Re: [PATCH v2 2/2] drm/komeda: Enable new product D32 support
On Thursday, 5 December 2019 08:53:02 GMT james qian wang (Arm Technology
China) wrote:
> On Tue, Dec 03, 2019 at 09:59:57AM +, Mihail Atanassov wrote:
> > On Tuesday, 3 December 2019 06:46:06 GMT james qian wang (Arm Technology
> > China) wrote:
> > > On Mon, Dec 02, 2019 at 11:07:52AM +, Mihail Atanassov wrote:
> > > > On Thursday, 21 November 2019 08:17:45 GMT james qian wang (Arm
> > > > Technology China) wrote:
> > > > > D32 is simple version of D71, the difference is:
> > > > > - Only has one pipeline
> > > > > - Drop the periph block and merge it to GCU
> > > > >
> > > > > v2: Rebase.
> > > > >
> > > > > Signed-off-by: James Qian Wang (Arm Technology China)
> > > > >
> > > > > ---
> > > > > .../drm/arm/display/include/malidp_product.h | 3 +-
> > > > > .../arm/display/komeda/d71/d71_component.c| 2 +-
> > > > > .../gpu/drm/arm/display/komeda/d71/d71_dev.c | 43
> > > > > ---
> > > > > .../gpu/drm/arm/display/komeda/d71/d71_regs.h | 13 ++
> > > > > .../gpu/drm/arm/display/komeda/komeda_drv.c | 1 +
> > > > > 5 files changed, 44 insertions(+), 18 deletions(-)
> > > > >
> > > > > diff --git a/drivers/gpu/drm/arm/display/include/malidp_product.h
> > > > > b/drivers/gpu/drm/arm/display/include/malidp_product.h
> > > > > index 96e2e4016250..dbd3d4765065 100644
> > > > > --- a/drivers/gpu/drm/arm/display/include/malidp_product.h
> > > > > +++ b/drivers/gpu/drm/arm/display/include/malidp_product.h
> > > > > @@ -18,7 +18,8 @@
> > > > > #define MALIDP_CORE_ID_STATUS(__core_id) (((__u32)(__core_id)) &
> > > > > 0xFF)
> > > > >
> > > > > /* Mali-display product IDs */
> > > > > -#define MALIDP_D71_PRODUCT_ID 0x0071
> > > > > +#define MALIDP_D71_PRODUCT_ID0x0071
> > > > > +#define MALIDP_D32_PRODUCT_ID0x0032
> > > > >
> > > > > union komeda_config_id {
> > > > > struct {
> > > > > diff --git a/drivers/gpu/drm/arm/display/komeda/d71/d71_component.c
> > > > > b/drivers/gpu/drm/arm/display/komeda/d71/d71_component.c
> > > > > index 6dadf4413ef3..c7f7e9c545c7 100644
> > > > > --- a/drivers/gpu/drm/arm/display/komeda/d71/d71_component.c
> > > > > +++ b/drivers/gpu/drm/arm/display/komeda/d71/d71_component.c
> > > > > @@ -1274,7 +1274,7 @@ static int d71_timing_ctrlr_init(struct d71_dev
> > > > > *d71,
> > > > >
> > > > > ctrlr = to_ctrlr(c);
> > > > >
> > > > > - ctrlr->supports_dual_link = true;
> > > > > + ctrlr->supports_dual_link = d71->supports_dual_link;
> > > > >
> > > > > return 0;
> > > > > }
> > > > > diff --git a/drivers/gpu/drm/arm/display/komeda/d71/d71_dev.c
