* [PATCH] drm/stm: ltdc: add user update info in plane print state
@ 2018-04-07 21:35 ` Philippe Cornu
0 siblings, 0 replies; 6+ messages in thread
From: Philippe Cornu @ 2018-04-07 21:35 UTC (permalink / raw)
To: Yannick Fertre, Philippe Cornu, Benjamin Gaignard,
Vincent Abriou, David Airlie, dri-devel, linux-kernel
Cc: Fabien Dessenne, Mickael Reulier, Alexandre Torgue
This patch adds the user update information in
frames-per-second into the drm debugfs plane state.
Signed-off-by: Philippe Cornu <philippe.cornu@st.com>
---
drivers/gpu/drm/stm/ltdc.c | 22 ++++++++++++++++++++++
drivers/gpu/drm/stm/ltdc.h | 8 ++++++++
2 files changed, 30 insertions(+)
diff --git a/drivers/gpu/drm/stm/ltdc.c b/drivers/gpu/drm/stm/ltdc.c
index 2b745cfc9000..061d2b6e5157 100644
--- a/drivers/gpu/drm/stm/ltdc.c
+++ b/drivers/gpu/drm/stm/ltdc.c
@@ -729,6 +729,8 @@ static void ltdc_plane_atomic_update(struct drm_plane *plane,
reg_update_bits(ldev->regs, LTDC_L1CR + lofs,
LXCR_LEN | LXCR_CLUTEN, val);
+ ldev->plane_fpsi[plane->index].counter++;
+
mutex_lock(&ldev->err_lock);
if (ldev->error_status & ISR_FUIF) {
DRM_DEBUG_DRIVER("Fifo underrun\n");
@@ -754,6 +756,25 @@ static void ltdc_plane_atomic_disable(struct drm_plane *plane,
oldstate->crtc->base.id, plane->base.id);
}
+static void ltdc_plane_atomic_print_state(struct drm_printer *p,
+ const struct drm_plane_state *state)
+{
+ struct drm_plane *plane = state->plane;
+ struct ltdc_device *ldev = plane_to_ltdc(plane);
+ struct fps_info *fpsi = &ldev->plane_fpsi[plane->index];
+ int ms_since_last;
+ ktime_t now;
+
+ now = ktime_get();
+ ms_since_last = ktime_to_ms(ktime_sub(now, fpsi->last_timestamp));
+
+ drm_printf(p, "\tuser_updates=%dfps\n",
+ DIV_ROUND_CLOSEST(fpsi->counter * 1000, ms_since_last));
+
+ fpsi->last_timestamp = now;
+ fpsi->counter = 0;
+}
+
static const struct drm_plane_funcs ltdc_plane_funcs = {
.update_plane = drm_atomic_helper_update_plane,
.disable_plane = drm_atomic_helper_disable_plane,
@@ -761,6 +782,7 @@ static const struct drm_plane_funcs ltdc_plane_funcs = {
.reset = drm_atomic_helper_plane_reset,
.atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,
.atomic_destroy_state = drm_atomic_helper_plane_destroy_state,
+ .atomic_print_state = ltdc_plane_atomic_print_state,
};
static const struct drm_plane_helper_funcs ltdc_plane_helper_funcs = {
diff --git a/drivers/gpu/drm/stm/ltdc.h b/drivers/gpu/drm/stm/ltdc.h
index 61a80d00bc3b..1e16d6afb0d2 100644
--- a/drivers/gpu/drm/stm/ltdc.h
+++ b/drivers/gpu/drm/stm/ltdc.h
@@ -20,6 +20,13 @@ struct ltdc_caps {
bool non_alpha_only_l1; /* non-native no-alpha formats on layer 1 */
};
+#define LTDC_MAX_LAYER 4
+
+struct fps_info {
+ unsigned int counter;
+ ktime_t last_timestamp;
+};
+
struct ltdc_device {
void __iomem *regs;
struct clk *pixel_clk; /* lcd pixel clock */
@@ -27,6 +34,7 @@ struct ltdc_device {
struct ltdc_caps caps;
u32 error_status;
u32 irq_status;
+ struct fps_info plane_fpsi[LTDC_MAX_LAYER];
};
int ltdc_load(struct drm_device *ddev);
--
2.15.1
^ permalink raw reply related [flat|nested] 6+ messages in thread
* [PATCH] drm/stm: ltdc: add user update info in plane print state
@ 2018-04-07 21:35 ` Philippe Cornu
0 siblings, 0 replies; 6+ messages in thread
From: Philippe Cornu @ 2018-04-07 21:35 UTC (permalink / raw)
To: Yannick Fertre, Philippe Cornu, Benjamin Gaignard,
Vincent Abriou, David Airlie, dri-devel, linux-kernel
Cc: Mickael Reulier, Alexandre Torgue, Fabien Dessenne
This patch adds the user update information in
frames-per-second into the drm debugfs plane state.
