};
struct intel_dmc {
- struct drm_i915_private *i915;
+ struct intel_display *display;
struct work_struct work;
const char *fw_path;
u32 max_fw_size; /* bytes */
};
/* Note: This may be NULL. */
-static struct intel_dmc *i915_to_dmc(struct drm_i915_private *i915)
+static struct intel_dmc *display_to_dmc(struct intel_display *display)
{
- return i915->display.dmc.dmc;
+ return display->dmc.dmc;
}
-static const char *dmc_firmware_param(struct drm_i915_private *i915)
+static const char *dmc_firmware_param(struct intel_display *display)
{
- const char *p = i915->display.params.dmc_firmware_path;
+ const char *p = display->params.dmc_firmware_path;
return p && *p ? p : NULL;
}
-static bool dmc_firmware_param_disabled(struct drm_i915_private *i915)
+static bool dmc_firmware_param_disabled(struct intel_display *display)
{
- const char *p = dmc_firmware_param(i915);
+ const char *p = dmc_firmware_param(display);
/* Magic path to indicate disabled */
return p && !strcmp(p, "/dev/null");
#define BXT_DMC_MAX_FW_SIZE 0x3000
MODULE_FIRMWARE(BXT_DMC_PATH);
-static const char *dmc_firmware_default(struct drm_i915_private *i915, u32 *size)
+static const char *dmc_firmware_default(struct intel_display *display, u32 *size)
{
+ struct drm_i915_private *i915 = to_i915(display->drm);
const char *fw_path = NULL;
u32 max_fw_size = 0;
- if (DISPLAY_VER_FULL(i915) == IP_VER(20, 0)) {
+ if (DISPLAY_VER_FULL(display) == IP_VER(20, 0)) {
fw_path = XE2LPD_DMC_PATH;
max_fw_size = XE2LPD_DMC_MAX_FW_SIZE;
- } else if (DISPLAY_VER_FULL(i915) == IP_VER(14, 1)) {
+ } else if (DISPLAY_VER_FULL(display) == IP_VER(14, 1)) {
fw_path = BMG_DMC_PATH;
max_fw_size = XELPDP_DMC_MAX_FW_SIZE;
- } else if (DISPLAY_VER_FULL(i915) == IP_VER(14, 0)) {
+ } else if (DISPLAY_VER_FULL(display) == IP_VER(14, 0)) {
fw_path = MTL_DMC_PATH;
max_fw_size = XELPDP_DMC_MAX_FW_SIZE;
} else if (IS_DG2(i915)) {
} else if (IS_TIGERLAKE(i915)) {
fw_path = TGL_DMC_PATH;
max_fw_size = DISPLAY_VER12_DMC_MAX_FW_SIZE;
- } else if (DISPLAY_VER(i915) == 11) {
+ } else if (DISPLAY_VER(display) == 11) {
fw_path = ICL_DMC_PATH;
max_fw_size = ICL_DMC_MAX_FW_SIZE;
} else if (IS_GEMINILAKE(i915)) {
return dmc_id >= DMC_FW_MAIN && dmc_id < DMC_FW_MAX;
}
-static bool has_dmc_id_fw(struct drm_i915_private *i915, enum intel_dmc_id dmc_id)
+static bool has_dmc_id_fw(struct intel_display *display, enum intel_dmc_id dmc_id)
{
- struct intel_dmc *dmc = i915_to_dmc(i915);
+ struct intel_dmc *dmc = display_to_dmc(display);
return dmc && dmc->dmc_info[dmc_id].payload;
}
-bool intel_dmc_has_payload(struct drm_i915_private *i915)
+bool intel_dmc_has_payload(struct intel_display *display)
{
- return has_dmc_id_fw(i915, DMC_FW_MAIN);
+ return has_dmc_id_fw(display, DMC_FW_MAIN);
}
static const struct stepping_info *
-intel_get_stepping_info(struct drm_i915_private *i915,
+intel_get_stepping_info(struct intel_display *display,
struct stepping_info *si)
{
- const char *step_name = intel_step_name(INTEL_DISPLAY_STEP(i915));
+ const char *step_name = intel_step_name(INTEL_DISPLAY_STEP(display));
si->stepping = step_name[0];
si->substepping = step_name[1];
return si;
}
-static void gen9_set_dc_state_debugmask(struct drm_i915_private *i915)
+static void gen9_set_dc_state_debugmask(struct intel_display *display)
{
/* The below bit doesn't need to be cleared ever afterwards */
- intel_de_rmw(i915, DC_STATE_DEBUG, 0,
+ intel_de_rmw(display, DC_STATE_DEBUG, 0,
DC_STATE_DEBUG_MASK_CORES | DC_STATE_DEBUG_MASK_MEMORY_UP);
- intel_de_posting_read(i915, DC_STATE_DEBUG);
+ intel_de_posting_read(display, DC_STATE_DEBUG);
}
-static void disable_event_handler(struct drm_i915_private *i915,
+static void disable_event_handler(struct intel_display *display,
i915_reg_t ctl_reg, i915_reg_t htp_reg)
{
- intel_de_write(i915, ctl_reg,
+ intel_de_write(display, ctl_reg,
REG_FIELD_PREP(DMC_EVT_CTL_TYPE_MASK,