> > > > > b/drivers/gpu/drm/arm/display/komeda/d71/d71_dev.c
> > > > > index 9b3bf353b6cc..2d429e310e5b 100644
> > > > > --- a/drivers/gpu/drm/arm/display/komeda/d71/d71_dev.c
> > > > > +++ b/drivers/gpu/drm/arm/display/komeda/d71/d71_dev.c
> > > > > @@ -371,23 +371,33 @@ static int d71_enum_resources(struct komeda_dev
> > > > > *mdev)
> > > > > goto err_cleanup;
> > > > > }
> > > > >
> > > > > - /* probe PERIPH */
> > > > > + /* Only the legacy HW has the periph block, the newer merges
> > > > > the periph
> > > > > + * into GCU
> > > > > + */
> > > > > value = malidp_read32(d71->periph_addr, BLK_BLOCK_INFO);
> > > > > - if (BLOCK_INFO_BLK_TYPE(value) != D71_BLK_TYPE_PERIPH) {
> > > > > - DRM_ERROR("access blk periph but got blk: %d.\n",
> > > > > - BLOCK_INFO_BLK_TYPE(value));
> > > > > - err = -EINVAL;
> > > > > - goto err_cleanup;
> > > > > + if (BLOCK_INFO_BLK_TYPE(value) != D71_BLK_TYPE_PERIPH)
> > > > > + d71->periph_addr = NULL;
> > > > > +
> > > > > + if (d71->periph_addr) {
> > > > > + /* probe PERIPHERAL in legacy HW */
> > > > > + value = malidp_read32(d71->periph_addr,
> > > > > PERIPH_CONFIGURATION_ID);
> > > > > +
> > > > > + d71->max_line_size = value & PERIPH_MAX_LINE_SIZE
> > > > > ? 4096 : 2048;
> > > > > + d71->max_vsize = 4096;
> > > > > + d71->num_rich_layers= value &
> > > > > PERIPH_NUM_RICH_LAYERS ? 2 : 1;
> > > > > + d71->supports_dual_link = !!(value & PERIPH_SPLIT_EN);
> > > > > + d71->integrates_tbu = !!(value & PERIPH_TBU_EN);
> > > > > + } else {
> > > > > + value = malidp_read32(d71->gcu_addr,
> > > > > GCU_CONFIGURATION_ID0);
> > > > > + d71->max_line_size = GCU_MAX_LINE_SIZE(value);
> > > > > + d71->max_vsize = GCU_MAX_NUM_LINES(value);
> > > > > +
> > > > > + value = malidp_read32(d71->gcu_addr,
> > > > > GCU_CONFIGURATION_ID1);
> > > > > + d71->num_rich_layers= GCU_NUM_RICH_LAYERS(value);
> > > > > + d71->supports_dual_link = GCU_DISPLAY_SPLIT_EN(value);
> > > > > + d71->integrates_tbu = GCU_DISPLAY_TBU_EN(value);
> > > > > }
> > > > >
> > > > > -
Re: [PATCH v2 2/2] drm/komeda: Enable new product D32 support
On Tue, Dec 03, 2019 at 09:59:57AM +, Mihail Atanassov wrote:
> On Tuesday, 3 December 2019 06:46:06 GMT james qian wang (Arm Technology
> China) wrote:
> > On Mon, Dec 02, 2019 at 11:07:52AM +, Mihail Atanassov wrote:
> > > On Thursday, 21 November 2019 08:17:45 GMT james qian wang (Arm
> > > Technology China) wrote:
> > > > D32 is simple version of D71, the difference is:
> > > > - Only has one pipeline
> > > > - Drop the periph block and merge it to GCU
> > > >
> > > > v2: Rebase.