Signed-off-by: Philippe Cornu <philippe.cornu@st.com>
---
drivers/gpu/drm/stm/ltdc.c | 22 ++++++++++++++++++++++
drivers/gpu/drm/stm/ltdc.h | 8 ++++++++
2 files changed, 30 insertions(+)
diff --git a/drivers/gpu/drm/stm/ltdc.c b/drivers/gpu/drm/stm/ltdc.c
index 2b745cfc9000..061d2b6e5157 100644
--- a/drivers/gpu/drm/stm/ltdc.c
+++ b/drivers/gpu/drm/stm/ltdc.c
@@ -729,6 +729,8 @@ static void ltdc_plane_atomic_update(struct drm_plane *plane,
reg_update_bits(ldev->regs, LTDC_L1CR + lofs,
LXCR_LEN | LXCR_CLUTEN, val);
+ ldev->plane_fpsi[plane->index].counter++;
+
mutex_lock(&ldev->err_lock);
if (ldev->error_status & ISR_FUIF) {
DRM_DEBUG_DRIVER("Fifo underrun\n");
@@ -754,6 +756,25 @@ static void ltdc_plane_atomic_disable(struct drm_plane *plane,
oldstate->crtc->base.id, plane->base.id);
}
+static void ltdc_plane_atomic_print_state(struct drm_printer *p,
+ const struct drm_plane_state *state)
+{
+ struct drm_plane *plane = state->plane;
+ struct ltdc_device *ldev = plane_to_ltdc(plane);
+ struct fps_info *fpsi = &ldev->plane_fpsi[plane->index];
+ int ms_since_last;
+ ktime_t now;
+
+ now = ktime_get();
+ ms_since_last = ktime_to_ms(ktime_sub(now, fpsi->last_timestamp));
+
+ drm_printf(p, "\tuser_updates=%dfps\n",
+ DIV_ROUND_CLOSEST(fpsi->counter * 1000, ms_since_last));
+
+ fpsi->last_timestamp = now;
+ fpsi->counter = 0;
+}
+
static const struct drm_plane_funcs ltdc_plane_funcs = {
.update_plane = drm_atomic_helper_update_plane,
.disable_plane = drm_atomic_helper_disable_plane,
@@ -761,6 +782,7 @@ static const struct drm_plane_funcs ltdc_plane_funcs = {
.reset = drm_atomic_helper_plane_reset,
.atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,
.atomic_destroy_state = drm_atomic_helper_plane_destroy_state,
+ .atomic_print_state = ltdc_plane_atomic_print_state,
};
static const struct drm_plane_helper_funcs ltdc_plane_helper_funcs = {
diff --git a/drivers/gpu/drm/stm/ltdc.h b/drivers/gpu/drm/stm/ltdc.h
index 61a80d00bc3b..1e16d6afb0d2 100644
--- a/drivers/gpu/drm/stm/ltdc.h
+++ b/drivers/gpu/drm/stm/ltdc.h
@@ -20,6 +20,13 @@ struct ltdc_caps {
bool non_alpha_only_l1; /* non-native no-alpha formats on layer 1 */
};
+#define LTDC_MAX_LAYER 4
+
+struct fps_info {
+ unsigned int counter;
+ ktime_t last_timestamp;
+};
+
struct ltdc_device {
void __iomem *regs;
struct clk *pixel_clk; /* lcd pixel clock */
@@ -27,6 +34,7 @@ struct ltdc_device {
struct ltdc_caps caps;
u32 error_status;
u32 irq_status;
+ struct fps_info plane_fpsi[LTDC_MAX_LAYER];
};
int ltdc_load(struct drm_device *ddev);
--
2.15.1
_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel
^ permalink raw reply related [flat|nested] 6+ messages in thread
* Re: [PATCH] drm/stm: ltdc: add user update info in plane print state
