Commit 5bf30a96 authored by Maarten Lankhorst's avatar Maarten Lankhorst

lib/psr: Do not use out of bound enum for psr_set.

Using an undefined int not in the enum is undefined. Use -1 and change
mode to an integer.

Cc: Dhinakaran Pandiyan <>
Cc: José Roberto de Souza <>
Signed-off-by: default avatarMaarten Lankhorst <>
Reviewed-by: José Roberto de Souza's avatarJosé Roberto de Souza <>
parent 4049adf0
......@@ -100,13 +100,13 @@ static void restore_psr_debugfs(int sig)
psr_write(psr_restore_debugfs_fd, "0");
static bool psr_set(int debugfs_fd, enum psr_mode mode)
static bool psr_set(int debugfs_fd, int mode)
int ret;
ret = has_psr_debugfs(debugfs_fd);
if (ret == -ENODEV) {
igt_skip("PSR not available\n");
igt_skip_on_f(mode >= PSR_MODE_1, "PSR not available\n");
return false;
......@@ -117,7 +117,7 @@ static bool psr_set(int debugfs_fd, enum psr_mode mode)
* version enabled and the PSR version of the test, it will
* fail in the first psr_wait_entry() of the test.
ret = psr_modparam_set(mode <= PSR_MODE_2);
ret = psr_modparam_set(mode >= PSR_MODE_1);
} else {
const char *debug_val;
......@@ -155,7 +155,7 @@ bool psr_enable(int debugfs_fd, enum psr_mode mode)
bool psr_disable(int debugfs_fd)
/* Any mode different than PSR_MODE_1/2 will disable PSR */
return psr_set(debugfs_fd, PSR_MODE_2 + 1);
return psr_set(debugfs_fd, -1);
bool psr_sink_support(int debugfs_fd, enum psr_mode mode)
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