DMC_EVT_CTL_TYPE_EDGE_0_1) |
REG_FIELD_PREP(DMC_EVT_CTL_EVENT_ID_MASK,
DMC_EVT_CTL_EVENT_ID_FALSE));
- intel_de_write(i915, htp_reg, 0);
+ intel_de_write(display, htp_reg, 0);
}
-static void disable_all_event_handlers(struct drm_i915_private *i915)
+static void disable_all_event_handlers(struct intel_display *display)
{
enum intel_dmc_id dmc_id;
/* TODO: disable the event handlers on pre-GEN12 platforms as well */
- if (DISPLAY_VER(i915) < 12)
+ if (DISPLAY_VER(display) < 12)
return;
for_each_dmc_id(dmc_id) {
int handler;
- if (!has_dmc_id_fw(i915, dmc_id))
+ if (!has_dmc_id_fw(display, dmc_id))
continue;
for (handler = 0; handler < DMC_EVENT_HANDLER_COUNT_GEN12; handler++)
- disable_event_handler(i915,
- DMC_EVT_CTL(i915, dmc_id, handler),
- DMC_EVT_HTP(i915, dmc_id, handler));
+ disable_event_handler(display,
+ DMC_EVT_CTL(display, dmc_id, handler),
+ DMC_EVT_HTP(display, dmc_id, handler));
}
}
-static void adlp_pipedmc_clock_gating_wa(struct drm_i915_private *i915, bool enable)
+static void adlp_pipedmc_clock_gating_wa(struct intel_display *display, bool enable)
{
enum pipe pipe;
*/
if (enable)
for (pipe = PIPE_A; pipe <= PIPE_D; pipe++)
- intel_de_rmw(i915, CLKGATE_DIS_PSL_EXT(pipe),
+ intel_de_rmw(display, CLKGATE_DIS_PSL_EXT(pipe),
0, PIPEDMC_GATING_DIS);
else
for (pipe = PIPE_C; pipe <= PIPE_D; pipe++)
- intel_de_rmw(i915, CLKGATE_DIS_PSL_EXT(pipe),
+ intel_de_rmw(display, CLKGATE_DIS_PSL_EXT(pipe),
PIPEDMC_GATING_DIS, 0);
}
-static void mtl_pipedmc_clock_gating_wa(struct drm_i915_private *i915)
+static void mtl_pipedmc_clock_gating_wa(struct intel_display *display)
{
/*
* Wa_16015201720
* The WA requires clock gating to be disabled all the time
* for pipe A and B.
*/
- intel_de_rmw(i915, GEN9_CLKGATE_DIS_0, 0,
+ intel_de_rmw(display, GEN9_CLKGATE_DIS_0, 0,
MTL_PIPEDMC_GATING_DIS_A | MTL_PIPEDMC_GATING_DIS_B);
}
-static void pipedmc_clock_gating_wa(struct drm_i915_private *i915, bool enable)
+static void pipedmc_clock_gating_wa(struct intel_display *display, bool enable)
{
- if (DISPLAY_VER(i915) >= 14 && enable)
- mtl_pipedmc_clock_gating_wa(i915);
- else if (DISPLAY_VER(i915) == 13)
- adlp_pipedmc_clock_gating_wa(i915, enable);
+ if (DISPLAY_VER(display) >= 14 && enable)
+ mtl_pipedmc_clock_gating_wa(display);
+ else if (DISPLAY_VER(display) == 13)
+ adlp_pipedmc_clock_gating_wa(display, enable);
}
-void intel_dmc_enable_pipe(struct drm_i915_private *i915, enum pipe pipe)
+void intel_dmc_enable_pipe(struct intel_display *display, enum pipe pipe)
{
enum intel_dmc_id dmc_id = PIPE_TO_DMC_ID(pipe);
- if (!is_valid_dmc_id(dmc_id) || !has_dmc_id_fw(i915, dmc_id))
+ if (!is_valid_dmc_id(dmc_id) || !has_dmc_id_fw(display, dmc_id))
return;
- if (DISPLAY_VER(i915) >= 14)
- intel_de_rmw(i915, MTL_PIPEDMC_CONTROL, 0, PIPEDMC_ENABLE_MTL(pipe));
+ if (DISPLAY_VER(display) >= 14)
+ intel_de_rmw(display, MTL_PIPEDMC_CONTROL, 0, PIPEDMC_ENABLE_MTL(pipe));
else
- intel_de_rmw(i915, PIPEDMC_CONTROL(pipe), 0, PIPEDMC_ENABLE);
+ intel_de_rmw(display, PIPEDMC_CONTROL(pipe), 0, PIPEDMC_ENABLE);
}
-void intel_dmc_disable_pipe(struct drm_i915_private *i915, enum pipe pipe)
+void intel_dmc_disable_pipe(struct intel_display *display, enum pipe pipe)
{
enum intel_dmc_id dmc_id = PIPE_TO_DMC_ID(pipe);
- if (!is_valid_dmc_id(dmc_id) || !has_dmc_id_fw(i915, dmc_id))
+ if (!is_valid_dmc_id(dmc_id) || !has_dmc_id_fw(display, dmc_id))
return;
- if (DISPLAY_VER(i915) >= 14)
- intel_de_rmw(i915, MTL_PIPEDMC_CONTROL, PIPEDMC_ENABLE_MTL(pipe), 0);
+ if (DISPLAY_VER(display) >= 14)
+ intel_de_rmw(display, MTL_PIPEDMC_CONTROL, PIPEDMC_ENABLE_MTL(pipe), 0);
else
- intel_de_rmw(i915, PIPEDMC_CONTROL(pipe), PIPEDMC_ENABLE, 0);
+ intel_de_rmw(display, PIPEDMC_CONTROL(pipe), PIPEDMC_ENABLE, 0);
}
-static bool is_dmc_evt_ctl_reg(struct drm_i915_private *i915,
+static bool is_dmc_evt_ctl_reg(struct intel_display *display,