> > > >
> > > > Signed-off-by: James Qian Wang (Arm Technology China)
> > > >
> > > > ---
> > > > .../drm/arm/display/include/malidp_product.h | 3 +-
> > > > .../arm/display/komeda/d71/d71_component.c| 2 +-
> > > > .../gpu/drm/arm/display/komeda/d71/d71_dev.c | 43 ---
> > > > .../gpu/drm/arm/display/komeda/d71/d71_regs.h | 13 ++
> > > > .../gpu/drm/arm/display/komeda/komeda_drv.c | 1 +
> > > > 5 files changed, 44 insertions(+), 18 deletions(-)
> > > >
> > > > diff --git a/drivers/gpu/drm/arm/display/include/malidp_product.h
> > > > b/drivers/gpu/drm/arm/display/include/malidp_product.h
> > > > index 96e2e4016250..dbd3d4765065 100644
> > > > --- a/drivers/gpu/drm/arm/display/include/malidp_product.h
> > > > +++ b/drivers/gpu/drm/arm/display/include/malidp_product.h
> > > > @@ -18,7 +18,8 @@
> > > > #define MALIDP_CORE_ID_STATUS(__core_id) (((__u32)(__core_id)) &
> > > > 0xFF)
> > > >
> > > > /* Mali-display product IDs */
> > > > -#define MALIDP_D71_PRODUCT_ID 0x0071
> > > > +#define MALIDP_D71_PRODUCT_ID 0x0071
> > > > +#define MALIDP_D32_PRODUCT_ID 0x0032
> > > >
> > > > union komeda_config_id {
> > > > struct {
> > > > diff --git a/drivers/gpu/drm/arm/display/komeda/d71/d71_component.c
> > > > b/drivers/gpu/drm/arm/display/komeda/d71/d71_component.c
> > > > index 6dadf4413ef3..c7f7e9c545c7 100644
> > > > --- a/drivers/gpu/drm/arm/display/komeda/d71/d71_component.c
> > > > +++ b/drivers/gpu/drm/arm/display/komeda/d71/d71_component.c
> > > > @@ -1274,7 +1274,7 @@ static int d71_timing_ctrlr_init(struct d71_dev
> > > > *d71,
> > > >
> > > > ctrlr = to_ctrlr(c);
> > > >
> > > > - ctrlr->supports_dual_link = true;
> > > > + ctrlr->supports_dual_link = d71->supports_dual_link;
> > > >
> > > > return 0;
> > > > }
> > > > diff --git a/drivers/gpu/drm/arm/display/komeda/d71/d71_dev.c
> > > > b/drivers/gpu/drm/arm/display/komeda/d71/d71_dev.c
> > > > index 9b3bf353b6cc..2d429e310e5b 100644
> > > > --- a/drivers/gpu/drm/arm/display/komeda/d71/d71_dev.c
> > > > +++ b/drivers/gpu/drm/arm/display/komeda/d71/d71_dev.c
> > > > @@ -371,23 +371,33 @@ static int d71_enum_resources(struct komeda_dev
> > > > *mdev)
> > > > goto err_cleanup;
> > > > }
> > > >
> > > > - /* probe PERIPH */
> > > > + /* Only the legacy HW has the periph block, the newer merges
> > > > the periph
> > > > +* into GCU
> > > > +*/
> > > > value = malidp_read32(d71->periph_addr, BLK_BLOCK_INFO);
> > > > - if (BLOCK_INFO_BLK_TYPE(value) != D71_BLK_TYPE_PERIPH) {
> > > > - DRM_ERROR("access blk periph but got blk: %d.\n",
> > > > - BLOCK_INFO_BLK_TYPE(value));
> > > > - err = -EINVAL;
> > > > - goto err_cleanup;
> > > > + if (BLOCK_INFO_BLK_TYPE(value) != D71_BLK_TYPE_PERIPH)
> > > > + d71->periph_addr = NULL;
> > > > +
> > > > + if (d71->periph_addr) {
> > > > + /* probe PERIPHERAL in legacy HW */
> > > > + value = malidp_read32(d71->periph_addr,
> > > > PERIPH_CONFIGURATION_ID);
> > > > +
> > > > + d71->max_line_size = value & PERIPH_MAX_LINE_SIZE
> > > > ? 4096 : 2048;
