[Intel-gfx] [PATCH 2/2] drm/i915/dmc: Add intel_dmc_has_payload() helper
Anusha Srivatsa
anusha.srivatsa at intel.com
Thu May 20 18:36:08 UTC 2021
We check for dmc_payload being there at various points in the driver.
Replace it with the helper.
v2: rebased.
Cc: Lucas De Marchi <lucas.demarchi at intel.com>
Signed-off-by: Anusha Srivatsa <anusha.srivatsa at intel.com>
---
.../drm/i915/display/intel_display_debugfs.c | 4 ++--
.../drm/i915/display/intel_display_power.c | 16 +++++++-------
drivers/gpu/drm/i915/display/intel_dmc.c | 13 +++++++----
drivers/gpu/drm/i915/display/intel_dmc.h | 22 +++++++++++++++++++
drivers/gpu/drm/i915/i915_drv.h | 18 +--------------
drivers/gpu/drm/i915/i915_gpu_error.c | 2 +-
6 files changed, 43 insertions(+), 32 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_display_debugfs.c b/drivers/gpu/drm/i915/display/intel_display_debugfs.c
index 94e5cbd86e77..88bb05d5c483 100644
--- a/drivers/gpu/drm/i915/display/intel_display_debugfs.c
+++ b/drivers/gpu/drm/i915/display/intel_display_debugfs.c
@@ -542,10 +542,10 @@ static int i915_dmc_info(struct seq_file *m, void *unused)
wakeref = intel_runtime_pm_get(&dev_priv->runtime_pm);
- seq_printf(m, "fw loaded: %s\n", yesno(dmc->dmc_payload));
+ seq_printf(m, "fw loaded: %s\n", yesno(intel_dmc_has_payload(dev_priv)));
seq_printf(m, "path: %s\n", dmc->fw_path);
- if (!dmc->dmc_payload)
+ if (!intel_dmc_has_payload(dev_priv))
goto out;
seq_printf(m, "version: %d.%d\n", DMC_VERSION_MAJOR(dmc->version),
diff --git a/drivers/gpu/drm/i915/display/intel_display_power.c b/drivers/gpu/drm/i915/display/intel_display_power.c
index 991ceea06a07..b546672c9b00 100644
--- a/drivers/gpu/drm/i915/display/intel_display_power.c
+++ b/drivers/gpu/drm/i915/display/intel_display_power.c
@@ -1220,7 +1220,7 @@ static void gen9_dc_off_power_well_enable(struct drm_i915_private *dev_priv,
static void gen9_dc_off_power_well_disable(struct drm_i915_private *dev_priv,
struct i915_power_well *power_well)
{
- if (!dev_priv->dmc.dmc_payload)
+ if (!intel_dmc_has_payload(dev_priv))
return;
switch (dev_priv->dmc.target_dc_state) {
@@ -5579,7 +5579,7 @@ static void skl_display_core_init(struct drm_i915_private *dev_priv,
gen9_dbuf_enable(dev_priv);
- if (resume && dev_priv->dmc.dmc_payload)
+ if (resume && intel_dmc_has_payload(dev_priv))
intel_dmc_load_program(dev_priv);
}
@@ -5646,7 +5646,7 @@ static void bxt_display_core_init(struct drm_i915_private *dev_priv, bool resume
gen9_dbuf_enable(dev_priv);
- if (resume && dev_priv->dmc.dmc_payload)
+ if (resume && intel_dmc_has_payload(dev_priv))
intel_dmc_load_program(dev_priv);
}
@@ -5712,7 +5712,7 @@ static void cnl_display_core_init(struct drm_i915_private *dev_priv, bool resume
/* 6. Enable DBUF */
gen9_dbuf_enable(dev_priv);
- if (resume && dev_priv->dmc.dmc_payload)
+ if (resume && intel_dmc_has_payload(dev_priv))
intel_dmc_load_program(dev_priv);
