Hi Jordan, On 7/17/19 18:53, Jordan Crouse wrote: > The A6XX family of Adreno GPUs use a microcontroller to control the > GPU clock independently. The microcontroller also has the capability > to vote for the bus but doesn't currently do so except for one initial > vote that is hard coded [1]. > > Currently there is no good way to construct a valid TCS command outside > of the inner workings of the QCOM interconnect driver which is something > that will need to be addressed for the next generation of GPU drivers. > > To start the process, this change moves the TCS command macros from the > sdm845 interconnect driver into a soc specific header to make it available > for future efforts into this area. I agree that we should move the TCS macros into tsc.h. There is also a similar macro in drivers/clk/qcom/clk-rpmh.c. Maybe we can replace both with a common one? Thanks, Georgi > > [1] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/drivers/gpu/drm/msm/adreno/a6xx_hfi.c#n219 > > Signed-off-by: Jordan Crouse <jcrouse@xxxxxxxxxxxxxx> > --- > > drivers/interconnect/qcom/sdm845.c | 17 ----------------- > include/soc/qcom/tcs.h | 17 +++++++++++++++++ > 2 files changed, 17 insertions(+), 17 deletions(-) > > diff --git a/drivers/interconnect/qcom/sdm845.c b/drivers/interconnect/qcom/sdm845.c > index 4915b78..79b6f01 100644 > --- a/drivers/interconnect/qcom/sdm845.c > +++ b/drivers/interconnect/qcom/sdm845.c > @@ -20,23 +20,6 @@ > #include <soc/qcom/rpmh.h> > #include <soc/qcom/tcs.h> > > -#define BCM_TCS_CMD_COMMIT_SHFT 30 > -#define BCM_TCS_CMD_COMMIT_MASK 0x40000000 > -#define BCM_TCS_CMD_VALID_SHFT 29 > -#define BCM_TCS_CMD_VALID_MASK 0x20000000 > -#define BCM_TCS_CMD_VOTE_X_SHFT 14 > -#define BCM_TCS_CMD_VOTE_MASK 0x3fff > -#define BCM_TCS_CMD_VOTE_Y_SHFT 0 > -#define BCM_TCS_CMD_VOTE_Y_MASK 0xfffc000 > - > -#define BCM_TCS_CMD(commit, valid, vote_x, vote_y) \ > - (((commit) << BCM_TCS_CMD_COMMIT_SHFT) | \ > - ((valid) << BCM_TCS_CMD_VALID_SHFT) | \ > - ((cpu_to_le32(vote_x) & \ > - BCM_TCS_CMD_VOTE_MASK) << BCM_TCS_CMD_VOTE_X_SHFT) | \ > - ((cpu_to_le32(vote_y) & \ > - BCM_TCS_CMD_VOTE_MASK) << BCM_TCS_CMD_VOTE_Y_SHFT)) > - > #define to_qcom_provider(_provider) \ > container_of(_provider, struct qcom_icc_provider, provider) > > diff --git a/include/soc/qcom/tcs.h b/include/soc/qcom/tcs.h > index 262876a..6012a9e 100644 > --- a/include/soc/qcom/tcs.h > +++ b/include/soc/qcom/tcs.h > @@ -53,4 +53,21 @@ struct tcs_request { > struct tcs_cmd *cmds; > }; > > +#define BCM_TCS_CMD_COMMIT_SHFT 30 > +#define BCM_TCS_CMD_COMMIT_MASK 0x40000000 > +#define BCM_TCS_CMD_VALID_SHFT 29 > +#define BCM_TCS_CMD_VALID_MASK 0x20000000 > +#define BCM_TCS_CMD_VOTE_X_SHFT 14 > +#define BCM_TCS_CMD_VOTE_MASK 0x3fff > +#define BCM_TCS_CMD_VOTE_Y_SHFT 0 > +#define BCM_TCS_CMD_VOTE_Y_MASK 0xfffc000 > + > +#define BCM_TCS_CMD(commit, valid, vote_x, vote_y) \ > + (((commit) << BCM_TCS_CMD_COMMIT_SHFT) | \ > + ((valid) << BCM_TCS_CMD_VALID_SHFT) | \ > + ((cpu_to_le32(vote_x) & \ > + BCM_TCS_CMD_VOTE_MASK) << BCM_TCS_CMD_VOTE_X_SHFT) | \ > + ((cpu_to_le32(vote_y) & \ > + BCM_TCS_CMD_VOTE_MASK) << BCM_TCS_CMD_VOTE_Y_SHFT)) > + > #endif /* __SOC_QCOM_TCS_H__ */ >