> > > > + d71->max_vsize = 4096;
> > > > + d71->num_rich_layers= value &
> > > > PERIPH_NUM_RICH_LAYERS ? 2 : 1;
> > > > + d71->supports_dual_link = !!(value & PERIPH_SPLIT_EN);
> > > > + d71->integrates_tbu = !!(value & PERIPH_TBU_EN);
> > > > + } else {
> > > > + value = malidp_read32(d71->gcu_addr,
> > > > GCU_CONFIGURATION_ID0);
> > > > + d71->max_line_size = GCU_MAX_LINE_SIZE(value);
> > > > + d71->max_vsize = GCU_MAX_NUM_LINES(value);
> > > > +
> > > > + value = malidp_read32(d71->gcu_addr,
> > > > GCU_CONFIGURATION_ID1);
> > > > + d71->num_rich_layers= GCU_NUM_RICH_LAYERS(value);
> > > > + d71->supports_dual_link = GCU_DISPLAY_SPLIT_EN(value);
> > > > + d71->integrates_tbu = GCU_DISPLAY_TBU_EN(value);
> > > > }
> > > >
> > > > - value = malidp_read32(d71->periph_addr,
> > > > PERIPH_CONFIGURATION_ID);
> > > > -
> > > > - d71->max_line_size = value & PERIPH_MAX_LINE_SIZE ? 4096 :
> > > > 2048;
> > > > - d71->max_vsize = 4096;
> > > > -
Re: [PATCH v2 2/2] drm/komeda: Enable new product D32 support
On Tuesday, 3 December 2019 06:46:06 GMT james qian wang (Arm Technology China)
wrote:
> On Mon, Dec 02, 2019 at 11:07:52AM +, Mihail Atanassov wrote:
> > On Thursday, 21 November 2019 08:17:45 GMT james qian wang (Arm Technology
> > China) wrote:
> > > D32 is simple version of D71, the difference is:
> > > - Only has one pipeline
> > > - Drop the periph block and merge it to GCU
> > >
> > > v2: Rebase.
> > >
> > > Signed-off-by: James Qian Wang (Arm Technology China)
> > >
> > > ---
> > > .../drm/arm/display/include/malidp_product.h | 3 +-
> > > .../arm/display/komeda/d71/d71_component.c| 2 +-
> > > .../gpu/drm/arm/display/komeda/d71/d71_dev.c | 43 ---
> > > .../gpu/drm/arm/display/komeda/d71/d71_regs.h | 13 ++
> > > .../gpu/drm/arm/display/komeda/komeda_drv.c | 1 +
> > > 5 files changed, 44 insertions(+), 18 deletions(-)
> > >
> > > diff --git a/drivers/gpu/drm/arm/display/include/malidp_product.h
> > > b/drivers/gpu/drm/arm/display/include/malidp_product.h
> > > index 96e2e4016250..dbd3d4765065 100644
> > > --- a/drivers/gpu/drm/arm/display/include/malidp_product.h
> > > +++ b/drivers/gpu/drm/arm/display/include/malidp_product.h
> > > @@ -18,7 +18,8 @@
> > > #define MALIDP_CORE_ID_STATUS(__core_id) (((__u32)(__core_id)) &
> > > 0xFF)
> > >
> > > /* Mali-display product IDs */
> > > -#define MALIDP_D71_PRODUCT_ID 0x0071
> > > +#define MALIDP_D71_PRODUCT_ID0x0071
> > > +#define MALIDP_D32_PRODUCT_ID0x0032
> > >
> > > union komeda_config_id {
> > > struct {
> > > diff --git a/drivers/gpu/drm/arm/display/komeda/d71/d71_component.c
> > > b/drivers/gpu/drm/arm/display/komeda/d71/d71_component.c
> > > index 6dadf4413ef3..c7f7e9c545c7 100644
> > > --- a/drivers/gpu/drm/arm/display/komeda/d71/d71_component.c
> > > +++ b/drivers/gpu/drm/arm/display/komeda/d71/d71_component.c
> > > @@ -1274,7 +1274,7 @@ static int d71_timing_ctrlr_init(struct d71_dev
> > > *d71,
> > >
> > > ctrlr = to_ctrlr(c);
> > >
> > > - ctrlr->supports_dual_link = true;