2018-04-07 21:35 ` Philippe Cornu
@ 2018-04-16 9:14 ` Vincent ABRIOU
-1 siblings, 0 replies; 6+ messages in thread
From: Vincent ABRIOU @ 2018-04-16 9:14 UTC (permalink / raw)
To: Philippe CORNU, Yannick FERTRE, Benjamin Gaignard, David Airlie,
dri-devel, linux-kernel
Cc: Fabien DESSENNE, Mickael REULIER, Alexandre TORGUE
Hi Philippe,
Reviewed-by: Vincent Abriou <vincent.abriou@st.com>
On 04/07/2018 11:35 PM, Philippe Cornu wrote:
> This patch adds the user update information in
> frames-per-second into the drm debugfs plane state.
>
> Signed-off-by: Philippe Cornu <philippe.cornu@st.com>
> ---
> drivers/gpu/drm/stm/ltdc.c | 22 ++++++++++++++++++++++
> drivers/gpu/drm/stm/ltdc.h | 8 ++++++++
> 2 files changed, 30 insertions(+)
>
> diff --git a/drivers/gpu/drm/stm/ltdc.c b/drivers/gpu/drm/stm/ltdc.c
> index 2b745cfc9000..061d2b6e5157 100644
> --- a/drivers/gpu/drm/stm/ltdc.c
> +++ b/drivers/gpu/drm/stm/ltdc.c
> @@ -729,6 +729,8 @@ static void ltdc_plane_atomic_update(struct drm_plane *plane,
> reg_update_bits(ldev->regs, LTDC_L1CR + lofs,
> LXCR_LEN | LXCR_CLUTEN, val);
>
> + ldev->plane_fpsi[plane->index].counter++;
> +
> mutex_lock(&ldev->err_lock);
> if (ldev->error_status & ISR_FUIF) {
> DRM_DEBUG_DRIVER("Fifo underrun\n");
> @@ -754,6 +756,25 @@ static void ltdc_plane_atomic_disable(struct drm_plane *plane,
> oldstate->crtc->base.id, plane->base.id);
> }
>
> +static void ltdc_plane_atomic_print_state(struct drm_printer *p,
> + const struct drm_plane_state *state)
> +{
> + struct drm_plane *plane = state->plane;
> + struct ltdc_device *ldev = plane_to_ltdc(plane);
> + struct fps_info *fpsi = &ldev->plane_fpsi[plane->index];
> + int ms_since_last;
> + ktime_t now;
> +
> + now = ktime_get();
> + ms_since_last = ktime_to_ms(ktime_sub(now, fpsi->last_timestamp));
> +
> + drm_printf(p, "\tuser_updates=%dfps\n",
> + DIV_ROUND_CLOSEST(fpsi->counter * 1000, ms_since_last));
> +
> + fpsi->last_timestamp = now;
> + fpsi->counter = 0;
> +}
> +
> static const struct drm_plane_funcs ltdc_plane_funcs = {
> .update_plane = drm_atomic_helper_update_plane,
> .disable_plane = drm_atomic_helper_disable_plane,
> @@ -761,6 +782,7 @@ static const struct drm_plane_funcs ltdc_plane_funcs = {
> .reset = drm_atomic_helper_plane_reset,
> .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,
> .atomic_destroy_state = drm_atomic_helper_plane_destroy_state,
> + .atomic_print_state = ltdc_plane_atomic_print_state,
> };
>
> static const struct drm_plane_helper_funcs ltdc_plane_helper_funcs = {
> diff --git a/drivers/gpu/drm/stm/ltdc.h b/drivers/gpu/drm/stm/ltdc.h
> index 61a80d00bc3b..1e16d6afb0d2 100644
> --- a/drivers/gpu/drm/stm/ltdc.h
> +++ b/drivers/gpu/drm/stm/ltdc.h
