On Sun, 1 May 2016, Greg KH wrote:
On Mon, Apr 25, 2016 at 01:01:54PM +0300, Jani Nikula wrote:Stable team, please backport commit a41c8882592fb80458959b10e37632ce030b68ca Author: Mat Martineau <mathew.j.martineau@xxxxxxxxxxxxxxx> Date: Thu Jan 28 15:19:23 2016 -0800 drm/i915/skl: Fix DMC load on Skylake J0 and K0 to v4.3 and later.Does not apply to 4.4-stable, can you provide a backported version?
Here's a backported patch for 4.4-stable. It will not apply to 4.3-stable, I will send a 4.3 backport in a separate email.
------------------ From: Mat Martineau <mathew.j.martineau@xxxxxxxxxxxxxxx> commit a41c8882592fb80458959b10e37632ce030b68ca upstream. The driver does not load firmware for unknown steppings, so these new steppings must be added to the list. Cc: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx> Signed-off-by: Mat Martineau <mathew.j.martineau@xxxxxxxxxxxxxxx> Reviewed-by: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx> Signed-off-by: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx> Link: http://patchwork.freedesktop.org/patch/msgid/1454023163-25469-1-git-send-email-mathew.j.martineau@xxxxxxxxxxxxxxx Cc: Jani Nikula <jani.nikula@xxxxxxxxx> --- drivers/gpu/drm/i915/intel_csr.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/intel_csr.c b/drivers/gpu/drm/i915/intel_csr.c index 9e530a7..fc28c51 100644 --- a/drivers/gpu/drm/i915/intel_csr.c +++ b/drivers/gpu/drm/i915/intel_csr.c @@ -180,7 +180,8 @@ struct stepping_info { static const struct stepping_info skl_stepping_info[] = { {'A', '0'}, {'B', '0'}, {'C', '0'}, {'D', '0'}, {'E', '0'}, {'F', '0'}, - {'G', '0'}, {'H', '0'}, {'I', '0'} + {'G', '0'}, {'H', '0'}, {'I', '0'}, + {'J', '0'}, {'K', '0'} }; static struct stepping_info bxt_stepping_info[] = { -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html