> > > + ctrlr->supports_dual_link = d71->supports_dual_link;
> > >
> > > return 0;
> > > }
> > > diff --git a/drivers/gpu/drm/arm/display/komeda/d71/d71_dev.c
> > > b/drivers/gpu/drm/arm/display/komeda/d71/d71_dev.c
> > > index 9b3bf353b6cc..2d429e310e5b 100644
> > > --- a/drivers/gpu/drm/arm/display/komeda/d71/d71_dev.c
> > > +++ b/drivers/gpu/drm/arm/display/komeda/d71/d71_dev.c
> > > @@ -371,23 +371,33 @@ static int d71_enum_resources(struct komeda_dev
> > > *mdev)
> > > goto err_cleanup;
> > > }
> > >
> > > - /* probe PERIPH */
> > > + /* Only the legacy HW has the periph block, the newer merges the periph
> > > + * into GCU
> > > + */
> > > value = malidp_read32(d71->periph_addr, BLK_BLOCK_INFO);
> > > - if (BLOCK_INFO_BLK_TYPE(value) != D71_BLK_TYPE_PERIPH) {
> > > - DRM_ERROR("access blk periph but got blk: %d.\n",
> > > - BLOCK_INFO_BLK_TYPE(value));
> > > - err = -EINVAL;
> > > - goto err_cleanup;
> > > + if (BLOCK_INFO_BLK_TYPE(value) != D71_BLK_TYPE_PERIPH)
> > > + d71->periph_addr = NULL;
> > > +
> > > + if (d71->periph_addr) {
> > > + /* probe PERIPHERAL in legacy HW */
> > > + value = malidp_read32(d71->periph_addr,
> > > PERIPH_CONFIGURATION_ID);
> > > +
> > > + d71->max_line_size = value & PERIPH_MAX_LINE_SIZE ? 4096 :
> > > 2048;
> > > + d71->max_vsize = 4096;
> > > + d71->num_rich_layers= value & PERIPH_NUM_RICH_LAYERS ? 2 :
> > > 1;
> > > + d71->supports_dual_link = !!(value & PERIPH_SPLIT_EN);
> > > + d71->integrates_tbu = !!(value & PERIPH_TBU_EN);
> > > + } else {
> > > + value = malidp_read32(d71->gcu_addr, GCU_CONFIGURATION_ID0);
> > > + d71->max_line_size = GCU_MAX_LINE_SIZE(value);
> > > + d71->max_vsize = GCU_MAX_NUM_LINES(value);
> > > +
> > > + value = malidp_read32(d71->gcu_addr, GCU_CONFIGURATION_ID1);
> > > + d71->num_rich_layers= GCU_NUM_RICH_LAYERS(value);
> > > + d71->supports_dual_link = GCU_DISPLAY_SPLIT_EN(value);
> > > + d71->integrates_tbu = GCU_DISPLAY_TBU_EN(value);
> > > }
> > >
> > > - value = malidp_read32(d71->periph_addr, PERIPH_CONFIGURATION_ID);
> > > -
> > > - d71->max_line_size = value & PERIPH_MAX_LINE_SIZE ? 4096 : 2048;
> > > - d71->max_vsize = 4096;
> > > - d71->num_rich_layers= value & PERIPH_NUM_RICH_LAYERS ? 2 : 1;
> > > - d71->supports_dual_link = value & PERIPH_SPLIT_EN ? true : false;
> > > - d71->integrates_tbu = value & PERIPH_TBU_EN ? true : false;
> > > -
> > > for (i = 0; i < d71->num_pipelines; i++) {
> > > pipe = komeda_pipeline_add(mdev, sizeof(struct d71_pipeline),
> > > _pipeline_funcs);
> > > @@ -415,7 +425,7 @@ static int d71_enum_resources(struct komeda_dev *mdev)
> > > }
> > >
> > > /* loop the register blks and
Re: [PATCH v2 2/2] drm/komeda: Enable new product D32 support
On Mon, Dec 02, 2019 at 11:07:52AM +, Mihail Atanassov wrote:
> On Thursday, 21 November 2019 08:17:45 GMT james qian wang (Arm Technology
> China) wrote:
> > D32 is simple version of D71, the difference is:
> > - Only has one pipeline
> > - Drop the periph block and merge it to GCU
> >
> > v2: Rebase.
