diff mbox series

[5/5] i2c: geni: sdm845: dont perform DMA for the oneplus6

Message ID 20201007174736.292968-6-caleb@connolly.tech (mailing list archive)
State New, archived
Headers show
Series [1/5] drm/panel/oneplus6: Add panel-oneplus6 | expand

Commit Message

Caleb Connolly Oct. 7, 2020, 5:49 p.m. UTC
The OnePlus 6/T has the same issues as the c630 causing a crash when DMA
is used for i2c, so disable it.

https://patchwork.kernel.org/patch/11133827/
Signed-off-by: Caleb Connolly <caleb@connolly.tech>
---
 drivers/i2c/busses/i2c-qcom-geni.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

Comments

Wolfram Sang Oct. 8, 2020, 10:03 a.m. UTC | #1
On Wed, Oct 07, 2020 at 05:49:35PM +0000, Caleb Connolly wrote:
> The OnePlus 6/T has the same issues as the c630 causing a crash when DMA
> is used for i2c, so disable it.
> 
> https://patchwork.kernel.org/patch/11133827/
> Signed-off-by: Caleb Connolly <caleb@connolly.tech>

May I ask for a quick review here, so we can get this into 5.9 if
qcom-geni maintainers agree this is good to go?

> ---
>  drivers/i2c/busses/i2c-qcom-geni.c | 6 ++++--
>  1 file changed, 4 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/i2c/busses/i2c-qcom-geni.c b/drivers/i2c/busses/i2c-qcom-geni.c
> index dead5db3315a..50a0674a6553 100644
> --- a/drivers/i2c/busses/i2c-qcom-geni.c
> +++ b/drivers/i2c/busses/i2c-qcom-geni.c
> @@ -358,7 +358,8 @@ static int geni_i2c_rx_one_msg(struct geni_i2c_dev *gi2c, struct i2c_msg *msg,
>  	struct geni_se *se = &gi2c->se;
>  	size_t len = msg->len;
>  
> -	if (!of_machine_is_compatible("lenovo,yoga-c630"))
> +	if (!of_machine_is_compatible("lenovo,yoga-c630") &&
> +	    !of_machine_is_compatible("oneplus,oneplus6"))
>  		dma_buf = i2c_get_dma_safe_msg_buf(msg, 32);
>  
>  	if (dma_buf)
> @@ -400,7 +401,8 @@ static int geni_i2c_tx_one_msg(struct geni_i2c_dev *gi2c, struct i2c_msg *msg,
>  	struct geni_se *se = &gi2c->se;
>  	size_t len = msg->len;
>  
> -	if (!of_machine_is_compatible("lenovo,yoga-c630"))
> +	if (!of_machine_is_compatible("lenovo,yoga-c630") &&
> +	    !of_machine_is_compatible("oneplus,oneplus6"))
>  		dma_buf = i2c_get_dma_safe_msg_buf(msg, 32);
>  
>  	if (dma_buf)
> -- 
> 2.28.0
> 
>
Caleb Connolly Oct. 8, 2020, 10:46 a.m. UTC | #2
On 2020-10-08 11:03, Wolfram Sang wrote:
> On Wed, Oct 07, 2020 at 05:49:35PM +0000, Caleb Connolly wrote:
>> The OnePlus 6/T has the same issues as the c630 causing a crash when DMA
>> is used for i2c, so disable it.
>>
>> https://patchwork.kernel.org/patch/11133827/
>> Signed-off-by: Caleb Connolly <caleb@connolly.tech>
> May I ask for a quick review here, so we can get this into 5.9 if
> qcom-geni maintainers agree this is good to go?

Sorry it wasn't mentioned in my first message, this patch depends on the 
rest in the series found here: 
https://lore.kernel.org/linux-arm-msm/20201007174736.292968-1-caleb@connolly.tech/#r

