On Wed, Mar 11, 2026 at 01:55:06PM +0800, Cunyuan Liu wrote: > Arm China Linlon-D6 is register-compatible with the Mali-D71 display > pipeline for the purpose of basic modesetting. > > On Linlon-D6, the PRODUCT_ID register is located at the same offset as on > Mali-D71 and reports 0x0060. The IP also exposes the same Komeda top-level > block layout expected by the existing d71_identify() probing flow, so we > can reuse the D71 function table to bring up the display engine. > > Signed-off-by: Cunyuan Liu <[email protected]>
Reviewed-by: Liviu Dudau <[email protected]> Best regards, Liviu > --- > drivers/gpu/drm/arm/display/include/malidp_product.h | 1 + > drivers/gpu/drm/arm/display/komeda/d71/d71_dev.c | 1 + > drivers/gpu/drm/arm/display/komeda/komeda_drv.c | 1 + > 3 files changed, 3 insertions(+) > > diff --git a/drivers/gpu/drm/arm/display/include/malidp_product.h > b/drivers/gpu/drm/arm/display/include/malidp_product.h > index 16a8a2c22c42..6f954bcdf40e 100644 > --- a/drivers/gpu/drm/arm/display/include/malidp_product.h > +++ b/drivers/gpu/drm/arm/display/include/malidp_product.h > @@ -20,6 +20,7 @@ > /* Mali-display product IDs */ > #define MALIDP_D71_PRODUCT_ID 0x0071 > #define MALIDP_D32_PRODUCT_ID 0x0032 > +#define LINLONDP_D6_PRODUCT_ID 0x0060 > > union komeda_config_id { > struct { > 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 80973975bfdb..f105e3a2dce2 100644 > --- a/drivers/gpu/drm/arm/display/komeda/d71/d71_dev.c > +++ b/drivers/gpu/drm/arm/display/komeda/d71/d71_dev.c > @@ -628,6 +628,7 @@ d71_identify(u32 __iomem *reg_base, struct > komeda_chip_info *chip) > switch (product_id) { > case MALIDP_D71_PRODUCT_ID: > case MALIDP_D32_PRODUCT_ID: > + case LINLONDP_D6_PRODUCT_ID: > funcs = &d71_chip_funcs; > break; > default: > diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_drv.c > b/drivers/gpu/drm/arm/display/komeda/komeda_drv.c > index 358c1512b087..4bb5f250e95e 100644 > --- a/drivers/gpu/drm/arm/display/komeda/komeda_drv.c > +++ b/drivers/gpu/drm/arm/display/komeda/komeda_drv.c > @@ -104,6 +104,7 @@ static int komeda_platform_probe(struct platform_device > *pdev) > static const struct of_device_id komeda_of_match[] = { > { .compatible = "arm,mali-d71", .data = d71_identify, }, > { .compatible = "arm,mali-d32", .data = d71_identify, }, > + { .compatible = "armchina,linlon-d6", .data = d71_identify, }, > {}, > }; > > -- > 2.53.0 > -- ==================== | I would like to | | fix the world, | | but they're not | | giving me the | \ source code! / --------------- ¯\_(ツ)_/¯
