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path: root/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c
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Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c126
1 files changed, 99 insertions, 27 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c
index 9ba4817a9148..763f2b8dcf13 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c
@@ -36,13 +36,6 @@
#include "atombios_encoders.h"
#include "bif/bif_4_1_d.h"
-static void amdgpu_atombios_lookup_i2c_gpio_quirks(struct amdgpu_device *adev,
- ATOM_GPIO_I2C_ASSIGMENT *gpio,
- u8 index)
-{
-
-}
-
static struct amdgpu_i2c_bus_rec amdgpu_atombios_get_bus_rec_for_i2c_gpio(ATOM_GPIO_I2C_ASSIGMENT *gpio)
{
struct amdgpu_i2c_bus_rec i2c;
@@ -108,9 +101,6 @@ struct amdgpu_i2c_bus_rec amdgpu_atombios_lookup_i2c_gpio(struct amdgpu_device *
gpio = &i2c_info->asGPIO_Info[0];
for (i = 0; i < num_indices; i++) {
-
- amdgpu_atombios_lookup_i2c_gpio_quirks(adev, gpio, i);
-
if (gpio->sucI2cId.ucAccess == id) {
i2c = amdgpu_atombios_get_bus_rec_for_i2c_gpio(gpio);
break;
@@ -142,8 +132,6 @@ void amdgpu_atombios_i2c_init(struct amdgpu_device *adev)
gpio = &i2c_info->asGPIO_Info[0];
for (i = 0; i < num_indices; i++) {
- amdgpu_atombios_lookup_i2c_gpio_quirks(adev, gpio, i);
-
i2c = amdgpu_atombios_get_bus_rec_for_i2c_gpio(gpio);
if (i2c.valid) {
@@ -156,6 +144,38 @@ void amdgpu_atombios_i2c_init(struct amdgpu_device *adev)
}
}
+void amdgpu_atombios_oem_i2c_init(struct amdgpu_device *adev, u8 i2c_id)
+{
+ struct atom_context *ctx = adev->mode_info.atom_context;
+ ATOM_GPIO_I2C_ASSIGMENT *gpio;
+ struct amdgpu_i2c_bus_rec i2c;
+ int index = GetIndexIntoMasterTable(DATA, GPIO_I2C_Info);
+ struct _ATOM_GPIO_I2C_INFO *i2c_info;
+ uint16_t data_offset, size;
+ int i, num_indices;
+ char stmp[32];
+
+ if (amdgpu_atom_parse_data_header(ctx, index, &size, NULL, NULL, &data_offset)) {
+ i2c_info = (struct _ATOM_GPIO_I2C_INFO *)(ctx->bios + data_offset);
+
+ num_indices = (size - sizeof(ATOM_COMMON_TABLE_HEADER)) /
+ sizeof(ATOM_GPIO_I2C_ASSIGMENT);
+
+ gpio = &i2c_info->asGPIO_Info[0];
+ for (i = 0; i < num_indices; i++) {
+ i2c = amdgpu_atombios_get_bus_rec_for_i2c_gpio(gpio);
+
+ if (i2c.valid && i2c.i2c_id == i2c_id) {
+ sprintf(stmp, "OEM 0x%x", i2c.i2c_id);
+ adev->i2c_bus[i] = amdgpu_i2c_create(adev_to_drm(adev), &i2c, stmp);
+ break;
+ }
+ gpio = (ATOM_GPIO_I2C_ASSIGMENT *)
+ ((u8 *)gpio + sizeof(ATOM_GPIO_I2C_ASSIGMENT));
+ }
+ }
+}
+
struct amdgpu_gpio_rec
amdgpu_atombios_lookup_gpio(struct amdgpu_device *adev,
u8 id)
@@ -686,7 +706,6 @@ int amdgpu_atombios_get_clock_info(struct amdgpu_device *adev)
}
adev->clock.dp_extclk =
le16_to_cpu(firmware_info->info_21.usUniphyDPModeExtClkFreq);
- adev->clock.current_dispclk = adev->clock.default_dispclk;
adev->clock.max_pixel_clock = le16_to_cpu(firmware_info->info.usMaxPixelClock);
if (adev->clock.max_pixel_clock == 0)
@@ -1018,7 +1037,9 @@ int amdgpu_atombios_get_clock_dividers(struct amdgpu_device *adev,
if (clock_type == COMPUTE_ENGINE_PLL_PARAM) {
args.v3.ulClockParams = cpu_to_le32((clock_type << 24) | clock);
- amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args);
+ if (amdgpu_atom_execute_table(adev->mode_info.atom_context,
+ index, (uint32_t *)&args, sizeof(args)))
+ return -EINVAL;
dividers->post_div = args.v3.ucPostDiv;
dividers->enable_post_div = (args.v3.ucCntlFlag &
@@ -1038,7 +1059,9 @@ int amdgpu_atombios_get_clock_dividers(struct amdgpu_device *adev,
if (strobe_mode)
args.v5.ucInputFlag = ATOM_PLL_INPUT_FLAG_PLL_STROBE_MODE_EN;
- amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args);
+ if (amdgpu_atom_execute_table(adev->mode_info.atom_context,
+ index, (uint32_t *)&args, sizeof(args)))
+ return -EINVAL;
dividers->post_div = args.v5.ucPostDiv;
dividers->enable_post_div = (args.v5.ucCntlFlag &
@@ -1056,7 +1079,9 @@ int amdgpu_atombios_get_clock_dividers(struct amdgpu_device *adev,
/* fusion */
args.v4.ulClock = cpu_to_le32(clock); /* 10 khz */
- amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args);
+ if (amdgpu_atom_execute_table(adev->mode_info.atom_context,
+ index, (uint32_t *)&args, sizeof(args)))
+ return -EINVAL;
dividers->post_divider = dividers->post_div = args.v4.ucPostDiv;
dividers->real_clock = le32_to_cpu(args.v4.ulClock);
@@ -1067,7 +1092,9 @@ int amdgpu_atombios_get_clock_dividers(struct amdgpu_device *adev,
args.v6_in.ulClock.ulComputeClockFlag = clock_type;
args.v6_in.ulClock.ulClockFreq = cpu_to_le32(clock); /* 10 khz */
- amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args);
+ if (amdgpu_atom_execute_table(adev->mode_info.atom_context,
+ index, (uint32_t *)&args, sizeof(args)))
+ return -EINVAL;
dividers->whole_fb_div = le16_to_cpu(args.v6_out.ulFbDiv.usFbDiv);
dividers->frac_fb_div = le16_to_cpu(args.v6_out.ulFbDiv.usFbDivFrac);
@@ -1109,7 +1136,9 @@ int amdgpu_atombios_get_memory_pll_dividers(struct amdgpu_device *adev,
if (strobe_mode)
args.ucInputFlag |= MPLL_INPUT_FLAG_STROBE_MODE_EN;
- amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args);
+ if (amdgpu_atom_execute_table(adev->mode_info.atom_context,
+ index, (uint32_t *)&args, sizeof(args)))
+ return -EINVAL;
mpll_param->clkfrac = le16_to_cpu(args.ulFbDiv.usFbDivFrac);
mpll_param->clkf = le16_to_cpu(args.ulFbDiv.usFbDiv);
@@ -1135,8 +1164,8 @@ int amdgpu_atombios_get_memory_pll_dividers(struct amdgpu_device *adev,
return 0;
}
-void amdgpu_atombios_set_engine_dram_timings(struct amdgpu_device *adev,
- u32 eng_clock, u32 mem_clock)
+int amdgpu_atombios_set_engine_dram_timings(struct amdgpu_device *adev,
+ u32 eng_clock, u32 mem_clock)
{
SET_ENGINE_CLOCK_PS_ALLOCATION args;
int index = GetIndexIntoMasterTable(COMMAND, DynamicMemorySettings);
@@ -1151,7 +1180,8 @@ void amdgpu_atombios_set_engine_dram_timings(struct amdgpu_device *adev,
if (mem_clock)
args.sReserved.ulClock = cpu_to_le32(mem_clock & SET_CLOCK_FREQ_MASK);
- amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args);
+ return amdgpu_atom_execute_table(adev->mode_info.atom_context, index,
+ (uint32_t *)&args, sizeof(args));
}
void amdgpu_atombios_get_default_voltages(struct amdgpu_device *adev,