> >
> > Signed-off-by: James Qian Wang (Arm Technology China)
> >
> > ---
> > .../drm/arm/display/include/malidp_product.h | 3 +-
> > .../arm/display/komeda/d71/d71_component.c| 2 +-
> > .../gpu/drm/arm/display/komeda/d71/d71_dev.c | 43 ---
> > .../gpu/drm/arm/display/komeda/d71/d71_regs.h | 13 ++
> > .../gpu/drm/arm/display/komeda/komeda_drv.c | 1 +
> > 5 files changed, 44 insertions(+), 18 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/arm/display/include/malidp_product.h
> > b/drivers/gpu/drm/arm/display/include/malidp_product.h
> > index 96e2e4016250..dbd3d4765065 100644
> > --- a/drivers/gpu/drm/arm/display/include/malidp_product.h
> > +++ b/drivers/gpu/drm/arm/display/include/malidp_product.h
> > @@ -18,7 +18,8 @@
> > #define MALIDP_CORE_ID_STATUS(__core_id) (((__u32)(__core_id)) & 0xFF)
> >
> > /* Mali-display product IDs */
> > -#define MALIDP_D71_PRODUCT_ID 0x0071
> > +#define MALIDP_D71_PRODUCT_ID 0x0071
> > +#define MALIDP_D32_PRODUCT_ID 0x0032
> >
> > union komeda_config_id {
> > struct {
> > diff --git a/drivers/gpu/drm/arm/display/komeda/d71/d71_component.c
> > b/drivers/gpu/drm/arm/display/komeda/d71/d71_component.c
> > index 6dadf4413ef3..c7f7e9c545c7 100644
> > --- a/drivers/gpu/drm/arm/display/komeda/d71/d71_component.c
> > +++ b/drivers/gpu/drm/arm/display/komeda/d71/d71_component.c
> > @@ -1274,7 +1274,7 @@ static int d71_timing_ctrlr_init(struct d71_dev *d71,
> >
> > ctrlr = to_ctrlr(c);
> >
> > - ctrlr->supports_dual_link = true;
> > + ctrlr->supports_dual_link = d71->supports_dual_link;
> >
> > return 0;
> > }
> > diff --git a/drivers/gpu/drm/arm/display/komeda/d71/d71_dev.c
> > b/drivers/gpu/drm/arm/display/komeda/d71/d71_dev.c
> > index 9b3bf353b6cc..2d429e310e5b 100644
> > --- a/drivers/gpu/drm/arm/display/komeda/d71/d71_dev.c
> > +++ b/drivers/gpu/drm/arm/display/komeda/d71/d71_dev.c
> > @@ -371,23 +371,33 @@ static int d71_enum_resources(struct komeda_dev *mdev)
> > goto err_cleanup;
> > }
> >
> > - /* probe PERIPH */
> > + /* Only the legacy HW has the periph block, the newer merges the periph
> > +* into GCU
> > +*/
> > value = malidp_read32(d71->periph_addr, BLK_BLOCK_INFO);
> > - if (BLOCK_INFO_BLK_TYPE(value) != D71_BLK_TYPE_PERIPH) {
> > - DRM_ERROR("access blk periph but got blk: %d.\n",
> > - BLOCK_INFO_BLK_TYPE(value));
> > - err = -EINVAL;
> > - goto err_cleanup;
> > + if (BLOCK_INFO_BLK_TYPE(value) != D71_BLK_TYPE_PERIPH)
> > + d71->periph_addr = NULL;
> > +
> > + if (d71->periph_addr) {
> > + /* probe PERIPHERAL in legacy HW */
> > + value = malidp_read32(d71->periph_addr,
> > PERIPH_CONFIGURATION_ID);
> > +
> > + d71->max_line_size = value & PERIPH_MAX_LINE_SIZE ? 4096 :
> > 2048;
> > + d71->max_vsize = 4096;
> > + d71->num_rich_layers= value & PERIPH_NUM_RICH_LAYERS ? 2 :
> > 1;
> > + d71->supports_dual_link = !!(value & PERIPH_SPLIT_EN);