enum intel_dmc_id dmc_id, i915_reg_t reg)
{
u32 offset = i915_mmio_reg_offset(reg);
- u32 start = i915_mmio_reg_offset(DMC_EVT_CTL(i915, dmc_id, 0));
- u32 end = i915_mmio_reg_offset(DMC_EVT_CTL(i915, dmc_id, DMC_EVENT_HANDLER_COUNT_GEN12));
+ u32 start = i915_mmio_reg_offset(DMC_EVT_CTL(display, dmc_id, 0));
+ u32 end = i915_mmio_reg_offset(DMC_EVT_CTL(display, dmc_id, DMC_EVENT_HANDLER_COUNT_GEN12));
return offset >= start && offset < end;
}
-static bool is_dmc_evt_htp_reg(struct drm_i915_private *i915,
+static bool is_dmc_evt_htp_reg(struct intel_display *display,
enum intel_dmc_id dmc_id, i915_reg_t reg)
{
u32 offset = i915_mmio_reg_offset(reg);
- u32 start = i915_mmio_reg_offset(DMC_EVT_HTP(i915, dmc_id, 0));
- u32 end = i915_mmio_reg_offset(DMC_EVT_HTP(i915, dmc_id, DMC_EVENT_HANDLER_COUNT_GEN12));
+ u32 start = i915_mmio_reg_offset(DMC_EVT_HTP(display, dmc_id, 0));
+ u32 end = i915_mmio_reg_offset(DMC_EVT_HTP(display, dmc_id, DMC_EVENT_HANDLER_COUNT_GEN12));
return offset >= start && offset < end;
}
-static bool disable_dmc_evt(struct drm_i915_private *i915,
+static bool disable_dmc_evt(struct intel_display *display,
enum intel_dmc_id dmc_id,
i915_reg_t reg, u32 data)
{
- if (!is_dmc_evt_ctl_reg(i915, dmc_id, reg))
+ struct drm_i915_private *i915 = to_i915(display->drm);
+
+ if (!is_dmc_evt_ctl_reg(display, dmc_id, reg))
return false;
/* keep all pipe DMC events disabled by default */
return false;
}
-static u32 dmc_mmiodata(struct drm_i915_private *i915,
+static u32 dmc_mmiodata(struct intel_display *display,
struct intel_dmc *dmc,
enum intel_dmc_id dmc_id, int i)
{
- if (disable_dmc_evt(i915, dmc_id,
+ if (disable_dmc_evt(display, dmc_id,
dmc->dmc_info[dmc_id].mmioaddr[i],
dmc->dmc_info[dmc_id].mmiodata[i]))
return REG_FIELD_PREP(DMC_EVT_CTL_TYPE_MASK,
/**
* intel_dmc_load_program() - write the firmware from memory to register.
- * @i915: i915 drm device.
+ * @display: display instance
*
* DMC firmware is read from a .bin file and kept in internal memory one time.
* Everytime display comes back from low power state this function is called to
* copy the firmware from internal memory to registers.
*/
-void intel_dmc_load_program(struct drm_i915_private *i915)
+void intel_dmc_load_program(struct intel_display *display)
{
- struct i915_power_domains *power_domains = &i915->display.power.domains;
- struct intel_dmc *dmc = i915_to_dmc(i915);
+ struct drm_i915_private *i915 __maybe_unused = to_i915(display->drm);
+ struct i915_power_domains *power_domains = &display->power.domains;
+ struct intel_dmc *dmc = display_to_dmc(display);
enum intel_dmc_id dmc_id;
u32 i;
- if (!intel_dmc_has_payload(i915))
+ if (!intel_dmc_has_payload(display))
return;
- pipedmc_clock_gating_wa(i915, true);
+ pipedmc_clock_gating_wa(display, true);
- disable_all_event_handlers(i915);
+ disable_all_event_handlers(display);
assert_rpm_wakelock_held(&i915->runtime_pm);
for_each_dmc_id(dmc_id) {
for (i = 0; i < dmc->dmc_info[dmc_id].dmc_fw_size; i++) {
- intel_de_write_fw(i915,
+ intel_de_write_fw(display,
DMC_PROGRAM(dmc->dmc_info[dmc_id].start_mmioaddr, i),
dmc->dmc_info[dmc_id].payload[i]);
}
for_each_dmc_id(dmc_id) {
for (i = 0; i < dmc->dmc_info[dmc_id].mmio_count; i++) {
- intel_de_write(i915, dmc->dmc_info[dmc_id].mmioaddr[i],
- dmc_mmiodata(i915, dmc, dmc_id, i));
+ intel_de_write(display, dmc->dmc_info[dmc_id].mmioaddr[i],
+ dmc_mmiodata(display, dmc, dmc_id, i));
}
}
power_domains->dc_state = 0;
- gen9_set_dc_state_debugmask(i915);
+ gen9_set_dc_state_debugmask(display);
- pipedmc_clock_gating_wa(i915, false);
+ pipedmc_clock_gating_wa(display, false);
}
/**
* intel_dmc_disable_program() - disable the firmware
- * @i915: i915 drm device
+ * @display: display instance
*
* Disable all event handlers in the firmware, making sure the firmware is
* inactive after the display is uninitialized.