@@ -1205,7 +1235,9 @@ int amdgpu_atombios_get_max_vddc(struct amdgpu_device *adev, u8 voltage_type,
args.v2.ucVoltageMode = 0;
args.v2.usVoltageLevel = 0;
- amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args);
+ if (amdgpu_atom_execute_table(adev->mode_info.atom_context,
+ index, (uint32_t *)&args, sizeof(args)))
+ return -EINVAL;
*voltage = le16_to_cpu(args.v2.usVoltageLevel);
break;
@@ -1214,7 +1246,9 @@ int amdgpu_atombios_get_max_vddc(struct amdgpu_device *adev, u8 voltage_type,
args.v3.ucVoltageMode = ATOM_GET_VOLTAGE_LEVEL;
args.v3.usVoltageLevel = cpu_to_le16(voltage_id);
- amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args);
+ if (amdgpu_atom_execute_table(adev->mode_info.atom_context,
+ index, (uint32_t *)&args, sizeof(args)))
+ return -EINVAL;
*voltage = le16_to_cpu(args.v3.usVoltageLevel);
break;
@@ -1476,6 +1510,8 @@ int amdgpu_atombios_init_mc_reg_table(struct amdgpu_device *adev,
(u32)le32_to_cpu(*((u32 *)reg_data + j));
j++;
} else if ((reg_table->mc_reg_address[i].pre_reg_data & LOW_NIBBLE_MASK) == DATA_EQU_PREV) {
+ if (i == 0)
+ continue;
reg_table->mc_reg_table_entry[num_ranges].mc_data[i] =
reg_table->mc_reg_table_entry[num_ranges].mc_data[i - 1];
}
@@ -1776,21 +1812,57 @@ static ssize_t amdgpu_atombios_get_vbios_version(struct device *dev,
struct amdgpu_device *adev = drm_to_adev(ddev);
struct atom_context *ctx = adev->mode_info.atom_context;
- return sysfs_emit(buf, "%s\n", ctx->vbios_version);
+ return sysfs_emit(buf, "%s\n", ctx->vbios_pn);
+}
+
+static ssize_t amdgpu_atombios_get_vbios_build(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct drm_device *ddev = dev_get_drvdata(dev);
+ struct amdgpu_device *adev = drm_to_adev(ddev);
+ struct atom_context *ctx = adev->mode_info.atom_context;
+
+ return sysfs_emit(buf, "%s\n", ctx->build_num);
}
static DEVICE_ATTR(vbios_version, 0444, amdgpu_atombios_get_vbios_version,
NULL);
+static DEVICE_ATTR(vbios_build, 0444, amdgpu_atombios_get_vbios_build, NULL);
static struct attribute *amdgpu_vbios_version_attrs[] = {
- &dev_attr_vbios_version.attr,
- NULL
+ &dev_attr_vbios_version.attr, &dev_attr_vbios_build.attr, NULL
};
+static umode_t amdgpu_vbios_version_attrs_is_visible(struct kobject *kobj,
+ struct attribute *attr,
+ int index)
+{
+ struct device *dev = kobj_to_dev(kobj);
+ struct drm_device *ddev = dev_get_drvdata(dev);
+ struct amdgpu_device *adev = drm_to_adev(ddev);
+ struct atom_context *ctx = adev->mode_info.atom_context;
+
+ if (attr == &dev_attr_vbios_build.attr && !strlen(ctx->build_num))
+ return 0;
+
+ return attr->mode;
+}
+
const struct attribute_group amdgpu_vbios_version_attr_group = {
- .attrs = amdgpu_vbios_version_attrs
+ .attrs = amdgpu_vbios_version_attrs,
+ .is_visible = amdgpu_vbios_version_attrs_is_visible,
};
+int amdgpu_atombios_sysfs_init(struct amdgpu_device *adev)
+{
+ if (adev->mode_info.atom_context)
+ return devm_device_add_group(adev->dev,
+ &amdgpu_vbios_version_attr_group);
+
+ return 0;
+}
+
/**
* amdgpu_atombios_fini - free the driver info and callbacks for atombios
*
generated by cgit (git 2.34.1) at 2025-12-21 18:58:56 +0000