> @@ -20,6 +20,13 @@ struct ltdc_caps {
> bool non_alpha_only_l1; /* non-native no-alpha formats on layer 1 */
> };
>
> +#define LTDC_MAX_LAYER 4
> +
> +struct fps_info {
> + unsigned int counter;
> + ktime_t last_timestamp;
> +};
> +
> struct ltdc_device {
> void __iomem *regs;
> struct clk *pixel_clk; /* lcd pixel clock */
> @@ -27,6 +34,7 @@ struct ltdc_device {
> struct ltdc_caps caps;
> u32 error_status;
> u32 irq_status;
> + struct fps_info plane_fpsi[LTDC_MAX_LAYER];
> };
>
> int ltdc_load(struct drm_device *ddev);
>
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [PATCH] drm/stm: ltdc: add user update info in plane print state
@ 2018-04-16 9:14 ` Vincent ABRIOU
0 siblings, 0 replies; 6+ messages in thread
From: Vincent ABRIOU @ 2018-04-16 9:14 UTC (permalink / raw)
To: Philippe CORNU, Yannick FERTRE, Benjamin Gaignard, David Airlie,
dri-devel, linux-kernel
Cc: Mickael REULIER, Alexandre TORGUE, Fabien DESSENNE
Hi Philippe,
Reviewed-by: Vincent Abriou <vincent.abriou@st.com>
On 04/07/2018 11:35 PM, Philippe Cornu wrote:
> This patch adds the user update information in
> frames-per-second into the drm debugfs plane state.
>
> Signed-off-by: Philippe Cornu <philippe.cornu@st.com>
> ---
> drivers/gpu/drm/stm/ltdc.c | 22 ++++++++++++++++++++++
> drivers/gpu/drm/stm/ltdc.h | 8 ++++++++
> 2 files changed, 30 insertions(+)
>
> diff --git a/drivers/gpu/drm/stm/ltdc.c b/drivers/gpu/drm/stm/ltdc.c
> index 2b745cfc9000..061d2b6e5157 100644
> --- a/drivers/gpu/drm/stm/ltdc.c
> +++ b/drivers/gpu/drm/stm/ltdc.c
> @@ -729,6 +729,8 @@ static void ltdc_plane_atomic_update(struct drm_plane *plane,
> reg_update_bits(ldev->regs, LTDC_L1CR + lofs,
> LXCR_LEN | LXCR_CLUTEN, val);
>
> + ldev->plane_fpsi[plane->index].counter++;
> +
> mutex_lock(&ldev->err_lock);
> if (ldev->error_status & ISR_FUIF) {
> DRM_DEBUG_DRIVER("Fifo underrun\n");
> @@ -754,6 +756,25 @@ static void ltdc_plane_atomic_disable(struct drm_plane *plane,
> oldstate->crtc->base.id, plane->base.id);
> }
>
> +static void ltdc_plane_atomic_print_state(struct drm_printer *p,
> + const struct drm_plane_state *state)
> +{
> + struct drm_plane *plane = state->plane;
> + struct ltdc_device *ldev = plane_to_ltdc(plane);
> + struct fps_info *fpsi = &ldev->plane_fpsi[plane->index];
> + int ms_since_last;
> + ktime_t now;
> +
> + now = ktime_get();
> + ms_since_last = ktime_to_ms(ktime_sub(now, fpsi->last_timestamp));
> +
> + drm_printf(p, "\tuser_updates=%dfps\n",
> + DIV_ROUND_CLOSEST(fpsi->counter * 1000, ms_since_last));
> +
> + fpsi->last_timestamp = now;
> + fpsi->counter = 0;
> +}
> +
> static const struct drm_plane_funcs ltdc_plane_funcs = {
> .update_plane = drm_atomic_helper_update_plane,
