diff mbox series

[08/19] gpu: drm: omapdrm: dss: dsi: Rework and remove a few unused variables

Message ID 20201105144517.1826692-9-lee.jones@linaro.org (mailing list archive)
State New, archived
Headers show
Series Rid W=1 warnings from GPU | expand

Commit Message

Lee Jones Nov. 5, 2020, 2:45 p.m. UTC
Fixes the following W=1 kernel build warning(s):

 drivers/gpu/drm/omapdrm/dss/dsi.c: In function ‘_dsi_print_reset_status’:
 drivers/gpu/drm/omapdrm/dss/dsi.c:1131:6: warning: variable ‘l’ set but not used [-Wunused-but-set-variable]
 drivers/gpu/drm/omapdrm/dss/dsi.c: In function ‘dsi_update’:
 drivers/gpu/drm/omapdrm/dss/dsi.c:3943:10: warning: variable ‘dh’ set but not used [-Wunused-but-set-variable]
 drivers/gpu/drm/omapdrm/dss/dsi.c:3943:6: warning: variable ‘dw’ set but not used [-Wunused-but-set-variable]

Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
---
 drivers/gpu/drm/omapdrm/dss/dsi.c | 9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

Comments

Tomi Valkeinen Nov. 5, 2020, 4:53 p.m. UTC | #1
On 05/11/2020 16:45, Lee Jones wrote:
> Fixes the following W=1 kernel build warning(s):
> 
>  drivers/gpu/drm/omapdrm/dss/dsi.c: In function ‘_dsi_print_reset_status’:
>  drivers/gpu/drm/omapdrm/dss/dsi.c:1131:6: warning: variable ‘l’ set but not used [-Wunused-but-set-variable]
>  drivers/gpu/drm/omapdrm/dss/dsi.c: In function ‘dsi_update’:
>  drivers/gpu/drm/omapdrm/dss/dsi.c:3943:10: warning: variable ‘dh’ set but not used [-Wunused-but-set-variable]
>  drivers/gpu/drm/omapdrm/dss/dsi.c:3943:6: warning: variable ‘dw’ set but not used [-Wunused-but-set-variable]
> 
> Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
> Cc: David Airlie <airlied@linux.ie>
> Cc: Daniel Vetter <daniel@ffwll.ch>
> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
> Cc: dri-devel@lists.freedesktop.org
> Signed-off-by: Lee Jones <lee.jones@linaro.org>
> ---
>  drivers/gpu/drm/omapdrm/dss/dsi.c | 9 ++-------
>  1 file changed, 2 insertions(+), 7 deletions(-)

I'd use "drm/omap: dsi: " subject prefix, the current one is fine too:

Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ti.com>

Should I pick this up or do you want to keep the series intact?

 Tomi
Lee Jones Nov. 5, 2020, 6:07 p.m. UTC | #2
On Thu, 05 Nov 2020, Tomi Valkeinen wrote:

> On 05/11/2020 16:45, Lee Jones wrote:
> > Fixes the following W=1 kernel build warning(s):
> > 
> >  drivers/gpu/drm/omapdrm/dss/dsi.c: In function ‘_dsi_print_reset_status’:
> >  drivers/gpu/drm/omapdrm/dss/dsi.c:1131:6: warning: variable ‘l’ set but not used [-Wunused-but-set-variable]
> >  drivers/gpu/drm/omapdrm/dss/dsi.c: In function ‘dsi_update’:
> >  drivers/gpu/drm/omapdrm/dss/dsi.c:3943:10: warning: variable ‘dh’ set but not used [-Wunused-but-set-variable]
> >  drivers/gpu/drm/omapdrm/dss/dsi.c:3943:6: warning: variable ‘dw’ set but not used [-Wunused-but-set-variable]
> > 
> > Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
> > Cc: David Airlie <airlied@linux.ie>
> > Cc: Daniel Vetter <daniel@ffwll.ch>
> > Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
> > Cc: dri-devel@lists.freedesktop.org
> > Signed-off-by: Lee Jones <lee.jones@linaro.org>
> > ---
> >  drivers/gpu/drm/omapdrm/dss/dsi.c | 9 ++-------
> >  1 file changed, 2 insertions(+), 7 deletions(-)
> 
> I'd use "drm/omap: dsi: " subject prefix, the current one is fine too:
> 
> Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
> 
> Should I pick this up or do you want to keep the series intact?

If you are in a position to take it, please do so.

I rebase every day, so it will just vanish from my working set.
Laurent Pinchart Nov. 6, 2020, 4:26 a.m. UTC | #3
Hi Lee,

Thank you for the patch.