*/
-void intel_dmc_disable_program(struct drm_i915_private *i915)
+void intel_dmc_disable_program(struct intel_display *display)
{
- if (!intel_dmc_has_payload(i915))
+ if (!intel_dmc_has_payload(display))
return;
- pipedmc_clock_gating_wa(i915, true);
- disable_all_event_handlers(i915);
- pipedmc_clock_gating_wa(i915, false);
+ pipedmc_clock_gating_wa(display, true);
+ disable_all_event_handlers(display);
+ pipedmc_clock_gating_wa(display, false);
- intel_dmc_wl_disable(&i915->display);
+ intel_dmc_wl_disable(display);
}
-void assert_dmc_loaded(struct drm_i915_private *i915)
+void assert_dmc_loaded(struct intel_display *display)
{
- struct intel_dmc *dmc = i915_to_dmc(i915);
+ struct intel_dmc *dmc = display_to_dmc(display);
- drm_WARN_ONCE(&i915->drm, !dmc, "DMC not initialized\n");
- drm_WARN_ONCE(&i915->drm, dmc &&
- !intel_de_read(i915, DMC_PROGRAM(dmc->dmc_info[DMC_FW_MAIN].start_mmioaddr, 0)),
+ drm_WARN_ONCE(display->drm, !dmc, "DMC not initialized\n");
+ drm_WARN_ONCE(display->drm, dmc &&
+ !intel_de_read(display, DMC_PROGRAM(dmc->dmc_info[DMC_FW_MAIN].start_mmioaddr, 0)),
"DMC program storage start is NULL\n");
- drm_WARN_ONCE(&i915->drm, !intel_de_read(i915, DMC_SSP_BASE),
+ drm_WARN_ONCE(display->drm, !intel_de_read(display, DMC_SSP_BASE),
"DMC SSP Base Not fine\n");
- drm_WARN_ONCE(&i915->drm, !intel_de_read(i915, DMC_HTP_SKL),
+ drm_WARN_ONCE(display->drm, !intel_de_read(display, DMC_HTP_SKL),
"DMC HTP Not fine\n");
}
const struct stepping_info *si,
u8 package_ver)
{
- struct drm_i915_private *i915 = dmc->i915;
+ struct intel_display *display = dmc->display;
enum intel_dmc_id dmc_id;
unsigned int i;
dmc_id = package_ver <= 1 ? DMC_FW_MAIN : fw_info[i].dmc_id;
if (!is_valid_dmc_id(dmc_id)) {
- drm_dbg(&i915->drm, "Unsupported firmware id: %u\n", dmc_id);
+ drm_dbg(display->drm, "Unsupported firmware id: %u\n", dmc_id);
continue;
}
const u32 *mmioaddr, u32 mmio_count,
int header_ver, enum intel_dmc_id dmc_id)
{
- struct drm_i915_private *i915 = dmc->i915;
+ struct intel_display *display = dmc->display;
u32 start_range, end_range;
int i;
} else if (dmc_id == DMC_FW_MAIN) {
start_range = TGL_MAIN_MMIO_START;
end_range = TGL_MAIN_MMIO_END;
- } else if (DISPLAY_VER(i915) >= 13) {
+ } else if (DISPLAY_VER(display) >= 13) {
start_range = ADLP_PIPE_MMIO_START;
end_range = ADLP_PIPE_MMIO_END;
- } else if (DISPLAY_VER(i915) >= 12) {
+ } else if (DISPLAY_VER(display) >= 12) {
start_range = TGL_PIPE_MMIO_START(dmc_id);
end_range = TGL_PIPE_MMIO_END(dmc_id);
} else {
- drm_warn(&i915->drm, "Unknown mmio range for sanity check");
+ drm_warn(display->drm, "Unknown mmio range for sanity check");
return false;
}
const struct intel_dmc_header_base *dmc_header,
size_t rem_size, enum intel_dmc_id dmc_id)
{
- struct drm_i915_private *i915 = dmc->i915;
+ struct intel_display *display = dmc->display;
struct dmc_fw_info *dmc_info = &dmc->dmc_info[dmc_id];
unsigned int header_len_bytes, dmc_header_size, payload_size, i;
const u32 *mmioaddr, *mmiodata;
start_mmioaddr = DMC_V1_MMIO_START_RANGE;
dmc_header_size = sizeof(*v1);
} else {
- drm_err(&i915->drm, "Unknown DMC fw header version: %u\n",
+ drm_err(display->drm, "Unknown DMC fw header version: %u\n",
dmc_header->header_ver);
return 0;
}
if (header_len_bytes != dmc_header_size) {
- drm_err(&i915->drm, "DMC firmware has wrong dmc header length "
+ drm_err(display->drm, "DMC firmware has wrong dmc header length "
"(%u bytes)\n", header_len_bytes);
return 0;
}
/* Cache the dmc header info. */
if (mmio_count > mmio_count_max) {
- drm_err(&i915->drm, "DMC firmware has wrong mmio count %u\n", mmio_count);
+ drm_err(display->drm, "DMC firmware has wrong mmio count %u\n", mmio_count);
return 0;
}