> .disable_plane = drm_atomic_helper_disable_plane,
> @@ -761,6 +782,7 @@ static const struct drm_plane_funcs ltdc_plane_funcs = {
> .reset = drm_atomic_helper_plane_reset,
> .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,
> .atomic_destroy_state = drm_atomic_helper_plane_destroy_state,
> + .atomic_print_state = ltdc_plane_atomic_print_state,
> };
>
> static const struct drm_plane_helper_funcs ltdc_plane_helper_funcs = {
> diff --git a/drivers/gpu/drm/stm/ltdc.h b/drivers/gpu/drm/stm/ltdc.h
> index 61a80d00bc3b..1e16d6afb0d2 100644
> --- a/drivers/gpu/drm/stm/ltdc.h
> +++ b/drivers/gpu/drm/stm/ltdc.h
> @@ -20,6 +20,13 @@ struct ltdc_caps {
> bool non_alpha_only_l1; /* non-native no-alpha formats on layer 1 */
> };
>
> +#define LTDC_MAX_LAYER 4
> +
> +struct fps_info {
> + unsigned int counter;
> + ktime_t last_timestamp;
> +};
> +
> struct ltdc_device {
> void __iomem *regs;
> struct clk *pixel_clk; /* lcd pixel clock */
> @@ -27,6 +34,7 @@ struct ltdc_device {
> struct ltdc_caps caps;
> u32 error_status;
> u32 irq_status;
> + struct fps_info plane_fpsi[LTDC_MAX_LAYER];
> };
>
> int ltdc_load(struct drm_device *ddev);
>
_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [PATCH] drm/stm: ltdc: add user update info in plane print state
2018-04-16 9:14 ` Vincent ABRIOU
@ 2018-04-19 10:38 ` Philippe CORNU
-1 siblings, 0 replies; 6+ messages in thread
From: Philippe CORNU @ 2018-04-19 10:38 UTC (permalink / raw)
To: Vincent ABRIOU, Yannick FERTRE, Benjamin Gaignard, David Airlie,
dri-devel, linux-kernel
Cc: Fabien DESSENNE, Mickael REULIER, Alexandre TORGUE
Applied on drm-misc-next.
Many thanks,
Philippe :-)
On 04/16/2018 11:14 AM, Vincent ABRIOU wrote:
> Hi Philippe,
>
> Reviewed-by: Vincent Abriou <vincent.abriou@st.com>
>
> On 04/07/2018 11:35 PM, Philippe Cornu wrote:
>> This patch adds the user update information in
>> frames-per-second into the drm debugfs plane state.
>>
>> Signed-off-by: Philippe Cornu <philippe.cornu@st.com>
>> ---
>> drivers/gpu/drm/stm/ltdc.c | 22 ++++++++++++++++++++++
>> drivers/gpu/drm/stm/ltdc.h | 8 ++++++++
>> 2 files changed, 30 insertions(+)
>>
>> diff --git a/drivers/gpu/drm/stm/ltdc.c b/drivers/gpu/drm/stm/ltdc.c
>> index 2b745cfc9000..061d2b6e5157 100644
>> --- a/drivers/gpu/drm/stm/ltdc.c
>> +++ b/drivers/gpu/drm/stm/ltdc.c
>> @@ -729,6 +729,8 @@ static void ltdc_plane_atomic_update(struct drm_plane *plane,
>> reg_update_bits(ldev->regs, LTDC_L1CR + lofs,
>> LXCR_LEN | LXCR_CLUTEN, val);
>>
>> + ldev->plane_fpsi[plane->index].counter++;
>> +
>> mutex_lock(&ldev->err_lock);
>> if (ldev->error_status & ISR_FUIF) {
>> DRM_DEBUG_DRIVER("Fifo underrun\n");
>> @@ -754,6 +756,25 @@ static void ltdc_plane_atomic_disable(struct drm_plane *plane,