On Thu, Nov 05, 2020 at 02:45:06PM +0000, Lee Jones wrote:
> Fixes the following W=1 kernel build warning(s):
> 
>  drivers/gpu/drm/omapdrm/dss/dsi.c: In function ‘_dsi_print_reset_status’:
>  drivers/gpu/drm/omapdrm/dss/dsi.c:1131:6: warning: variable ‘l’ set but not used [-Wunused-but-set-variable]
>  drivers/gpu/drm/omapdrm/dss/dsi.c: In function ‘dsi_update’:
>  drivers/gpu/drm/omapdrm/dss/dsi.c:3943:10: warning: variable ‘dh’ set but not used [-Wunused-but-set-variable]
>  drivers/gpu/drm/omapdrm/dss/dsi.c:3943:6: warning: variable ‘dw’ set but not used [-Wunused-but-set-variable]
> 
> Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
> Cc: David Airlie <airlied@linux.ie>
> Cc: Daniel Vetter <daniel@ffwll.ch>
> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
> Cc: dri-devel@lists.freedesktop.org
> Signed-off-by: Lee Jones <lee.jones@linaro.org>

Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

> ---
>  drivers/gpu/drm/omapdrm/dss/dsi.c | 9 ++-------
>  1 file changed, 2 insertions(+), 7 deletions(-)
> 
> diff --git a/drivers/gpu/drm/omapdrm/dss/dsi.c b/drivers/gpu/drm/omapdrm/dss/dsi.c
> index eeccf40bae416..5929b320b3cfa 100644
> --- a/drivers/gpu/drm/omapdrm/dss/dsi.c
> +++ b/drivers/gpu/drm/omapdrm/dss/dsi.c
> @@ -1128,13 +1128,12 @@ static void dsi_runtime_put(struct dsi_data *dsi)
>  
>  static void _dsi_print_reset_status(struct dsi_data *dsi)
>  {
> -	u32 l;
>  	int b0, b1, b2;
>  
>  	/* A dummy read using the SCP interface to any DSIPHY register is
>  	 * required after DSIPHY reset to complete the reset of the DSI complex
>  	 * I/O. */
> -	l = dsi_read_reg(dsi, DSI_DSIPHY_CFG5);
> +	dsi_read_reg(dsi, DSI_DSIPHY_CFG5);
>  
>  	if (dsi->data->quirks & DSI_QUIRK_REVERSE_TXCLKESC) {
>  		b0 = 28;
> @@ -3940,7 +3939,6 @@ static int dsi_update(struct omap_dss_device *dssdev, int channel,
>  		void (*callback)(int, void *), void *data)
>  {
>  	struct dsi_data *dsi = to_dsi_data(dssdev);
> -	u16 dw, dh;
>  
>  	dsi_perf_mark_setup(dsi);
>  
> @@ -3949,11 +3947,8 @@ static int dsi_update(struct omap_dss_device *dssdev, int channel,
>  	dsi->framedone_callback = callback;
>  	dsi->framedone_data = data;
>  
> -	dw = dsi->vm.hactive;
> -	dh = dsi->vm.vactive;
> -
>  #ifdef DSI_PERF_MEASURE
> -	dsi->update_bytes = dw * dh *
> +	dsi->update_bytes = dsi->vm.hactive * dsi->vm.vactive *
>  		dsi_get_pixel_size(dsi->pix_fmt) / 8;
>  #endif
>  	dsi_update_screen_dispc(dsi);
Tomi Valkeinen Nov. 6, 2020, 2:03 p.m. UTC | #4
On 05/11/2020 20:07, Lee Jones wrote:
> On Thu, 05 Nov 2020, Tomi Valkeinen wrote:
> 
>> On 05/11/2020 16:45, Lee Jones wrote:
>>> Fixes the following W=1 kernel build warning(s):
>>>
>>>  drivers/gpu/drm/omapdrm/dss/dsi.c: In function ‘_dsi_print_reset_status’:
>>>  drivers/gpu/drm/omapdrm/dss/dsi.c:1131:6: warning: variable ‘l’ set but not used [-Wunused-but-set-variable]
>>>  drivers/gpu/drm/omapdrm/dss/dsi.c: In function ‘dsi_update’:
>>>  drivers/gpu/drm/omapdrm/dss/dsi.c:3943:10: warning: variable ‘dh’ set but not used [-Wunused-but-set-variable]
>>>  drivers/gpu/drm/omapdrm/dss/dsi.c:3943:6: warning: variable ‘dw’ set but not used [-Wunused-but-set-variable]
>>>
>>> Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
>>> Cc: David Airlie <airlied@linux.ie>
>>> Cc: Daniel Vetter <daniel@ffwll.ch>
>>> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
>>> Cc: dri-devel@lists.freedesktop.org
>>> Signed-off-by: Lee Jones <lee.jones@linaro.org>
>>> ---
>>>  drivers/gpu/drm/omapdrm/dss/dsi.c | 9 ++-------
>>>  1 file changed, 2 insertions(+), 7 deletions(-)
>>
>> I'd use "drm/omap: dsi: " subject prefix, the current one is fine too:
>>
>> Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
>>
>> Should I pick this up or do you want to keep the series intact?
> 
> If you are in a position to take it, please do so.
> 
> I rebase every day, so it will just vanish from my working set.

