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drm/amdgpu:/navi10: use the ODCAP enum to index the caps array
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Rather than the FEATURE_ID flags.  Avoids a possible reading past
the end of the array.

Reviewed-by: Evan Quan <evan.quan@amd.com>
Reported-by: Aleksandr Mezin <mezin.alexander@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org # 5.5.x
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Alex Deucher committed Feb 11, 2020
1 parent c1d66bc commit e33a8cf
Showing 1 changed file with 11 additions and 11 deletions.
22 changes: 11 additions & 11 deletions drivers/gpu/drm/amd/powerplay/navi10_ppt.c
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Original file line number Diff line number Diff line change
Expand Up @@ -736,9 +736,9 @@ static bool navi10_is_support_fine_grained_dpm(struct smu_context *smu, enum smu
return dpm_desc->SnapToDiscrete == 0 ? true : false;
}

static inline bool navi10_od_feature_is_supported(struct smu_11_0_overdrive_table *od_table, enum SMU_11_0_ODFEATURE_ID feature)
static inline bool navi10_od_feature_is_supported(struct smu_11_0_overdrive_table *od_table, enum SMU_11_0_ODFEATURE_CAP cap)
{
return od_table->cap[feature];
return od_table->cap[cap];
}

static void navi10_od_setting_get_range(struct smu_11_0_overdrive_table *od_table,
Expand Down Expand Up @@ -846,23 +846,23 @@ static int navi10_print_clk_levels(struct smu_context *smu,
case SMU_OD_SCLK:
if (!smu->od_enabled || !od_table || !od_settings)
break;
if (!navi10_od_feature_is_supported(od_settings, SMU_11_0_ODFEATURE_GFXCLK_LIMITS))
if (!navi10_od_feature_is_supported(od_settings, SMU_11_0_ODCAP_GFXCLK_LIMITS))
break;
size += sprintf(buf + size, "OD_SCLK:\n");
size += sprintf(buf + size, "0: %uMhz\n1: %uMhz\n", od_table->GfxclkFmin, od_table->GfxclkFmax);
break;
case SMU_OD_MCLK:
if (!smu->od_enabled || !od_table || !od_settings)
break;
if (!navi10_od_feature_is_supported(od_settings, SMU_11_0_ODFEATURE_UCLK_MAX))
if (!navi10_od_feature_is_supported(od_settings, SMU_11_0_ODCAP_UCLK_MAX))
break;
size += sprintf(buf + size, "OD_MCLK:\n");
size += sprintf(buf + size, "1: %uMHz\n", od_table->UclkFmax);
break;
case SMU_OD_VDDC_CURVE:
if (!smu->od_enabled || !od_table || !od_settings)
break;
if (!navi10_od_feature_is_supported(od_settings, SMU_11_0_ODFEATURE_GFXCLK_CURVE))
if (!navi10_od_feature_is_supported(od_settings, SMU_11_0_ODCAP_GFXCLK_CURVE))
break;
size += sprintf(buf + size, "OD_VDDC_CURVE:\n");
for (i = 0; i < 3; i++) {
Expand All @@ -887,7 +887,7 @@ static int navi10_print_clk_levels(struct smu_context *smu,
break;
size = sprintf(buf, "%s:\n", "OD_RANGE");

if (navi10_od_feature_is_supported(od_settings, SMU_11_0_ODFEATURE_GFXCLK_LIMITS)) {
if (navi10_od_feature_is_supported(od_settings, SMU_11_0_ODCAP_GFXCLK_LIMITS)) {
navi10_od_setting_get_range(od_settings, SMU_11_0_ODSETTING_GFXCLKFMIN,
&min_value, NULL);
navi10_od_setting_get_range(od_settings, SMU_11_0_ODSETTING_GFXCLKFMAX,
Expand All @@ -896,14 +896,14 @@ static int navi10_print_clk_levels(struct smu_context *smu,
min_value, max_value);
}

if (navi10_od_feature_is_supported(od_settings, SMU_11_0_ODFEATURE_UCLK_MAX)) {
if (navi10_od_feature_is_supported(od_settings, SMU_11_0_ODCAP_UCLK_MAX)) {
navi10_od_setting_get_range(od_settings, SMU_11_0_ODSETTING_UCLKFMAX,
&min_value, &max_value);
size += sprintf(buf + size, "MCLK: %7uMhz %10uMhz\n",
min_value, max_value);
}

if (navi10_od_feature_is_supported(od_settings, SMU_11_0_ODFEATURE_GFXCLK_CURVE)) {
if (navi10_od_feature_is_supported(od_settings, SMU_11_0_ODCAP_GFXCLK_CURVE)) {
navi10_od_setting_get_range(od_settings, SMU_11_0_ODSETTING_VDDGFXCURVEFREQ_P1,
&min_value, &max_value);
size += sprintf(buf + size, "VDDC_CURVE_SCLK[0]: %7uMhz %10uMhz\n",
Expand Down Expand Up @@ -2056,7 +2056,7 @@ static int navi10_od_edit_dpm_table(struct smu_context *smu, enum PP_OD_DPM_TABL

switch (type) {
case PP_OD_EDIT_SCLK_VDDC_TABLE:
if (!navi10_od_feature_is_supported(od_settings, SMU_11_0_ODFEATURE_GFXCLK_LIMITS)) {
if (!navi10_od_feature_is_supported(od_settings, SMU_11_0_ODCAP_GFXCLK_LIMITS)) {
pr_warn("GFXCLK_LIMITS not supported!\n");
return -ENOTSUPP;
}
Expand Down Expand Up @@ -2102,7 +2102,7 @@ static int navi10_od_edit_dpm_table(struct smu_context *smu, enum PP_OD_DPM_TABL
}
break;
case PP_OD_EDIT_MCLK_VDDC_TABLE:
if (!navi10_od_feature_is_supported(od_settings, SMU_11_0_ODFEATURE_UCLK_MAX)) {
if (!navi10_od_feature_is_supported(od_settings, SMU_11_0_ODCAP_UCLK_MAX)) {
pr_warn("UCLK_MAX not supported!\n");
return -ENOTSUPP;
}
Expand Down Expand Up @@ -2143,7 +2143,7 @@ static int navi10_od_edit_dpm_table(struct smu_context *smu, enum PP_OD_DPM_TABL
}
break;
case PP_OD_EDIT_VDDC_CURVE:
if (!navi10_od_feature_is_supported(od_settings, SMU_11_0_ODFEATURE_GFXCLK_CURVE)) {
if (!navi10_od_feature_is_supported(od_settings, SMU_11_0_ODCAP_GFXCLK_CURVE)) {
pr_warn("GFXCLK_CURVE not supported!\n");
return -ENOTSUPP;
}
Expand Down

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