>> oldstate->crtc->base.id, plane->base.id);
>> }
>>
>> +static void ltdc_plane_atomic_print_state(struct drm_printer *p,
>> + const struct drm_plane_state *state)
>> +{
>> + struct drm_plane *plane = state->plane;
>> + struct ltdc_device *ldev = plane_to_ltdc(plane);
>> + struct fps_info *fpsi = &ldev->plane_fpsi[plane->index];
>> + int ms_since_last;
>> + ktime_t now;
>> +
>> + now = ktime_get();
>> + ms_since_last = ktime_to_ms(ktime_sub(now, fpsi->last_timestamp));
>> +
>> + drm_printf(p, "\tuser_updates=%dfps\n",
>> + DIV_ROUND_CLOSEST(fpsi->counter * 1000, ms_since_last));
>> +
>> + fpsi->last_timestamp = now;
>> + fpsi->counter = 0;
>> +}
>> +
>> static const struct drm_plane_funcs ltdc_plane_funcs = {
>> .update_plane = drm_atomic_helper_update_plane,
>> .disable_plane = drm_atomic_helper_disable_plane,
>> @@ -761,6 +782,7 @@ static const struct drm_plane_funcs ltdc_plane_funcs = {
>> .reset = drm_atomic_helper_plane_reset,
>> .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,
>> .atomic_destroy_state = drm_atomic_helper_plane_destroy_state,
>> + .atomic_print_state = ltdc_plane_atomic_print_state,
>> };
>>
>> static const struct drm_plane_helper_funcs ltdc_plane_helper_funcs = {
>> diff --git a/drivers/gpu/drm/stm/ltdc.h b/drivers/gpu/drm/stm/ltdc.h
>> index 61a80d00bc3b..1e16d6afb0d2 100644
>> --- a/drivers/gpu/drm/stm/ltdc.h
>> +++ b/drivers/gpu/drm/stm/ltdc.h
>> @@ -20,6 +20,13 @@ struct ltdc_caps {
>> bool non_alpha_only_l1; /* non-native no-alpha formats on layer 1 */
>> };
>>
>> +#define LTDC_MAX_LAYER 4
>> +
>> +struct fps_info {
>> + unsigned int counter;
>> + ktime_t last_timestamp;
>> +};
>> +
>> struct ltdc_device {
>> void __iomem *regs;
>> struct clk *pixel_clk; /* lcd pixel clock */
>> @@ -27,6 +34,7 @@ struct ltdc_device {
>> struct ltdc_caps caps;
>> u32 error_status;
>> u32 irq_status;
>> + struct fps_info plane_fpsi[LTDC_MAX_LAYER];
>> };
>>
>> int ltdc_load(struct drm_device *ddev);
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [PATCH] drm/stm: ltdc: add user update info in plane print state
@ 2018-04-19 10:38 ` Philippe CORNU
0 siblings, 0 replies; 6+ messages in thread
From: Philippe CORNU @ 2018-04-19 10:38 UTC (permalink / raw)
To: Vincent ABRIOU, Yannick FERTRE, Benjamin Gaignard, David Airlie,
dri-devel, linux-kernel
Cc: Mickael REULIER, Alexandre TORGUE, Fabien DESSENNE
Applied on drm-misc-next.
Many thanks,
Philippe :-)
On 04/16/2018 11:14 AM, Vincent ABRIOU wrote:
> Hi Philippe,
>
> Reviewed-by: Vincent Abriou <vincent.abriou@st.com>
>
> On 04/07/2018 11:35 PM, Philippe Cornu wrote:
>> This patch adds the user update information in
>> frames-per-second into the drm debugfs plane state.
