[PATCH 2/8] amdgpu/pm: Optimize emit_clock_levels for arcturus - part 1
Darren Powell
darren.powell at amd.com
Thu Apr 27 06:27:12 UTC 2023
Use variables to remove the multiple nested ternary expressions and
improve readability. This will help to optimize the code duplication
in the switch statement
Also Changed:
Modify function arcturus_get_clk_table to void function as it
always returns 0
Use const string "attempt_string" to cut down on repetition
Signed-off-by: Darren Powell <darren.powell at amd.com>
---
.../gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c | 126 ++++++++----------
1 file changed, 57 insertions(+), 69 deletions(-)
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c
index 0136e136e807..23e768aad6f9 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c
@@ -569,9 +569,9 @@ static int arcturus_populate_umd_state_clk(struct smu_context *smu)
return 0;
}
-static int arcturus_get_clk_table(struct smu_context *smu,
- struct pp_clock_levels_with_latency *clocks,
- struct smu_11_0_dpm_table *dpm_table)
+static void arcturus_get_clk_table(struct smu_context *smu,
+ struct pp_clock_levels_with_latency *clocks,
+ struct smu_11_0_dpm_table *dpm_table)
{
uint32_t i;
@@ -584,8 +584,6 @@ static int arcturus_get_clk_table(struct smu_context *smu,
dpm_table->dpm_levels[i].value * 1000;
clocks->data[i].latency_in_us = 0;
}
-
- return 0;
}
static int arcturus_freqs_in_same_level(int32_t frequency1,
@@ -767,7 +765,9 @@ static int arcturus_emit_clk_levels(struct smu_context *smu,
struct smu_11_0_dpm_context *dpm_context = NULL;
uint32_t gen_speed, lane_width;
uint32_t i, cur_value = 0;
-
+ bool freq_match;
+ unsigned int clock_mhz;
+ static const char attempt_string[] = "Attempt to get current";
if (amdgpu_ras_intr_triggered()) {
*offset += sysfs_emit_at(buf, *offset, "unavailable\n");
@@ -780,143 +780,131 @@ static int arcturus_emit_clk_levels(struct smu_context *smu,
case SMU_SCLK:
ret = arcturus_get_current_clk_freq_by_table(smu, SMU_GFXCLK, &cur_value);
if (ret) {
- dev_err(smu->adev->dev, "Attempt to get current gfx clk Failed!");
+ dev_err(smu->adev->dev, "%s gfx clk Failed!", attempt_string);
return ret;
}
single_dpm_table = &(dpm_context->dpm_tables.gfx_table);
- ret = arcturus_get_clk_table(smu, &clocks, single_dpm_table);
- if (ret) {
- dev_err(smu->adev->dev, "Attempt to get gfx clk levels Failed!");
- return ret;
- }
+ arcturus_get_clk_table(smu, &clocks, single_dpm_table);
/*
* For DPM disabled case, there will be only one clock level.
* And it's safe to assume that is always the current clock.
*/
- for (i = 0; i < clocks.num_levels; i++)
+ for (i = 0; i < clocks.num_levels; i++) {
+ clock_mhz = clocks.data[i].clocks_in_khz / 1000;
+ freq_match = arcturus_freqs_in_same_level(clock_mhz, cur_value);
+
*offset += sysfs_emit_at(buf, *offset, "%d: %uMhz %s\n", i,
- clocks.data[i].clocks_in_khz / 1000,
+ clock_mhz,
(clocks.num_levels == 1) ? "*" :
- (arcturus_freqs_in_same_level(
- clocks.data[i].clocks_in_khz / 1000,
- cur_value) ? "*" : ""));
+ (freq_match ? "*" : ""));
+ }
break;
case SMU_MCLK:
ret = arcturus_get_current_clk_freq_by_table(smu, SMU_UCLK, &cur_value);
if (ret) {
- dev_err(smu->adev->dev, "Attempt to get current mclk Failed!");
+ dev_err(smu->adev->dev, "%s mclk Failed!", attempt_string);
return ret;
}
single_dpm_table = &(dpm_context->dpm_tables.uclk_table);
- ret = arcturus_get_clk_table(smu, &clocks, single_dpm_table);
- if (ret) {
- dev_err(smu->adev->dev, "Attempt to get memory clk levels Failed!");
- return ret;
- }
+ arcturus_get_clk_table(smu, &clocks, single_dpm_table);
+
+ for (i = 0; i < clocks.num_levels; i++) {
+ clock_mhz = clocks.data[i].clocks_in_khz / 1000;
+ freq_match = arcturus_freqs_in_same_level(clock_mhz, cur_value);
- for (i = 0; i < clocks.num_levels; i++)
*offset += sysfs_emit_at(buf, *offset, "%d: %uMhz %s\n",
- i, clocks.data[i].clocks_in_khz / 1000,
+ i, clock_mhz,
(clocks.num_levels == 1) ? "*" :
- (arcturus_freqs_in_same_level(
- clocks.data[i].clocks_in_khz / 1000,
- cur_value) ? "*" : ""));
+ (freq_match ? "*" : ""));
+ }
break;
case SMU_SOCCLK:
ret = arcturus_get_current_clk_freq_by_table(smu, SMU_SOCCLK, &cur_value);
if (ret) {
- dev_err(smu->adev->dev, "Attempt to get current socclk Failed!");
+ dev_err(smu->adev->dev, "%s socclk Failed!", attempt_string);
return ret;
}
single_dpm_table = &(dpm_context->dpm_tables.soc_table);
- ret = arcturus_get_clk_table(smu, &clocks, single_dpm_table);
- if (ret) {
- dev_err(smu->adev->dev, "Attempt to get socclk levels Failed!");
- return ret;
- }
+ arcturus_get_clk_table(smu, &clocks, single_dpm_table);
+
+ for (i = 0; i < clocks.num_levels; i++) {
+ clock_mhz = clocks.data[i].clocks_in_khz / 1000;
+ freq_match = arcturus_freqs_in_same_level(clock_mhz, cur_value);
- for (i = 0; i < clocks.num_levels; i++)
*offset += sysfs_emit_at(buf, *offset, "%d: %uMhz %s\n",
- i, clocks.data[i].clocks_in_khz / 1000,
+ i, clock_mhz,
(clocks.num_levels == 1) ? "*" :
- (arcturus_freqs_in_same_level(
- clocks.data[i].clocks_in_khz / 1000,
- cur_value) ? "*" : ""));
+ (freq_match ? "*" : ""));
+ }
break;
case SMU_FCLK:
ret = arcturus_get_current_clk_freq_by_table(smu, SMU_FCLK, &cur_value);
if (ret) {
- dev_err(smu->adev->dev, "Attempt to get current fclk Failed!");
+ dev_err(smu->adev->dev, "%s fclk Failed!", attempt_string);
return ret;
}
single_dpm_table = &(dpm_context->dpm_tables.fclk_table);
- ret = arcturus_get_clk_table(smu, &clocks, single_dpm_table);
- if (ret) {
- dev_err(smu->adev->dev, "Attempt to get fclk levels Failed!");
- return ret;
- }
+ arcturus_get_clk_table(smu, &clocks, single_dpm_table);
+
+ for (i = 0; i < single_dpm_table->count; i++) {
+ clock_mhz = clocks.data[i].clocks_in_khz / 1000;
+ freq_match = arcturus_freqs_in_same_level(clock_mhz, cur_value);
- for (i = 0; i < single_dpm_table->count; i++)
*offset += sysfs_emit_at(buf, *offset, "%d: %uMhz %s\n",
i, single_dpm_table->dpm_levels[i].value,
(clocks.num_levels == 1) ? "*" :
- (arcturus_freqs_in_same_level(
- clocks.data[i].clocks_in_khz / 1000,
- cur_value) ? "*" : ""));
+ (freq_match ? "*" : ""));
+ }
break;
case SMU_VCLK:
ret = arcturus_get_current_clk_freq_by_table(smu, SMU_VCLK, &cur_value);
if (ret) {
- dev_err(smu->adev->dev, "Attempt to get current vclk Failed!");
+ dev_err(smu->adev->dev, "%s vclk Failed!", attempt_string);
return ret;
}
single_dpm_table = &(dpm_context->dpm_tables.vclk_table);
- ret = arcturus_get_clk_table(smu, &clocks, single_dpm_table);
- if (ret) {
- dev_err(smu->adev->dev, "Attempt to get vclk levels Failed!");
- return ret;
- }
+ arcturus_get_clk_table(smu, &clocks, single_dpm_table);
+
+ for (i = 0; i < single_dpm_table->count; i++) {
+ clock_mhz = clocks.data[i].clocks_in_khz / 1000;
+ freq_match = arcturus_freqs_in_same_level(clock_mhz, cur_value);
- for (i = 0; i < single_dpm_table->count; i++)
*offset += sysfs_emit_at(buf, *offset, "%d: %uMhz %s\n",
i, single_dpm_table->dpm_levels[i].value,
(clocks.num_levels == 1) ? "*" :
- (arcturus_freqs_in_same_level(
- clocks.data[i].clocks_in_khz / 1000,
- cur_value) ? "*" : ""));
+ (freq_match ? "*" : ""));
+ }
break;
case SMU_DCLK:
ret = arcturus_get_current_clk_freq_by_table(smu, SMU_DCLK, &cur_value);
if (ret) {
- dev_err(smu->adev->dev, "Attempt to get current dclk Failed!");
+ dev_err(smu->adev->dev, "%s dclk Failed!", attempt_string);
return ret;
}
single_dpm_table = &(dpm_context->dpm_tables.dclk_table);
- ret = arcturus_get_clk_table(smu, &clocks, single_dpm_table);
- if (ret) {
- dev_err(smu->adev->dev, "Attempt to get dclk levels Failed!");
- return ret;
- }
+ arcturus_get_clk_table(smu, &clocks, single_dpm_table);
+
+ for (i = 0; i < single_dpm_table->count; i++) {
+ clock_mhz = clocks.data[i].clocks_in_khz / 1000;
+ freq_match = arcturus_freqs_in_same_level(clock_mhz, cur_value);
- for (i = 0; i < single_dpm_table->count; i++)
*offset += sysfs_emit_at(buf, *offset, "%d: %uMhz %s\n",
i, single_dpm_table->dpm_levels[i].value,
(clocks.num_levels == 1) ? "*" :
- (arcturus_freqs_in_same_level(
- clocks.data[i].clocks_in_khz / 1000,
- cur_value) ? "*" : ""));
+ (freq_match ? "*" : ""));
+ }
break;
case SMU_PCIE:
--
2.34.1
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