diff options
| author | Jouni Högander <jouni.hogander@intel.com> | 2024-06-14 08:38:33 +0300 |
|---|---|---|
| committer | Jouni Högander <jouni.hogander@intel.com> | 2024-06-24 14:07:15 +0300 |
| commit | 2162b1c369c88a6a05bb1339b0c960c9d3781e7b (patch) | |
| tree | f56fd6a26fc299193311e33987314666d47624eb | |
| parent | 4e6d29ee4672a172227a58ba614ce6b50223f073 (diff) | |
lib/igt_psr: Set Panel Replay disable bit for PSR modes
Set Panel Replay disable bit for PSR_MODE_* to prevent using Panel Replay
for panels supporting it.
Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
Reviewed-by: Kunal Joshi <kunal1.joshi@intel.com>
| -rw-r--r-- | lib/igt_psr.c | 32 |
1 files changed, 19 insertions, 13 deletions
diff --git a/lib/igt_psr.c b/lib/igt_psr.c index 6008b73a6..964f18487 100644 --- a/lib/igt_psr.c +++ b/lib/igt_psr.c @@ -163,30 +163,36 @@ static bool psr_set(int device, int debugfs_fd, int mode, igt_output_t *output) */ ret = psr_modparam_set(device, mode >= PSR_MODE_1); } else { - const char *debug_val; + int debug_val = mode <= PSR_MODE_2_SEL_FETCH ? 0x40 : 0; switch (mode) { case PSR_MODE_1: - debug_val = "0x3"; - break; + case PR_MODE: + debug_val |= 0x3; + break; case PSR_MODE_2: - debug_val = "0x2"; - break; + debug_val |= 0x2; + break; case PSR_MODE_2_SEL_FETCH: - debug_val = "0x4"; - break; - case PR_MODE: - debug_val = "0x5"; - break; case PR_MODE_SEL_FETCH: - debug_val = "0x6"; + debug_val |= 0x4; break; default: /* Disables PSR */ - debug_val = "0x1"; + debug_val = 0x1; } - ret = psr_write(debugfs_fd, debug_val, output); + /* old debugfs interface doesn't recognize Panel Replay disable bit */ + do { + char debug_str[8]; + + sprintf(debug_str, "0x%x", debug_val); + ret = psr_write(debugfs_fd, debug_str, output); + if (!(debug_val & 0x40)) + break; + + debug_val &= ~0x40; + } while (ret <= 0); igt_require_f(ret > 0, "PSR2 SF feature not available\n"); } |