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...me PM support (v0.9)") Signed-off-by: Peter Wu <peter at lekensteyn.nl> --- drivers/gpu/drm/nouveau/nouveau_acpi.c | 17 ++++++++++++----- 1 file changed, 12 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/nouveau/nouveau_acpi.c b/drivers/gpu/drm/nouveau/nouveau_acpi.c index 71d5e6a..df9f73e 100644 --- a/drivers/gpu/drm/nouveau/nouveau_acpi.c +++ b/drivers/gpu/drm/nouveau/nouveau_acpi.c @@ -45,6 +45,7 @@ static struct nouveau_dsm_priv { bool dsm_detected; bool optimus_detected; + bool optimus_flags_detected; acpi_handle dhandle; acpi_handle rom_handle; } nouveau_dsm_...

...functional changes. Signed-off-by: Peter Wu <peter at lekensteyn.nl> --- drivers/gpu/drm/nouveau/nouveau_acpi.c | 16 +++++++++------- 1 file changed, 9 insertions(+), 7 deletions(-) diff --git a/drivers/gpu/drm/nouveau/nouveau_acpi.c b/drivers/gpu/drm/nouveau/nouveau_acpi.c index 45fa9b2..71d5e6a 100644 --- a/drivers/gpu/drm/nouveau/nouveau_acpi.c +++ b/drivers/gpu/drm/nouveau/nouveau_acpi.c @@ -107,7 +107,7 @@ static int nouveau_optimus_dsm(acpi_handle handle, int func, int arg, uint32_t * * requirements on the fourth parameter, so a private implementation * instead of using acpi_check...

Hi, Here are two patches to fix an issue reported on kernel bugzilla (infinite loop due to unchecked function) and a more important fix to fix hanging Optimus machines when runtime PM is enabled (with pm/pci patches). An older (obsolete) patch for the first issue was tested by the reporter: https://bugzilla.kernel.org/show_bug.cgi?id=104791#c11 (it is replaced by "check for function 0x1B