> > + d71->integrates_tbu = !!(value & PERIPH_TBU_EN);
> > + } else {
> > + value = malidp_read32(d71->gcu_addr, GCU_CONFIGURATION_ID0);
> > + d71->max_line_size = GCU_MAX_LINE_SIZE(value);
> > + d71->max_vsize = GCU_MAX_NUM_LINES(value);
> > +
> > + value = malidp_read32(d71->gcu_addr, GCU_CONFIGURATION_ID1);
> > + d71->num_rich_layers= GCU_NUM_RICH_LAYERS(value);
> > + d71->supports_dual_link = GCU_DISPLAY_SPLIT_EN(value);
> > + d71->integrates_tbu = GCU_DISPLAY_TBU_EN(value);
> > }
> >
> > - value = malidp_read32(d71->periph_addr, PERIPH_CONFIGURATION_ID);
> > -
> > - d71->max_line_size = value & PERIPH_MAX_LINE_SIZE ? 4096 : 2048;
> > - d71->max_vsize = 4096;
> > - d71->num_rich_layers= value & PERIPH_NUM_RICH_LAYERS ? 2 : 1;
> > - d71->supports_dual_link = value & PERIPH_SPLIT_EN ? true : false;
> > - d71->integrates_tbu = value & PERIPH_TBU_EN ? true : false;
> > -
> > for (i = 0; i < d71->num_pipelines; i++) {
> > pipe = komeda_pipeline_add(mdev, sizeof(struct d71_pipeline),
> >_pipeline_funcs);
> > @@ -415,7 +425,7 @@ static int d71_enum_resources(struct komeda_dev *mdev)
> > }
> >
> > /* loop the register blks and probe */
> > - i = 2; /* exclude GCU and PERIPH */
> > + i = 1; /* exclude GCU */
> > offset = D71_BLOCK_SIZE; /* skip GCU */
> > while (i < d71->num_blocks) {
> > blk_base = mdev->reg_base + (offset >>
Re: [PATCH v2 2/2] drm/komeda: Enable new product D32 support
On Thursday, 21 November 2019 08:17:45 GMT james qian wang (Arm Technology
China) wrote:
> D32 is simple version of D71, the difference is:
> - Only has one pipeline
> - Drop the periph block and merge it to GCU
>
> v2: Rebase.
>
> Signed-off-by: James Qian Wang (Arm Technology China)
>
> ---
> .../drm/arm/display/include/malidp_product.h | 3 +-
> .../arm/display/komeda/d71/d71_component.c| 2 +-
> .../gpu/drm/arm/display/komeda/d71/d71_dev.c | 43 ---
> .../gpu/drm/arm/display/komeda/d71/d71_regs.h | 13 ++
> .../gpu/drm/arm/display/komeda/komeda_drv.c | 1 +
> 5 files changed, 44 insertions(+), 18 deletions(-)
>
> diff --git a/drivers/gpu/drm/arm/display/include/malidp_product.h
> b/drivers/gpu/drm/arm/display/include/malidp_product.h
> index 96e2e4016250..dbd3d4765065 100644
> --- a/drivers/gpu/drm/arm/display/include/malidp_product.h
> +++ b/drivers/gpu/drm/arm/display/include/malidp_product.h
> @@ -18,7 +18,8 @@
> #define MALIDP_CORE_ID_STATUS(__core_id) (((__u32)(__core_id)) & 0xFF)
>
> /* Mali-display product IDs */
> -#define MALIDP_D71_PRODUCT_ID 0x0071
> +#define MALIDP_D71_PRODUCT_ID0x0071
> +#define MALIDP_D32_PRODUCT_ID0x0032
>
> union komeda_config_id {
> struct {
> diff --git a/drivers/gpu/drm/arm/display/komeda/d71/d71_component.c
> b/drivers/gpu/drm/arm/display/komeda/d71/d71_component.c
> index 6dadf4413ef3..c7f7e9c545c7 100644
> --- a/drivers/gpu/drm/arm/display/komeda/d71/d71_component.c
> +++ b/drivers/gpu/drm/arm/display/komeda/d71/d71_component.c