if (!dmc_mmio_addr_sanity_check(dmc, mmioaddr, mmio_count,
dmc_header->header_ver, dmc_id)) {
- drm_err(&i915->drm, "DMC firmware has Wrong MMIO Addresses\n");
+ drm_err(display->drm, "DMC firmware has Wrong MMIO Addresses\n");
return 0;
}
- drm_dbg_kms(&i915->drm, "DMC %d:\n", dmc_id);
+ drm_dbg_kms(display->drm, "DMC %d:\n", dmc_id);
for (i = 0; i < mmio_count; i++) {
dmc_info->mmioaddr[i] = _MMIO(mmioaddr[i]);
dmc_info->mmiodata[i] = mmiodata[i];
- drm_dbg_kms(&i915->drm, " mmio[%d]: 0x%x = 0x%x%s%s\n",
+ drm_dbg_kms(display->drm, " mmio[%d]: 0x%x = 0x%x%s%s\n",
i, mmioaddr[i], mmiodata[i],
- is_dmc_evt_ctl_reg(i915, dmc_id, dmc_info->mmioaddr[i]) ? " (EVT_CTL)" :
- is_dmc_evt_htp_reg(i915, dmc_id, dmc_info->mmioaddr[i]) ? " (EVT_HTP)" : "",
- disable_dmc_evt(i915, dmc_id, dmc_info->mmioaddr[i],
+ is_dmc_evt_ctl_reg(display, dmc_id, dmc_info->mmioaddr[i]) ? " (EVT_CTL)" :
+ is_dmc_evt_htp_reg(display, dmc_id, dmc_info->mmioaddr[i]) ? " (EVT_HTP)" : "",
+ disable_dmc_evt(display, dmc_id, dmc_info->mmioaddr[i],
dmc_info->mmiodata[i]) ? " (disabling)" : "");
}
dmc_info->mmio_count = mmio_count;
goto error_truncated;
if (payload_size > dmc->max_fw_size) {
- drm_err(&i915->drm, "DMC FW too big (%u bytes)\n", payload_size);
+ drm_err(display->drm, "DMC FW too big (%u bytes)\n", payload_size);
return 0;
}
dmc_info->dmc_fw_size = dmc_header->fw_size;
return header_len_bytes + payload_size;
error_truncated:
- drm_err(&i915->drm, "Truncated DMC firmware, refusing.\n");
+ drm_err(display->drm, "Truncated DMC firmware, refusing.\n");
return 0;
}
const struct stepping_info *si,
size_t rem_size)
{
- struct drm_i915_private *i915 = dmc->i915;
+ struct intel_display *display = dmc->display;
u32 package_size = sizeof(struct intel_package_header);
u32 num_entries, max_entries;
const struct intel_fw_info *fw_info;
} else if (package_header->header_ver == 2) {
max_entries = PACKAGE_V2_MAX_FW_INFO_ENTRIES;
} else {
- drm_err(&i915->drm, "DMC firmware has unknown header version %u\n",
+ drm_err(display->drm, "DMC firmware has unknown header version %u\n",
package_header->header_ver);
return 0;
}
goto error_truncated;
if (package_header->header_len * 4 != package_size) {
- drm_err(&i915->drm, "DMC firmware has wrong package header length "
+ drm_err(display->drm, "DMC firmware has wrong package header length "
"(%u bytes)\n", package_size);
return 0;
}
return package_size;
error_truncated:
- drm_err(&i915->drm, "Truncated DMC firmware, refusing.\n");
+ drm_err(display->drm, "Truncated DMC firmware, refusing.\n");
return 0;
}
struct intel_css_header *css_header,
size_t rem_size)
{
- struct drm_i915_private *i915 = dmc->i915;
+ struct intel_display *display = dmc->display;
if (rem_size < sizeof(struct intel_css_header)) {
- drm_err(&i915->drm, "Truncated DMC firmware, refusing.\n");
+ drm_err(display->drm, "Truncated DMC firmware, refusing.\n");
return 0;
}
if (sizeof(struct intel_css_header) !=
(css_header->header_len * 4)) {
- drm_err(&i915->drm, "DMC firmware has wrong CSS header length "
+ drm_err(display->drm, "DMC firmware has wrong CSS header length "
"(%u bytes)\n",
(css_header->header_len * 4));
return 0;
static int parse_dmc_fw(struct intel_dmc *dmc, const struct firmware *fw)
{
- struct drm_i915_private *i915 = dmc->i915;
+ struct intel_display *display = dmc->display;
struct intel_css_header *css_header;
struct intel_package_header *package_header;
struct intel_dmc_header_base *dmc_header;
struct stepping_info display_info = { '*', '*'};
- const struct stepping_info *si = intel_get_stepping_info(i915, &display_info);
+ const struct stepping_info *si = intel_get_stepping_info(display, &display_info);
enum intel_dmc_id dmc_id;
u32 readcount = 0;
u32 r, offset;