I have a 56 patch series on dsi.c that I sent yesterday, and it conflicts with this one. I'll pick
this one on top of my series.

 Tomi
Lee Jones Nov. 6, 2020, 2:32 p.m. UTC | #5
On Fri, 06 Nov 2020, Tomi Valkeinen wrote:

> On 05/11/2020 20:07, Lee Jones wrote:
> > On Thu, 05 Nov 2020, Tomi Valkeinen wrote:
> > 
> >> On 05/11/2020 16:45, Lee Jones wrote:
> >>> Fixes the following W=1 kernel build warning(s):
> >>>
> >>>  drivers/gpu/drm/omapdrm/dss/dsi.c: In function ‘_dsi_print_reset_status’:
> >>>  drivers/gpu/drm/omapdrm/dss/dsi.c:1131:6: warning: variable ‘l’ set but not used [-Wunused-but-set-variable]
> >>>  drivers/gpu/drm/omapdrm/dss/dsi.c: In function ‘dsi_update’:
> >>>  drivers/gpu/drm/omapdrm/dss/dsi.c:3943:10: warning: variable ‘dh’ set but not used [-Wunused-but-set-variable]
> >>>  drivers/gpu/drm/omapdrm/dss/dsi.c:3943:6: warning: variable ‘dw’ set but not used [-Wunused-but-set-variable]
> >>>
> >>> Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
> >>> Cc: David Airlie <airlied@linux.ie>
> >>> Cc: Daniel Vetter <daniel@ffwll.ch>
> >>> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
> >>> Cc: dri-devel@lists.freedesktop.org
> >>> Signed-off-by: Lee Jones <lee.jones@linaro.org>
> >>> ---
> >>>  drivers/gpu/drm/omapdrm/dss/dsi.c | 9 ++-------
> >>>  1 file changed, 2 insertions(+), 7 deletions(-)
> >>
> >> I'd use "drm/omap: dsi: " subject prefix, the current one is fine too:
> >>
> >> Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
> >>
> >> Should I pick this up or do you want to keep the series intact?
> > 
> > If you are in a position to take it, please do so.
> > 
> > I rebase every day, so it will just vanish from my working set.
> 
> I have a 56 patch series on dsi.c that I sent yesterday, and it conflicts with this one. I'll pick
> this one on top of my series.

Sounds good, thanks.
diff mbox series

Patch

diff --git a/drivers/gpu/drm/omapdrm/dss/dsi.c b/drivers/gpu/drm/omapdrm/dss/dsi.c
index eeccf40bae416..5929b320b3cfa 100644
--- a/drivers/gpu/drm/omapdrm/dss/dsi.c
+++ b/drivers/gpu/drm/omapdrm/dss/dsi.c
@@ -1128,13 +1128,12 @@  static void dsi_runtime_put(struct dsi_data *dsi)
 
 static void _dsi_print_reset_status(struct dsi_data *dsi)
 {
-	u32 l;
 	int b0, b1, b2;
 
 	/* A dummy read using the SCP interface to any DSIPHY register is
 	 * required after DSIPHY reset to complete the reset of the DSI complex
 	 * I/O. */
-	l = dsi_read_reg(dsi, DSI_DSIPHY_CFG5);
+	dsi_read_reg(dsi, DSI_DSIPHY_CFG5);
 
 	if (dsi->data->quirks & DSI_QUIRK_REVERSE_TXCLKESC) {
 		b0 = 28;
@@ -3940,7 +3939,6 @@  static int dsi_update(struct omap_dss_device *dssdev, int channel,
 		void (*callback)(int, void *), void *data)
 {
 	struct dsi_data *dsi = to_dsi_data(dssdev);
-	u16 dw, dh;
 
 	dsi_perf_mark_setup(dsi);
 
@@ -3949,11 +3947,8 @@  static int dsi_update(struct omap_dss_device *dssdev, int channel,
 	dsi->framedone_callback = callback;
 	dsi->framedone_data = data;
 
-	dw = dsi->vm.hactive;
-	dh = dsi->vm.vactive;
-
 #ifdef DSI_PERF_MEASURE
-	dsi->update_bytes = dw * dh *
+	dsi->update_bytes = dsi->vm.hactive * dsi->vm.vactive *
 		dsi_get_pixel_size(dsi->pix_fmt) / 8;
 #endif
 	dsi_update_screen_dispc(dsi);