On Mon, 19 Jan 2015, Deucher, Alexander wrote:
-----Original Message----- From: Nicholas Mc Guire [mailto:der.herr@hofr.at] Sent: Monday, January 19, 2015 8:11 AM To: Deucher, Alexander Cc: Koenig, Christian; David Airlie; dri-devel@lists.freedesktop.org; linux- kernel@vger.kernel.org; Nicholas Mc Guire Subject: [PATCH] drm/radeon: remove unreachable code
Signed-off-by: Nicholas Mc Guire der.herr@hofr.at
NACK. I want to leave this in place for the future. When we support dynamically adjusting the disp clock we'll need to update the sclk for ds mode.
get it - then could you add some comment to that end so it becomes clear that this is intentional - using your comment above - something like:
From 2be978edbc77d5928ede8fddc2d784ca6f78533e Mon Sep 17 00:00:00 2001
From: Nicholas Mc Guire der.herr@hofr.at Date: Mon, 19 Jan 2015 19:11:57 -0500 Subject: [PATCH] document the unreachable code sequence
Signed-off-by: Nicholas Mc Guire der.herr@hofr.at --- drivers/gpu/drm/radeon/ci_dpm.c | 7 +++++++- 1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/radeon/ci_dpm.c b/drivers/gpu/drm/radeon/ci_dpm.c index f373a81..722dfef 100644 --- a/drivers/gpu/drm/radeon/ci_dpm.c +++ b/drivers/gpu/drm/radeon/ci_dpm.c @@ -3808,7 +3808,12 @@ static void ci_find_dpm_states_clocks_in_dpm_table(struct radeon_device *rdev, if (i >= sclk_table->count) { pi->need_update_smu7_dpm_table |= DPMTABLE_OD_UPDATE_SCLK; } else { - /* XXX check display min clock requirements */ + /* + * XXX Check display min clock requirements. + * This is a place holder for the future support of + * dynamically adjusting the disp clock where we'll + * need to update the sclk for ds mode. + */ if (CISLAND_MINIMUM_ENGINE_CLOCK != CISLAND_MINIMUM_ENGINE_CLOCK) pi->need_update_smu7_dpm_table |= DPMTABLE_UPDATE_SCLK; }