offset = readcount + dmc->dmc_info[dmc_id].dmc_offset * 4;
if (offset > fw->size) {
- drm_err(&i915->drm, "Reading beyond the fw_size\n");
+ drm_err(display->drm, "Reading beyond the fw_size\n");
continue;
}
parse_dmc_fw_header(dmc, dmc_header, fw->size - offset, dmc_id);
}
- if (!intel_dmc_has_payload(i915)) {
- drm_err(&i915->drm, "DMC firmware main program not found\n");
+ if (!intel_dmc_has_payload(display)) {
+ drm_err(display->drm, "DMC firmware main program not found\n");
return -ENOENT;
}
return 0;
}
-static void intel_dmc_runtime_pm_get(struct drm_i915_private *i915)
+static void intel_dmc_runtime_pm_get(struct intel_display *display)
{
- drm_WARN_ON(&i915->drm, i915->display.dmc.wakeref);
- i915->display.dmc.wakeref = intel_display_power_get(i915, POWER_DOMAIN_INIT);
+ struct drm_i915_private *i915 = to_i915(display->drm);
+
+ drm_WARN_ON(display->drm, display->dmc.wakeref);
+ display->dmc.wakeref = intel_display_power_get(i915, POWER_DOMAIN_INIT);
}
-static void intel_dmc_runtime_pm_put(struct drm_i915_private *i915)
+static void intel_dmc_runtime_pm_put(struct intel_display *display)
{
+ struct drm_i915_private *i915 = to_i915(display->drm);
intel_wakeref_t wakeref __maybe_unused =
- fetch_and_zero(&i915->display.dmc.wakeref);
+ fetch_and_zero(&display->dmc.wakeref);
intel_display_power_put(i915, POWER_DOMAIN_INIT, wakeref);
}
-static const char *dmc_fallback_path(struct drm_i915_private *i915)
+static const char *dmc_fallback_path(struct intel_display *display)
{
+ struct drm_i915_private *i915 = to_i915(display->drm);
+
if (IS_ALDERLAKE_P(i915))
return ADLP_DMC_FALLBACK_PATH;
static void dmc_load_work_fn(struct work_struct *work)
{
struct intel_dmc *dmc = container_of(work, typeof(*dmc), work);
- struct drm_i915_private *i915 = dmc->i915;
+ struct intel_display *display = dmc->display;
const struct firmware *fw = NULL;
const char *fallback_path;
int err;
- err = request_firmware(&fw, dmc->fw_path, i915->drm.dev);
+ err = request_firmware(&fw, dmc->fw_path, display->drm->dev);
- if (err == -ENOENT && !dmc_firmware_param(i915)) {
- fallback_path = dmc_fallback_path(i915);
+ if (err == -ENOENT && !dmc_firmware_param(display)) {
+ fallback_path = dmc_fallback_path(display);
if (fallback_path) {
- drm_dbg_kms(&i915->drm, "%s not found, falling back to %s\n",
+ drm_dbg_kms(display->drm, "%s not found, falling back to %s\n",
dmc->fw_path, fallback_path);
- err = request_firmware(&fw, fallback_path, i915->drm.dev);
+ err = request_firmware(&fw, fallback_path, display->drm->dev);
if (err == 0)
dmc->fw_path = fallback_path;
}
}
if (err) {
- drm_notice(&i915->drm,
+ drm_notice(display->drm,
"Failed to load DMC firmware %s (%pe). Disabling runtime power management.\n",
dmc->fw_path, ERR_PTR(err));
- drm_notice(&i915->drm, "DMC firmware homepage: %s",
+ drm_notice(display->drm, "DMC firmware homepage: %s",
INTEL_DMC_FIRMWARE_URL);
return;
}
err = parse_dmc_fw(dmc, fw);
if (err) {
- drm_notice(&i915->drm,
+ drm_notice(display->drm,
"Failed to parse DMC firmware %s (%pe). Disabling runtime power management.\n",
dmc->fw_path, ERR_PTR(err));
goto out;
}
- intel_dmc_load_program(i915);
- intel_dmc_runtime_pm_put(i915);
+ intel_dmc_load_program(display);
+ intel_dmc_runtime_pm_put(display);
- drm_info(&i915->drm, "Finished loading DMC firmware %s (v%u.%u)\n",
+ drm_info(display->drm, "Finished loading DMC firmware %s (v%u.%u)\n",
dmc->fw_path, DMC_VERSION_MAJOR(dmc->version),
DMC_VERSION_MINOR(dmc->version));
/**
* intel_dmc_init() - initialize the firmware loading.
- * @i915: i915 drm device.
+ * @display: display instance
*
* This function is called at the time of loading the display driver to read
* firmware from a .bin file and copied into a internal memory.