}
@@ -5869,7 +5869,7 @@ static void icl_display_core_init(struct drm_i915_private *dev_priv,
if (DISPLAY_VER(dev_priv) >= 12)
tgl_bw_buddy_init(dev_priv);
- if (resume && dev_priv->dmc.dmc_payload)
+ if (resume && intel_dmc_has_payload(dev_priv))
intel_dmc_load_program(dev_priv);
/* Wa_14011508470 */
@@ -6230,7 +6230,7 @@ void intel_power_domains_suspend(struct drm_i915_private *i915,
*/
if (!(i915->dmc.allowed_dc_mask & DC_STATE_EN_DC9) &&
suspend_mode == I915_DRM_SUSPEND_IDLE &&
- i915->dmc.dmc_payload) {
+ intel_dmc_has_payload(i915)) {
intel_display_power_flush_work(i915);
intel_power_domains_verify_state(i915);
return;
@@ -6420,7 +6420,7 @@ void intel_display_power_resume(struct drm_i915_private *i915)
if (DISPLAY_VER(i915) >= 11) {
bxt_disable_dc9(i915);
icl_display_core_init(i915, true);
- if (i915->dmc.dmc_payload) {
+ if (intel_dmc_has_payload(i915)) {
if (i915->dmc.allowed_dc_mask &
DC_STATE_EN_UPTO_DC6)
skl_enable_dc6(i915);
@@ -6431,7 +6431,7 @@ void intel_display_power_resume(struct drm_i915_private *i915)
} else if (IS_GEMINILAKE(i915) || IS_BROXTON(i915)) {
bxt_disable_dc9(i915);
bxt_display_core_init(i915, true);
- if (i915->dmc.dmc_payload &&
+ if (intel_dmc_has_payload(i915) &&
(i915->dmc.allowed_dc_mask & DC_STATE_EN_UPTO_DC5))
gen9_enable_dc5(i915);
} else if (IS_HASWELL(i915) || IS_BROADWELL(i915)) {
diff --git a/drivers/gpu/drm/i915/display/intel_dmc.c b/drivers/gpu/drm/i915/display/intel_dmc.c
index d71758cd0b18..a663d1df8962 100644
--- a/drivers/gpu/drm/i915/display/intel_dmc.c
+++ b/drivers/gpu/drm/i915/display/intel_dmc.c
@@ -237,6 +237,11 @@ struct stepping_info {
char substepping;
};
+bool intel_dmc_has_payload(struct drm_i915_private *dev_priv)
+{
+ return dev_priv->dmc.dmc_payload;
+}
+
static const struct stepping_info skl_stepping_info[] = {
{'A', '0'}, {'B', '0'}, {'C', '0'},
{'D', '0'}, {'E', '0'}, {'F', '0'},
@@ -320,7 +325,7 @@ void intel_dmc_load_program(struct drm_i915_private *dev_priv)
return;
}
- if (!dev_priv->dmc.dmc_payload) {
+ if (!intel_dmc_has_payload(dev_priv)) {
drm_err(&dev_priv->drm,
"Tried to program CSR with empty payload\n");
return;
@@ -659,7 +664,7 @@ static void dmc_load_work_fn(struct work_struct *work)
request_firmware(&fw, dev_priv->dmc.fw_path, dev_priv->drm.dev);
parse_dmc_fw(dev_priv, fw);
- if (dev_priv->dmc.dmc_payload) {
+ if (intel_dmc_has_payload(dev_priv)) {
intel_dmc_load_program(dev_priv);
intel_dmc_runtime_pm_put(dev_priv);
@@ -788,7 +793,7 @@ void intel_dmc_ucode_suspend(struct drm_i915_private *dev_priv)
flush_work(&dev_priv->dmc.work);
/* Drop the reference held in case DMC isn't loaded. */
- if (!dev_priv->dmc.dmc_payload)
+ if (!intel_dmc_has_payload(dev_priv))
intel_dmc_runtime_pm_put(dev_priv);
}
@@ -808,7 +813,7 @@ void intel_dmc_ucode_resume(struct drm_i915_private *dev_priv)
* Reacquire the reference to keep RPM disabled in case DMC isn't
* loaded.
