diff mbox

[1/6] drm: Renaming DP training vswing/pre-emph defines

Message ID 1407236902-11326-2-git-send-email-sonika.jindal@intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

sonika.jindal@intel.com Aug. 5, 2014, 11:08 a.m. UTC
From: Sonika Jindal <sonika.jindal@intel.com>

Renaming defines to have levels instead of nominal values.

Signed-off-by: Sonika Jindal <sonika.jindal@intel.com>
---
 include/drm/drm_dp_helper.h |   16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

Comments

Jingoo Han Aug. 6, 2014, 2:01 a.m. UTC | #1
On Tuesday, August 05, 2014 8:08 PM, Sonika Jindal wrote:
> 
> From: Sonika Jindal <sonika.jindal@intel.com>
> 
> Renaming defines to have levels instead of nominal values.

(+cc Daniel Vetter)

Hi Sonika Jindal,

Thank you for sending the patch. However, please add the reason
to this commit message, as you said at '[PATCH 0/6] Rename DP
training vswing/pre-emph defines'.

Best regards.
Jingoo Han

> 
> Signed-off-by: Sonika Jindal <sonika.jindal@intel.com>
> ---
>  include/drm/drm_dp_helper.h |   16 ++++++++--------
>  1 file changed, 8 insertions(+), 8 deletions(-)
> 
> diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h
> index a21568b..70f362b 100644
> --- a/include/drm/drm_dp_helper.h
> +++ b/include/drm/drm_dp_helper.h
> @@ -190,16 +190,16 @@
>  # define DP_TRAIN_VOLTAGE_SWING_MASK	    0x3
>  # define DP_TRAIN_VOLTAGE_SWING_SHIFT	    0
>  # define DP_TRAIN_MAX_SWING_REACHED	    (1 << 2)
> -# define DP_TRAIN_VOLTAGE_SWING_400	    (0 << 0)
> -# define DP_TRAIN_VOLTAGE_SWING_600	    (1 << 0)
> -# define DP_TRAIN_VOLTAGE_SWING_800	    (2 << 0)
> -# define DP_TRAIN_VOLTAGE_SWING_1200	    (3 << 0)
> +# define DP_TRAIN_VOLTAGE_SWING_LEVEL_0     (0 << 0)
> +# define DP_TRAIN_VOLTAGE_SWING_LEVEL_1     (1 << 0)
> +# define DP_TRAIN_VOLTAGE_SWING_LEVEL_2     (2 << 0)
> +# define DP_TRAIN_VOLTAGE_SWING_LEVEL_3     (3 << 0)
> 
>  # define DP_TRAIN_PRE_EMPHASIS_MASK	    (3 << 3)
> -# define DP_TRAIN_PRE_EMPHASIS_0	    (0 << 3)
> -# define DP_TRAIN_PRE_EMPHASIS_3_5	    (1 << 3)
> -# define DP_TRAIN_PRE_EMPHASIS_6	    (2 << 3)
> -# define DP_TRAIN_PRE_EMPHASIS_9_5	    (3 << 3)
> +# define DP_TRAIN_PRE_EMPHASIS_LEVEL_0  (0 << 3)
> +# define DP_TRAIN_PRE_EMPHASIS_LEVEL_1  (1 << 3)
> +# define DP_TRAIN_PRE_EMPHASIS_LEVEL_2  (2 << 3)
> +# define DP_TRAIN_PRE_EMPHASIS_LEVEL_3  (3 << 3)
> 
>  # define DP_TRAIN_PRE_EMPHASIS_SHIFT	    3
>  # define DP_TRAIN_MAX_PRE_EMPHASIS_REACHED  (1 << 5)
> --
> 1.7.10.4
sonika.jindal@intel.com Aug. 6, 2014, 5:31 a.m. UTC | #2
On 8/5/2014 6:00 PM, Daniel Vetter wrote:
> On Tue, Aug 5, 2014 at 1:33 PM, Jindal, Sonika <sonika.jindal@intel.com> wrote:
>>
>>
>> On 8/5/2014 4:45 PM, Daniel Vetter wrote:
>>>
>>> On Tue, Aug 05, 2014 at 04:38:17PM +0530, sonika.jindal@intel.com wrote:
>>>>
>>>> From: Sonika Jindal <sonika.jindal@intel.com>
>>>>
>>>> Renaming defines to have levels instead of nominal values.
>>>>
>>>> Signed-off-by: Sonika Jindal <sonika.jindal@intel.com>
>>>
>>>
>>> You can't split up patches like this since this will break compilation.
>>> For larger stuff (and imo this is right above the cutoff) you first need
>>> to add the new functions/defines, then convert everyone over. And only
>>> when all the drivers are converted can we apply the patch to remove the
>>> old functions/defines.
>>> -Daniel
>>>
>> Got your concern. So, I will repost the first patch keeping both the defines
>> and an additional last patch for removing the extra defines.
>
> Yeah. Btw for the actual replacement I highly recommend to do it with
> a semantic patch and cocci. There's unfortunately not a hole lot of
> good documentation around, but we recently started and it helps a lot
> with regenerating patches (e.g. for newly merged drm drivers) and
> avoiding mistakes for manual conversions. If we do a cocci patch we
> put it into the commit message, grep for @@.
> -Daniel
>
I need to find out about cocci. Can we go ahead with this patch series only?
-Sonika
diff mbox

Patch

diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h
index a21568b..70f362b 100644
--- a/include/drm/drm_dp_helper.h
+++ b/include/drm/drm_dp_helper.h
@@ -190,16 +190,16 @@ 
 # define DP_TRAIN_VOLTAGE_SWING_MASK	    0x3
 # define DP_TRAIN_VOLTAGE_SWING_SHIFT	    0
 # define DP_TRAIN_MAX_SWING_REACHED	    (1 << 2)
-# define DP_TRAIN_VOLTAGE_SWING_400	    (0 << 0)
-# define DP_TRAIN_VOLTAGE_SWING_600	    (1 << 0)
-# define DP_TRAIN_VOLTAGE_SWING_800	    (2 << 0)
-# define DP_TRAIN_VOLTAGE_SWING_1200	    (3 << 0)
+# define DP_TRAIN_VOLTAGE_SWING_LEVEL_0     (0 << 0)
+# define DP_TRAIN_VOLTAGE_SWING_LEVEL_1     (1 << 0)
+# define DP_TRAIN_VOLTAGE_SWING_LEVEL_2     (2 << 0)
+# define DP_TRAIN_VOLTAGE_SWING_LEVEL_3     (3 << 0)
 
 # define DP_TRAIN_PRE_EMPHASIS_MASK	    (3 << 3)
-# define DP_TRAIN_PRE_EMPHASIS_0	    (0 << 3)
-# define DP_TRAIN_PRE_EMPHASIS_3_5	    (1 << 3)
-# define DP_TRAIN_PRE_EMPHASIS_6	    (2 << 3)
-# define DP_TRAIN_PRE_EMPHASIS_9_5	    (3 << 3)
+# define DP_TRAIN_PRE_EMPHASIS_LEVEL_0  (0 << 3)
+# define DP_TRAIN_PRE_EMPHASIS_LEVEL_1  (1 << 3)
+# define DP_TRAIN_PRE_EMPHASIS_LEVEL_2  (2 << 3)
+# define DP_TRAIN_PRE_EMPHASIS_LEVEL_3  (3 << 3)
 
 # define DP_TRAIN_PRE_EMPHASIS_SHIFT	    3
 # define DP_TRAIN_MAX_PRE_EMPHASIS_REACHED  (1 << 5)