> @@ -1274,7 +1274,7 @@ static int d71_timing_ctrlr_init(struct d71_dev *d71,
>
> ctrlr = to_ctrlr(c);
>
> - ctrlr->supports_dual_link = true;
> + ctrlr->supports_dual_link = d71->supports_dual_link;
>
> return 0;
> }
> diff --git a/drivers/gpu/drm/arm/display/komeda/d71/d71_dev.c
> b/drivers/gpu/drm/arm/display/komeda/d71/d71_dev.c
> index 9b3bf353b6cc..2d429e310e5b 100644
> --- a/drivers/gpu/drm/arm/display/komeda/d71/d71_dev.c
> +++ b/drivers/gpu/drm/arm/display/komeda/d71/d71_dev.c
> @@ -371,23 +371,33 @@ static int d71_enum_resources(struct komeda_dev *mdev)
> goto err_cleanup;
> }
>
> - /* probe PERIPH */
> + /* Only the legacy HW has the periph block, the newer merges the periph
> + * into GCU
> + */
> value = malidp_read32(d71->periph_addr, BLK_BLOCK_INFO);
> - if (BLOCK_INFO_BLK_TYPE(value) != D71_BLK_TYPE_PERIPH) {
> - DRM_ERROR("access blk periph but got blk: %d.\n",
> - BLOCK_INFO_BLK_TYPE(value));
> - err = -EINVAL;
> - goto err_cleanup;
> + if (BLOCK_INFO_BLK_TYPE(value) != D71_BLK_TYPE_PERIPH)
> + d71->periph_addr = NULL;
> +
> + if (d71->periph_addr) {
> + /* probe PERIPHERAL in legacy HW */
> + value = malidp_read32(d71->periph_addr,
> PERIPH_CONFIGURATION_ID);
> +
> + d71->max_line_size = value & PERIPH_MAX_LINE_SIZE ? 4096 :
> 2048;
> + d71->max_vsize = 4096;
> + d71->num_rich_layers= value & PERIPH_NUM_RICH_LAYERS ? 2 :
> 1;
> + d71->supports_dual_link = !!(value & PERIPH_SPLIT_EN);
> + d71->integrates_tbu = !!(value & PERIPH_TBU_EN);
> + } else {
> + value = malidp_read32(d71->gcu_addr, GCU_CONFIGURATION_ID0);
> + d71->max_line_size = GCU_MAX_LINE_SIZE(value);
> + d71->max_vsize = GCU_MAX_NUM_LINES(value);
> +
> + value = malidp_read32(d71->gcu_addr, GCU_CONFIGURATION_ID1);
> + d71->num_rich_layers= GCU_NUM_RICH_LAYERS(value);
> + d71->supports_dual_link = GCU_DISPLAY_SPLIT_EN(value);
> + d71->integrates_tbu = GCU_DISPLAY_TBU_EN(value);
> }
>
> - value = malidp_read32(d71->periph_addr, PERIPH_CONFIGURATION_ID);
> -
> - d71->max_line_size = value & PERIPH_MAX_LINE_SIZE ? 4096 : 2048;
> - d71->max_vsize = 4096;
> - d71->num_rich_layers= value & PERIPH_NUM_RICH_LAYERS ? 2 : 1;
> - d71->supports_dual_link = value & PERIPH_SPLIT_EN ? true : false;
> - d71->integrates_tbu = value & PERIPH_TBU_EN ? true : false;
> -
> for (i = 0; i < d71->num_pipelines; i++) {
> pipe = komeda_pipeline_add(mdev, sizeof(struct d71_pipeline),
> _pipeline_funcs);
> @@ -415,7 +425,7 @@ static int d71_enum_resources(struct komeda_dev *mdev)
> }
>
> /* loop the register blks and probe */
> - i = 2; /* exclude GCU and PERIPH */
> + i = 1; /* exclude GCU */
> offset = D71_BLOCK_SIZE; /* skip GCU */
> while (i < d71->num_blocks) {
> blk_base = mdev->reg_base + (offset >> 2);
> @@ -425,9 +435,9 @@ static int d71_enum_resources(struct komeda_dev *mdev)
> err = d71_probe_block(d71, , blk_base);
> if (err)
>
