Commit bdcc031b authored by Alex Deucher's avatar Alex Deucher

drm/radeonn: gcc fixes for rv7xx/eg/btc 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 aa842d73
...@@ -2294,6 +2294,7 @@ int rv7xx_parse_power_table(struct radeon_device *rdev) ...@@ -2294,6 +2294,7 @@ int rv7xx_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 rv7xx_ps), GFP_KERNEL); ps = kzalloc(sizeof(struct rv7xx_ps), GFP_KERNEL);
if (ps == NULL) { if (ps == NULL) {
kfree(rdev->pm.dpm.ps); kfree(rdev->pm.dpm.ps);
...@@ -2303,12 +2304,12 @@ int rv7xx_parse_power_table(struct radeon_device *rdev) ...@@ -2303,12 +2304,12 @@ int rv7xx_parse_power_table(struct radeon_device *rdev)
rv7xx_parse_pplib_non_clock_info(rdev, &rdev->pm.dpm.ps[i], rv7xx_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));
rv7xx_parse_pplib_clock_info(rdev, rv7xx_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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