On Thu, Apr 11, 2013 at 9:13 AM, Lucas Kannebley Tavares < lucaskt at linux.vnet.ibm.com> wrote:
> After all the comments in the last patch series, I did a refactoring of > what I was proposing and came up with this. Basically, now: > 1. max_bus_speed is used to set the device to gen2 speeds > 2. on power there's no longer a conflict between the pseries call and > other architectures, because the overwrite is done via a ppc_md hook > 3. radeon is using bus->max_bus_speed instead of > drm_pcie_get_speed_cap_mask for gen2 capability detection > > The first patch consists of some architecture changes, such as adding a > hook on powerpc for pci_root_bridge_prepare, so that pseries will > initialize it to a function, while all other architectures get a NULL > pointer. So that whenever whenever pci_create_root_bus is called, we'll get > max_bus_speed properly setup from OpenFirmware. > > The second patch consists of simple radeon changes not to call > drm_get_pcie_speed_cap_mask anymore. I assume that on x86 machines, the > max_bus_speed property will be properly set already. > The radeon changes are : Reviewed-by: Jerome Glisse <jglisse at redhat.com> > > Lucas Kannebley Tavares (2): > ppc64: perform proper max_bus_speed detection > radeon: use max_bus_speed to activate gen2 speeds > > arch/powerpc/include/asm/machdep.h | 2 + > arch/powerpc/kernel/pci-common.c | 8 +++++ > arch/powerpc/platforms/pseries/pci.c | 51 > ++++++++++++++++++++++++++++++++ > arch/powerpc/platforms/pseries/setup.c | 4 ++ > drivers/gpu/drm/radeon/evergreen.c | 9 +---- > drivers/gpu/drm/radeon/r600.c | 8 +---- > drivers/gpu/drm/radeon/rv770.c | 8 +---- > 7 files changed, 69 insertions(+), 21 deletions(-) > > -- > 1.7.4.4 > > _______________________________________________ > dri-devel mailing list > dri-devel at lists.freedesktop.org > http://lists.freedesktop.org/mailman/listinfo/dri-devel > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.freedesktop.org/archives/dri-devel/attachments/20130412/1fdb557d/attachment.html>