>> ---
>>   drivers/i2c/busses/i2c-qcom-geni.c | 6 ++++--
>>   1 file changed, 4 insertions(+), 2 deletions(-)
>>
>> diff --git a/drivers/i2c/busses/i2c-qcom-geni.c b/drivers/i2c/busses/i2c-qcom-geni.c
>> index dead5db3315a..50a0674a6553 100644
>> --- a/drivers/i2c/busses/i2c-qcom-geni.c
>> +++ b/drivers/i2c/busses/i2c-qcom-geni.c
>> @@ -358,7 +358,8 @@ static int geni_i2c_rx_one_msg(struct geni_i2c_dev *gi2c, struct i2c_msg *msg,
>>   	struct geni_se *se = &gi2c->se;
>>   	size_t len = msg->len;
>>   
>> -	if (!of_machine_is_compatible("lenovo,yoga-c630"))
>> +	if (!of_machine_is_compatible("lenovo,yoga-c630") &&
>> +	    !of_machine_is_compatible("oneplus,oneplus6"))
>>   		dma_buf = i2c_get_dma_safe_msg_buf(msg, 32);
>>   
>>   	if (dma_buf)
>> @@ -400,7 +401,8 @@ static int geni_i2c_tx_one_msg(struct geni_i2c_dev *gi2c, struct i2c_msg *msg,
>>   	struct geni_se *se = &gi2c->se;
>>   	size_t len = msg->len;
>>   
>> -	if (!of_machine_is_compatible("lenovo,yoga-c630"))
>> +	if (!of_machine_is_compatible("lenovo,yoga-c630") &&
>> +	    !of_machine_is_compatible("oneplus,oneplus6"))
>>   		dma_buf = i2c_get_dma_safe_msg_buf(msg, 32);
>>   
>>   	if (dma_buf)
>> -- 
>> 2.28.0
>>
>>
Wolfram Sang Oct. 8, 2020, 12:19 p.m. UTC | #3
On Thu, Oct 08, 2020 at 10:46:05AM +0000, Caleb Connolly wrote:
> On 2020-10-08 11:03, Wolfram Sang wrote:
> > On Wed, Oct 07, 2020 at 05:49:35PM +0000, Caleb Connolly wrote:
> >> The OnePlus 6/T has the same issues as the c630 causing a crash when DMA
> >> is used for i2c, so disable it.
> >>
> >> https://patchwork.kernel.org/patch/11133827/
> >> Signed-off-by: Caleb Connolly <caleb@connolly.tech>
> > May I ask for a quick review here, so we can get this into 5.9 if
> > qcom-geni maintainers agree this is good to go?
> 
> Sorry it wasn't mentioned in my first message, this patch depends on the 
> rest in the series found here: 
> https://lore.kernel.org/linux-arm-msm/20201007174736.292968-1-caleb@connolly.tech/#r

Ah, so the device is not upstream yet and there is no hurry. Good to
know. Thanks!
Akash Asthana Oct. 9, 2020, 5:26 a.m. UTC | #4
On 10/7/2020 11:19 PM, Caleb Connolly wrote:
> The OnePlus 6/T has the same issues as the c630 causing a crash when DMA
> is used for i2c, so disable it.
>
> https://patchwork.kernel.org/patch/11133827

Reviewed-by: Akash Asthana <akashast@codeaurora.org>

> Signed-off-by: Caleb Connolly <caleb@connolly.tech>
> ---
>   drivers/i2c/busses/i2c-qcom-geni.c | 6 ++++--
>   1 file changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/i2c/busses/i2c-qcom-geni.c b/drivers/i2c/busses/i2c-qcom-geni.c
> index dead5db3315a..50a0674a6553 100644
> --- a/drivers/i2c/busses/i2c-qcom-geni.c
> +++ b/drivers/i2c/busses/i2c-qcom-geni.c
> @@ -358,7 +358,8 @@ static int geni_i2c_rx_one_msg(struct geni_i2c_dev *gi2c, struct i2c_msg *msg,
>   	struct geni_se *se = &gi2c->se;
>   	size_t len = msg->len;
>   
> -	if (!of_machine_is_compatible("lenovo,yoga-c630"))
> +	if (!of_machine_is_compatible("lenovo,yoga-c630") &&
> +	    !of_machine_is_compatible("oneplus,oneplus6"))
>   		dma_buf = i2c_get_dma_safe_msg_buf(msg, 32);
>   
>   	if (dma_buf)
> @@ -400,7 +401,8 @@ static int geni_i2c_tx_one_msg(struct geni_i2c_dev *gi2c, struct i2c_msg *msg,
>   	struct geni_se *se = &gi2c->se;
>   	size_t len = msg->len;
>   
> -	if (!of_machine_is_compatible("lenovo,yoga-c630"))
> +	if (!of_machine_is_compatible("lenovo,yoga-c630") &&
> +	    !of_machine_is_compatible("oneplus,oneplus6"))
>   		dma_buf = i2c_get_dma_safe_msg_buf(msg, 32);
>   
>   	if (dma_buf)
Wolfram Sang Oct. 9, 2020, 5:58 a.m. UTC | #5
On Fri, Oct 09, 2020 at 10:56:15AM +0530, Akash Asthana wrote:
> On 10/7/2020 11:19 PM, Caleb Connolly wrote:
> > The OnePlus 6/T has the same issues as the c630 causing a crash when DMA
> > is used for i2c, so disable it.
> > 
> > https://patchwork.kernel.org/patch/11133827
> 
> Reviewed-by: Akash Asthana <akashast@codeaurora.org>

Thanks!

