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[RESEND] venus: fix calculating mbps in calculate_inst_freq()

Message ID 1604313097-2178-1-git-send-email-mansur@codeaurora.org (mailing list archive)
State Accepted
Commit b57cf6a0a8894d5e89848e15e8f5e4cf36124aeb
Headers show
Series [RESEND] venus: fix calculating mbps in calculate_inst_freq() | expand

Commit Message

Mansur Alisha Shaik Nov. 2, 2020, 10:31 a.m. UTC
Currently in calculate_inst_freq(), video driver is calculating
macro blocks per frame in stead of macro blocks per second(mpbs).
Which results frequency is always setting to lower frequency (150MB)
as per frequency table for sc7180. Hence the playback is not smooth.

Corrected this by correcting the mbps calculation in calculate_inst_freq().

Signed-off-by: Mansur Alisha Shaik <mansur@codeaurora.org>
---
 drivers/media/platform/qcom/venus/pm_helpers.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Vikash Garodia Nov. 2, 2020, 3:39 p.m. UTC | #1
Hi Mansur,

On 2020-11-02 16:01, Mansur Alisha Shaik wrote:
> Currently in calculate_inst_freq(), video driver is calculating
> macro blocks per frame in stead of macro blocks per second(mpbs).
instead

> Which results frequency is always setting to lower frequency (150MB)
> as per frequency table for sc7180. Hence the playback is not smooth.
150MHz

> 
> Corrected this by correcting the mbps calculation in 
> calculate_inst_freq().
> 
> Signed-off-by: Mansur Alisha Shaik <mansur@codeaurora.org>
> ---
>  drivers/media/platform/qcom/venus/pm_helpers.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/media/platform/qcom/venus/pm_helpers.c
> b/drivers/media/platform/qcom/venus/pm_helpers.c
> index 57877ea..001513f 100644
> --- a/drivers/media/platform/qcom/venus/pm_helpers.c
> +++ b/drivers/media/platform/qcom/venus/pm_helpers.c
> @@ -928,7 +928,7 @@ static unsigned long calculate_inst_freq(struct
> venus_inst *inst,
>  	u32 fps = (u32)inst->fps;
>  	u32 mbs_per_sec;
> 
> -	mbs_per_sec = load_per_instance(inst) / fps;
> +	mbs_per_sec = load_per_instance(inst);

Good find.

Thanks,
Vikash
patchwork-bot+linux-arm-msm@kernel.org Dec. 29, 2020, 8:15 p.m. UTC | #2
Hello:

This patch was applied to qcom/linux.git (refs/heads/for-next):

On Mon,  2 Nov 2020 16:01:37 +0530 you wrote:
> Currently in calculate_inst_freq(), video driver is calculating
> macro blocks per frame in stead of macro blocks per second(mpbs).
> Which results frequency is always setting to lower frequency (150MB)
> as per frequency table for sc7180. Hence the playback is not smooth.
> 
> Corrected this by correcting the mbps calculation in calculate_inst_freq().
> 
> [...]

Here is the summary with links:
  - [RESEND] venus: fix calculating mbps in calculate_inst_freq()
    https://git.kernel.org/qcom/c/b57cf6a0a889

You are awesome, thank you!
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diff mbox series

Patch

diff --git a/drivers/media/platform/qcom/venus/pm_helpers.c b/drivers/media/platform/qcom/venus/pm_helpers.c
index 57877ea..001513f 100644
--- a/drivers/media/platform/qcom/venus/pm_helpers.c
+++ b/drivers/media/platform/qcom/venus/pm_helpers.c
@@ -928,7 +928,7 @@  static unsigned long calculate_inst_freq(struct venus_inst *inst,
 	u32 fps = (u32)inst->fps;
 	u32 mbs_per_sec;
 
-	mbs_per_sec = load_per_instance(inst) / fps;
+	mbs_per_sec = load_per_instance(inst);
 
 	vpp_freq = mbs_per_sec * inst->clk_data.codec_freq_data->vpp_freq;
 	/* 21 / 20 is overhead factor */