*/
- if (!dev_priv->dmc.dmc_payload)
+ if (!intel_dmc_has_payload(dev_priv))
intel_dmc_runtime_pm_get(dev_priv);
}
diff --git a/drivers/gpu/drm/i915/display/intel_dmc.h b/drivers/gpu/drm/i915/display/intel_dmc.h
index 57dd99da0ced..8baeb85cf8db 100644
--- a/drivers/gpu/drm/i915/display/intel_dmc.h
+++ b/drivers/gpu/drm/i915/display/intel_dmc.h
@@ -6,16 +6,38 @@
#ifndef __INTEL_DMC_H__
#define __INTEL_DMC_H__
+#include <drm/drm_util.h>
+#include "intel_wakeref.h"
+#include "i915_reg.h"
+
struct drm_i915_private;
#define DMC_VERSION(major, minor) ((major) << 16 | (minor))
#define DMC_VERSION_MAJOR(version) ((version) >> 16)
#define DMC_VERSION_MINOR(version) ((version) & 0xffff)
+struct intel_dmc {
+ struct work_struct work;
+ const char *fw_path;
+ u32 required_version;
+ u32 max_fw_size; /* bytes */
+ u32 *dmc_payload;
+ u32 dmc_fw_size; /* dwords */
+ u32 version;
+ u32 mmio_count;
+ i915_reg_t mmioaddr[20];
+ u32 mmiodata[20];
+ u32 dc_state;
+ u32 target_dc_state;
+ u32 allowed_dc_mask;
+ intel_wakeref_t wakeref;
+};
+
void intel_dmc_ucode_init(struct drm_i915_private *i915);
void intel_dmc_load_program(struct drm_i915_private *i915);
void intel_dmc_ucode_fini(struct drm_i915_private *i915);
void intel_dmc_ucode_suspend(struct drm_i915_private *i915);
void intel_dmc_ucode_resume(struct drm_i915_private *i915);
+bool intel_dmc_has_payload(struct drm_i915_private *i915);
#endif /* __INTEL_DMC_H__ */
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 9cb02618ba15..b5962768a1f1 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -67,6 +67,7 @@
#include "display/intel_bios.h"
#include "display/intel_display.h"
#include "display/intel_display_power.h"
+#include "display/intel_dmc.h"
#include "display/intel_dpll_mgr.h"
#include "display/intel_dsb.h"
#include "display/intel_frontbuffer.h"
@@ -328,23 +329,6 @@ struct drm_i915_display_funcs {
void (*read_luts)(struct intel_crtc_state *crtc_state);
};
-struct intel_dmc {
- struct work_struct work;
- const char *fw_path;
- u32 required_version;
- u32 max_fw_size; /* bytes */
- u32 *dmc_payload;
- u32 dmc_fw_size; /* dwords */
- u32 version;
- u32 mmio_count;
- i915_reg_t mmioaddr[20];
- u32 mmiodata[20];
- u32 dc_state;
- u32 target_dc_state;
- u32 allowed_dc_mask;
- intel_wakeref_t wakeref;
-};
-
enum i915_cache_level {
I915_CACHE_NONE = 0,
I915_CACHE_LLC, /* also used for snoopable memory on non-LLC */
diff --git a/drivers/gpu/drm/i915/i915_gpu_error.c b/drivers/gpu/drm/i915/i915_gpu_error.c
index 8b964e355cb5..833d3e8b7631 100644
--- a/drivers/gpu/drm/i915/i915_gpu_error.c
+++ b/drivers/gpu/drm/i915/i915_gpu_error.c
@@ -792,7 +792,7 @@ static void __err_print_to_sgl(struct drm_i915_error_state_buf *m,
struct intel_dmc *dmc = &m->i915->dmc;
err_printf(m, "DMC loaded: %s\n",
- yesno(dmc->dmc_payload));
+ yesno(intel_dmc_has_payload(m->i915) != 0));
err_printf(m, "DMC fw version: %d.%d\n",
DMC_VERSION_MAJOR(dmc->version),
DMC_VERSION_MINOR(dmc->version));
--
2.25.0
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