Acked-by: Wolfram Sang <wsa@kernel.org>

So, this patch can go in via whatever tree seems apropriate. Let me know
if I should take this patch individually.
Mukesh, Savaliya Oct. 9, 2020, 6:53 a.m. UTC | #6
On 10/8/2020 3:33 PM, Wolfram Sang wrote:
> On Wed, Oct 07, 2020 at 05:49:35PM +0000, Caleb Connolly wrote:
>> The OnePlus 6/T has the same issues as the c630 causing a crash when DMA
>> is used for i2c, so disable it.
>>
>> https://patchwork.kernel.org/patch/11133827/
>> Signed-off-by: Caleb Connolly <caleb@connolly.tech>
Reviewed-by: Mukesh Kumar Savaliya <msavaliy@codeaurora.org>
> May I ask for a quick review here, so we can get this into 5.9 if
> qcom-geni maintainers agree this is good to go?
>
>> ---
>>   drivers/i2c/busses/i2c-qcom-geni.c | 6 ++++--
>>   1 file changed, 4 insertions(+), 2 deletions(-)
>>
>> diff --git a/drivers/i2c/busses/i2c-qcom-geni.c b/drivers/i2c/busses/i2c-qcom-geni.c
>> index dead5db3315a..50a0674a6553 100644
>> --- a/drivers/i2c/busses/i2c-qcom-geni.c
>> +++ b/drivers/i2c/busses/i2c-qcom-geni.c
>> @@ -358,7 +358,8 @@ static int geni_i2c_rx_one_msg(struct geni_i2c_dev *gi2c, struct i2c_msg *msg,
>>   	struct geni_se *se = &gi2c->se;
>>   	size_t len = msg->len;
>>   
>> -	if (!of_machine_is_compatible("lenovo,yoga-c630"))
>> +	if (!of_machine_is_compatible("lenovo,yoga-c630") &&
>> +	    !of_machine_is_compatible("oneplus,oneplus6"))
>>   		dma_buf = i2c_get_dma_safe_msg_buf(msg, 32);
>>   
>>   	if (dma_buf)
>> @@ -400,7 +401,8 @@ static int geni_i2c_tx_one_msg(struct geni_i2c_dev *gi2c, struct i2c_msg *msg,
>>   	struct geni_se *se = &gi2c->se;
>>   	size_t len = msg->len;
>>   
>> -	if (!of_machine_is_compatible("lenovo,yoga-c630"))
>> +	if (!of_machine_is_compatible("lenovo,yoga-c630") &&
>> +	    !of_machine_is_compatible("oneplus,oneplus6"))
>>   		dma_buf = i2c_get_dma_safe_msg_buf(msg, 32);
>>   
>>   	if (dma_buf)
>> -- 
>> 2.28.0
>>
>>
diff mbox series

Patch

diff --git a/drivers/i2c/busses/i2c-qcom-geni.c b/drivers/i2c/busses/i2c-qcom-geni.c
index dead5db3315a..50a0674a6553 100644
--- a/drivers/i2c/busses/i2c-qcom-geni.c
+++ b/drivers/i2c/busses/i2c-qcom-geni.c
@@ -358,7 +358,8 @@  static int geni_i2c_rx_one_msg(struct geni_i2c_dev *gi2c, struct i2c_msg *msg,
 	struct geni_se *se = &gi2c->se;
 	size_t len = msg->len;
 
-	if (!of_machine_is_compatible("lenovo,yoga-c630"))
+	if (!of_machine_is_compatible("lenovo,yoga-c630") &&
+	    !of_machine_is_compatible("oneplus,oneplus6"))
 		dma_buf = i2c_get_dma_safe_msg_buf(msg, 32);
 
 	if (dma_buf)
@@ -400,7 +401,8 @@  static int geni_i2c_tx_one_msg(struct geni_i2c_dev *gi2c, struct i2c_msg *msg,
 	struct geni_se *se = &gi2c->se;
 	size_t len = msg->len;
 
-	if (!of_machine_is_compatible("lenovo,yoga-c630"))
+	if (!of_machine_is_compatible("lenovo,yoga-c630") &&
+	    !of_machine_is_compatible("oneplus,oneplus6"))
 		dma_buf = i2c_get_dma_safe_msg_buf(msg, 32);
 
 	if (dma_buf)