*/
-void intel_dmc_init(struct drm_i915_private *i915)
+void intel_dmc_init(struct intel_display *display)
{
+ struct drm_i915_private *i915 = to_i915(display->drm);
struct intel_dmc *dmc;
- if (!HAS_DMC(i915))
+ if (!HAS_DMC(display))
return;
/*
* suspend as runtime suspend *requires* a working DMC for whatever
* reason.
*/
- intel_dmc_runtime_pm_get(i915);
+ intel_dmc_runtime_pm_get(display);
dmc = kzalloc(sizeof(*dmc), GFP_KERNEL);
if (!dmc)
return;
- dmc->i915 = i915;
+ dmc->display = display;
INIT_WORK(&dmc->work, dmc_load_work_fn);
- dmc->fw_path = dmc_firmware_default(i915, &dmc->max_fw_size);
+ dmc->fw_path = dmc_firmware_default(display, &dmc->max_fw_size);
- if (dmc_firmware_param_disabled(i915)) {
- drm_info(&i915->drm, "Disabling DMC firmware and runtime PM\n");
+ if (dmc_firmware_param_disabled(display)) {
+ drm_info(display->drm, "Disabling DMC firmware and runtime PM\n");
goto out;
}
- if (dmc_firmware_param(i915))
- dmc->fw_path = dmc_firmware_param(i915);
+ if (dmc_firmware_param(display))
+ dmc->fw_path = dmc_firmware_param(display);
if (!dmc->fw_path) {
- drm_dbg_kms(&i915->drm,
+ drm_dbg_kms(display->drm,
"No known DMC firmware for platform, disabling runtime PM\n");
goto out;
}
- i915->display.dmc.dmc = dmc;
+ display->dmc.dmc = dmc;
- drm_dbg_kms(&i915->drm, "Loading %s\n", dmc->fw_path);
+ drm_dbg_kms(display->drm, "Loading %s\n", dmc->fw_path);
queue_work(i915->unordered_wq, &dmc->work);
return;
/**
* intel_dmc_suspend() - prepare DMC firmware before system suspend
- * @i915: i915 drm device
+ * @display: display instance
*
* Prepare the DMC firmware before entering system suspend. This includes
* flushing pending work items and releasing any resources acquired during
* init.
*/
-void intel_dmc_suspend(struct drm_i915_private *i915)
+void intel_dmc_suspend(struct intel_display *display)
{
- struct intel_dmc *dmc = i915_to_dmc(i915);
+ struct intel_dmc *dmc = display_to_dmc(display);
- if (!HAS_DMC(i915))
+ if (!HAS_DMC(display))
return;
if (dmc)
flush_work(&dmc->work);
- intel_dmc_wl_disable(&i915->display);
+ intel_dmc_wl_disable(display);
/* Drop the reference held in case DMC isn't loaded. */
- if (!intel_dmc_has_payload(i915))
- intel_dmc_runtime_pm_put(i915);
+ if (!intel_dmc_has_payload(display))
+ intel_dmc_runtime_pm_put(display);
}
/**
* intel_dmc_resume() - init DMC firmware during system resume
- * @i915: i915 drm device
+ * @display: display instance
*
* Reinitialize the DMC firmware during system resume, reacquiring any
* resources released in intel_dmc_suspend().
*/
-void intel_dmc_resume(struct drm_i915_private *i915)
+void intel_dmc_resume(struct intel_display *display)
{
- if (!HAS_DMC(i915))
+ if (!HAS_DMC(display))
return;
/*
* Reacquire the reference to keep RPM disabled in case DMC isn't
* loaded.
*/
- if (!intel_dmc_has_payload(i915))
- intel_dmc_runtime_pm_get(i915);
+ if (!intel_dmc_has_payload(display))
+ intel_dmc_runtime_pm_get(display);
}
/**
* intel_dmc_fini() - unload the DMC firmware.
- * @i915: i915 drm device.
+ * @display: display instance
*
* Firmmware unloading includes freeing the internal memory and reset the
* firmware loading status.