>>
>> Signed-off-by: Philippe Cornu <philippe.cornu@st.com>
>> ---
>> drivers/gpu/drm/stm/ltdc.c | 22 ++++++++++++++++++++++
>> drivers/gpu/drm/stm/ltdc.h | 8 ++++++++
>> 2 files changed, 30 insertions(+)
>>
>> diff --git a/drivers/gpu/drm/stm/ltdc.c b/drivers/gpu/drm/stm/ltdc.c
>> index 2b745cfc9000..061d2b6e5157 100644
>> --- a/drivers/gpu/drm/stm/ltdc.c
>> +++ b/drivers/gpu/drm/stm/ltdc.c
>> @@ -729,6 +729,8 @@ static void ltdc_plane_atomic_update(struct drm_plane *plane,
>> reg_update_bits(ldev->regs, LTDC_L1CR + lofs,
>> LXCR_LEN | LXCR_CLUTEN, val);
>>
>> + ldev->plane_fpsi[plane->index].counter++;
>> +
>> mutex_lock(&ldev->err_lock);
>> if (ldev->error_status & ISR_FUIF) {
>> DRM_DEBUG_DRIVER("Fifo underrun\n");
>> @@ -754,6 +756,25 @@ static void ltdc_plane_atomic_disable(struct drm_plane *plane,
>> oldstate->crtc->base.id, plane->base.id);
>> }
>>
>> +static void ltdc_plane_atomic_print_state(struct drm_printer *p,
>> + const struct drm_plane_state *state)
>> +{
>> + struct drm_plane *plane = state->plane;
>> + struct ltdc_device *ldev = plane_to_ltdc(plane);
>> + struct fps_info *fpsi = &ldev->plane_fpsi[plane->index];
>> + int ms_since_last;
>> + ktime_t now;
>> +
>> + now = ktime_get();
>> + ms_since_last = ktime_to_ms(ktime_sub(now, fpsi->last_timestamp));
>> +
>> + drm_printf(p, "\tuser_updates=%dfps\n",
>> + DIV_ROUND_CLOSEST(fpsi->counter * 1000, ms_since_last));
>> +
>> + fpsi->last_timestamp = now;
>> + fpsi->counter = 0;
>> +}
>> +
>> static const struct drm_plane_funcs ltdc_plane_funcs = {
>> .update_plane = drm_atomic_helper_update_plane,
>> .disable_plane = drm_atomic_helper_disable_plane,
>> @@ -761,6 +782,7 @@ static const struct drm_plane_funcs ltdc_plane_funcs = {
>> .reset = drm_atomic_helper_plane_reset,
>> .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,
>> .atomic_destroy_state = drm_atomic_helper_plane_destroy_state,
>> + .atomic_print_state = ltdc_plane_atomic_print_state,
>> };
>>
>> static const struct drm_plane_helper_funcs ltdc_plane_helper_funcs = {
>> diff --git a/drivers/gpu/drm/stm/ltdc.h b/drivers/gpu/drm/stm/ltdc.h
>> index 61a80d00bc3b..1e16d6afb0d2 100644
>> --- a/drivers/gpu/drm/stm/ltdc.h
>> +++ b/drivers/gpu/drm/stm/ltdc.h
>> @@ -20,6 +20,13 @@ struct ltdc_caps {
>> bool non_alpha_only_l1; /* non-native no-alpha formats on layer 1 */
>> };
>>
>> +#define LTDC_MAX_LAYER 4
>> +
>> +struct fps_info {
>> + unsigned int counter;
>> + ktime_t last_timestamp;
>> +};
>> +
>> struct ltdc_device {
>> void __iomem *regs;
>> struct clk *pixel_clk; /* lcd pixel clock */
>> @@ -27,6 +34,7 @@ struct ltdc_device {
>> struct ltdc_caps caps;
>> u32 error_status;
>> u32 irq_status;
>> + struct fps_info plane_fpsi[LTDC_MAX_LAYER];
>> };
>>
>> int ltdc_load(struct drm_device *ddev);
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^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2018-04-19 10:38 UTC | newest]
Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2018-04-07 21:35 [PATCH] drm/stm: ltdc: add user update info in plane print state Philippe Cornu
2018-04-07 21:35 ` Philippe Cornu
2018-04-16 9:14 ` Vincent ABRIOU
2018-04-16 9:14 ` Vincent ABRIOU
2018-04-19 10:38 ` Philippe CORNU
2018-04-19 10:38 ` Philippe CORNU
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