe, plane_id),
- skl_plane_wm_reg_val(&wm->sagv.trans_wm));
- }
-
- intel_de_write_fw(i915, PLANE_BUF_CFG(pipe, plane_id),
- skl_plane_ddb_reg_val(ddb));
-
- if (DISPLAY_VER(i915) < 11)
- intel_de_write_fw(i915, PLANE_NV12_BUF_CFG(pipe, plane_id),
- skl_plane_ddb_reg_val(ddb_y));
-}
-
-void skl_write_cursor_wm(struct intel_plane *plane,
- const struct intel_crtc_state *crtc_state)
-{
- struct drm_i915_private *i915 = to_i915(plane->base.dev);
- enum plane_id plane_id = plane->id;
- enum pipe pipe = plane->pipe;
- const struct skl_pipe_wm *pipe_wm = &crtc_state->wm.skl.optimal;
- const struct skl_ddb_entry *ddb =
- &crtc_state->wm.skl.plane_ddb[plane_id];
- int level;
-
- for (level = 0; level < i915->display.wm.num_levels; level++)
- intel_de_write_fw(i915, CUR_WM(pipe, level),
- skl_plane_wm_reg_val(skl_plane_wm_level(pipe_wm, plane_id, level)));
-
- intel_de_write_fw(i915, CUR_WM_TRANS(pipe),
- skl_plane_wm_reg_val(skl_plane_trans_wm(pipe_wm, plane_id)));
-
- if (HAS_HW_SAGV_WM(i915)) {
- const struct skl_plane_wm *wm = &pipe_wm->planes[plane_id];
-
- intel_de_write_fw(i915, CUR_WM_SAGV(pipe),
- skl_plane_wm_reg_val(&wm->sagv.wm0));
- intel_de_write_fw(i915, CUR_WM_SAGV_TRANS(pipe),
- skl_plane_wm_reg_val(&wm->sagv.trans_wm));
- }
-
- intel_de_write_fw(i915, CUR_BUF_CFG(pipe),
- skl_plane_ddb_reg_val(ddb));
-}
-
static bool skl_wm_level_equals(const struct skl_wm_level *l1,
const struct skl_wm_level *l2)
{
diff --git a/drivers/gpu/drm/i915/display/skl_watermark.h b/drivers/gpu/drm/i915/display/skl_watermark.h
index 91f92c0e706e..78b121941237 100644
--- a/drivers/gpu/drm/i915/display/skl_watermark.h
+++ b/drivers/gpu/drm/i915/display/skl_watermark.h
@@ -18,6 +18,8 @@ struct intel_bw_state;
struct intel_crtc;
struct intel_crtc_state;
struct intel_plane;
+struct skl_pipe_wm;
+struct skl_wm_level;
u8 intel_enabled_dbuf_slices_mask(struct drm_i915_private *i915);
@@ -30,11 +32,6 @@ bool intel_has_sagv(struct drm_i915_private *i915);
u32 skl_ddb_dbuf_slice_mask(struct drm_i915_private *i915,
const struct skl_ddb_entry *entry);
-void skl_write_plane_wm(struct intel_plane *plane,
- const struct intel_crtc_state *crtc_state);
-void skl_write_cursor_wm(struct intel_plane *plane,
- const struct intel_crtc_state *crtc_state);
-
bool skl_ddb_allocation_overlaps(const struct skl_ddb_entry *ddb,
const struct skl_ddb_entry *entries,
int num_entries, int ignore_idx);
@@ -51,6 +48,12 @@ unsigned int skl_watermark_max_latency(struct drm_i915_private *i915,
int initial_wm_level);
void skl_wm_init(struct drm_i915_private *i915);
+const struct skl_wm_level *skl_plane_wm_level(const struct skl_pipe_wm *pipe_wm,
+ enum plane_id plane_id,
+ int level);
+const struct skl_wm_level *skl_plane_trans_wm(const struct skl_pipe_wm *pipe_wm,
+ enum plane_id plane_id);
+
struct intel_dbuf_state {
struct intel_global_state base;
--
2.43.2
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