*/
-void intel_dmc_fini(struct drm_i915_private *i915)
+void intel_dmc_fini(struct intel_display *display)
{
- struct intel_dmc *dmc = i915_to_dmc(i915);
+ struct intel_dmc *dmc = display_to_dmc(display);
enum intel_dmc_id dmc_id;
- if (!HAS_DMC(i915))
+ if (!HAS_DMC(display))
return;
- intel_dmc_suspend(i915);
- drm_WARN_ON(&i915->drm, i915->display.dmc.wakeref);
+ intel_dmc_suspend(display);
+ drm_WARN_ON(display->drm, display->dmc.wakeref);
if (dmc) {
for_each_dmc_id(dmc_id)
kfree(dmc->dmc_info[dmc_id].payload);
kfree(dmc);
- i915->display.dmc.dmc = NULL;
+ display->dmc.dmc = NULL;
}
}
void intel_dmc_print_error_state(struct drm_printer *p,
- struct drm_i915_private *i915)
+ struct intel_display *display)
{
- struct intel_dmc *dmc = i915_to_dmc(i915);
+ struct intel_dmc *dmc = display_to_dmc(display);
- if (!HAS_DMC(i915))
+ if (!HAS_DMC(display))
return;
drm_printf(p, "DMC initialized: %s\n", str_yes_no(dmc));
drm_printf(p, "DMC loaded: %s\n",
- str_yes_no(intel_dmc_has_payload(i915)));
+ str_yes_no(intel_dmc_has_payload(display)));
if (dmc)
drm_printf(p, "DMC fw version: %d.%d\n",
DMC_VERSION_MAJOR(dmc->version),
static int intel_dmc_debugfs_status_show(struct seq_file *m, void *unused)
{
- struct drm_i915_private *i915 = m->private;
- struct intel_dmc *dmc = i915_to_dmc(i915);
+ struct intel_display *display = m->private;
+ struct drm_i915_private *i915 = to_i915(display->drm);
+ struct intel_dmc *dmc = display_to_dmc(display);
intel_wakeref_t wakeref;
i915_reg_t dc5_reg, dc6_reg = INVALID_MMIO_REG;
- if (!HAS_DMC(i915))
+ if (!HAS_DMC(display))
return -ENODEV;
wakeref = intel_runtime_pm_get(&i915->runtime_pm);
seq_printf(m, "DMC initialized: %s\n", str_yes_no(dmc));
seq_printf(m, "fw loaded: %s\n",
- str_yes_no(intel_dmc_has_payload(i915)));
+ str_yes_no(intel_dmc_has_payload(display)));
seq_printf(m, "path: %s\n", dmc ? dmc->fw_path : "N/A");
seq_printf(m, "Pipe A fw needed: %s\n",
- str_yes_no(DISPLAY_VER(i915) >= 12));
+ str_yes_no(DISPLAY_VER(display) >= 12));
seq_printf(m, "Pipe A fw loaded: %s\n",
- str_yes_no(has_dmc_id_fw(i915, DMC_FW_PIPEA)));
+ str_yes_no(has_dmc_id_fw(display, DMC_FW_PIPEA)));
seq_printf(m, "Pipe B fw needed: %s\n",
str_yes_no(IS_ALDERLAKE_P(i915) ||
- DISPLAY_VER(i915) >= 14));
+ DISPLAY_VER(display) >= 14));
seq_printf(m, "Pipe B fw loaded: %s\n",
- str_yes_no(has_dmc_id_fw(i915, DMC_FW_PIPEB)));
+ str_yes_no(has_dmc_id_fw(display, DMC_FW_PIPEB)));
- if (!intel_dmc_has_payload(i915))
+ if (!intel_dmc_has_payload(display))
goto out;
seq_printf(m, "version: %d.%d\n", DMC_VERSION_MAJOR(dmc->version),
DMC_VERSION_MINOR(dmc->version));
- if (DISPLAY_VER(i915) >= 12) {
+ if (DISPLAY_VER(display) >= 12) {
i915_reg_t dc3co_reg;
- if (IS_DGFX(i915) || DISPLAY_VER(i915) >= 14) {
+ if (IS_DGFX(i915) || DISPLAY_VER(display) >= 14) {
dc3co_reg = DG1_DMC_DEBUG3;
dc5_reg = DG1_DMC_DEBUG_DC5_COUNT;
} else {
}
seq_printf(m, "DC3CO count: %d\n",
- intel_de_read(i915, dc3co_reg));
+ intel_de_read(display, dc3co_reg));
} else {
dc5_reg = IS_BROXTON(i915) ? BXT_DMC_DC3_DC5_COUNT :
SKL_DMC_DC3_DC5_COUNT;
dc6_reg = SKL_DMC_DC5_DC6_COUNT;
}
- seq_printf(m, "DC3 -> DC5 count: %d\n", intel_de_read(i915, dc5_reg));
+ seq_printf(m, "DC3 -> DC5 count: %d\n", intel_de_read(display, dc5_reg));
if (i915_mmio_reg_valid(dc6_reg))
seq_printf(m, "DC5 -> DC6 count: %d\n",
- intel_de_read(i915, dc6_reg));
+ intel_de_read(display, dc6_reg));
seq_printf(m, "program base: 0x%08x\n",
- intel_de_read(i915, DMC_PROGRAM(dmc->dmc_info[DMC_FW_MAIN].start_mmioaddr, 0)));
+ intel_de_read(display, DMC_PROGRAM(dmc->dmc_info[DMC_FW_MAIN].start_mmioaddr, 0)));
out:
seq_printf(m, "ssp base: 0x%08x\n",
- intel_de_read(i915, DMC_SSP_BASE));
- seq_printf(m, "htp: 0x%08x\n", intel_de_read(i915, DMC_HTP_SKL));
+ intel_de_read(display, DMC_SSP_BASE));
+ seq_printf(m, "htp: 0x%08x\n", intel_de_read(display, DMC_HTP_SKL));
intel_runtime_pm_put(&i915->runtime_pm, wakeref);
DEFINE_SHOW_ATTRIBUTE(intel_dmc_debugfs_status);
-void intel_dmc_debugfs_register(struct drm_i915_private *i915)
+void intel_dmc_debugfs_register(struct intel_display *display)
{
- struct drm_minor *minor = i915->drm.primary;
+ struct drm_minor *minor = display->drm->primary;
debugfs_create_file("i915_dmc_info", 0444, minor->debugfs_root,
- i915, &intel_dmc_debugfs_status_fops);
+ display, &intel_dmc_debugfs_status_fops);
}