Commit 1e05c4d9 authored by Alex Deucher's avatar Alex Deucher

drm/radeon: gcc fixes for ni dpm

Newer versions of gcc seem to wander off into the
weeds when dealing with variable sizes arrays in
structs.  Rather than indexing the arrays, use
pointer arithmetic.

See bugs:
https://bugs.freedesktop.org/show_bug.cgi?id=66932
https://bugs.freedesktop.org/show_bug.cgi?id=66972
https://bugs.freedesktop.org/show_bug.cgi?id=66945Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 5e250d20
...@@ -4038,6 +4038,7 @@ static int ni_parse_power_table(struct radeon_device *rdev) ...@@ -4038,6 +4038,7 @@ static int ni_parse_power_table(struct radeon_device *rdev)
(power_state->v1.ucNonClockStateIndex * (power_state->v1.ucNonClockStateIndex *
power_info->pplib.ucNonClockSize)); power_info->pplib.ucNonClockSize));
if (power_info->pplib.ucStateEntrySize - 1) { if (power_info->pplib.ucStateEntrySize - 1) {
u8 *idx;
ps = kzalloc(sizeof(struct ni_ps), GFP_KERNEL); ps = kzalloc(sizeof(struct ni_ps), GFP_KERNEL);
if (ps == NULL) { if (ps == NULL) {
kfree(rdev->pm.dpm.ps); kfree(rdev->pm.dpm.ps);
...@@ -4047,12 +4048,12 @@ static int ni_parse_power_table(struct radeon_device *rdev) ...@@ -4047,12 +4048,12 @@ static int ni_parse_power_table(struct radeon_device *rdev)
ni_parse_pplib_non_clock_info(rdev, &rdev->pm.dpm.ps[i], ni_parse_pplib_non_clock_info(rdev, &rdev->pm.dpm.ps[i],
non_clock_info, non_clock_info,
power_info->pplib.ucNonClockSize); power_info->pplib.ucNonClockSize);
idx = (u8 *)&power_state->v1.ucClockStateIndices[0];
for (j = 0; j < (power_info->pplib.ucStateEntrySize - 1); j++) { for (j = 0; j < (power_info->pplib.ucStateEntrySize - 1); j++) {
clock_info = (union pplib_clock_info *) clock_info = (union pplib_clock_info *)
(mode_info->atom_context->bios + data_offset + (mode_info->atom_context->bios + data_offset +
le16_to_cpu(power_info->pplib.usClockInfoArrayOffset) + le16_to_cpu(power_info->pplib.usClockInfoArrayOffset) +
(power_state->v1.ucClockStateIndices[j] * (idx[j] * power_info->pplib.ucClockInfoSize));
power_info->pplib.ucClockInfoSize));
ni_parse_pplib_clock_info(rdev, ni_parse_pplib_clock_info(rdev,
&rdev->pm.dpm.ps[i], j, &rdev->pm.dpm.ps[i], j,
clock_info); clock_info);
......
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